US20040045229A1 - Buiding guide strip - Google Patents
Buiding guide strip Download PDFInfo
- Publication number
- US20040045229A1 US20040045229A1 US10/415,768 US41576803A US2004045229A1 US 20040045229 A1 US20040045229 A1 US 20040045229A1 US 41576803 A US41576803 A US 41576803A US 2004045229 A1 US2004045229 A1 US 2004045229A1
- Authority
- US
- United States
- Prior art keywords
- strip
- guide strip
- guide
- cornice
- render
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/06—Edge-protecting borders
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/30—Safety or protective measures preventing damage to building parts or finishing work during construction against mechanical damage or dirt, e.g. guard covers of stairs
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F19/00—Other details of constructional parts for finishing work on buildings
- E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
- E04F19/04—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings
- E04F19/0436—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings between ceiling and wall
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F19/00—Other details of constructional parts for finishing work on buildings
- E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
- E04F19/04—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings
- E04F19/0459—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings characterised by the fixing method
- E04F19/0477—Plinths fixed by means of adhesive
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/06—Edge-protecting borders
- E04F2013/063—Edge-protecting borders for corners
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
- E06B2001/624—Tightening or covering joints between the border of openings and the frame or between contiguous frames with parts to be embedded in the stucco layer or otherwise linked to this layer
Definitions
- the present invention relates to building and, in particular, to the application of cement, plaster, texture coatings or other renders around window frames and like fittings in a building, and to the installation of cornices and like decorative fittings within a building.
- the support columns or walls adjacent window frames are formed from brickwork, concrete or similar masonry structures which are load bearing.
- a timber or aluminum window frame is secured to the masonry.
- the masonry is then rendered with cement, plaster or the like so as to form a smooth layer of render which hides any irregularities in the masonry. This layer should smoothly abut the window frame.
- the action of smoothing the render often results in render being applied to the window frame itself and/or the window frame being scratched by the tool used in the smoothing process.
- a guide strip to assist in cement rendering around window frames and like openings comprising two longitudinally extending portions joined in side-by-side relationship by a frangible part, one of said portions comprising a base strip to be left in-situ within said render and having a render depth setting lip extending from one side thereof alongside said frangible part, the other of said portions comprising a window frame masking portion, and said strip including connection means to secure said base strip to said frame prior to rendering.
- the masking portion can include a length of pliant sheet which can be temporarily adhered to the window of the window frame.
- the pliant sheet is also provided, it is removed simultaneously with the masking portion.
- FIG. 1 is a transverse cross-sectional view of the guide strip of the first embodiment of the present invention
- FIG. 2 is a perspective view of the strip of FIG. 1,
- FIG. 3 is a schematic perspective view of the guide strip of FIGS. 1 and 2 with the masking portion in the process of being broken away from the base strip,
- FIG. 4 is a schematic perspective view illustrating a masonry column to which a window frame is secured, the guide strip of FIGS. 1 - 3 being secured to the window frame,
- FIG. 5 is a view similar to FIG. 4 but illustrating the rendering process
- FIG. 6 is a view similar to FIG. 5 but illustrating the masking portion being broken away following completion of the rendering and painting
- FIG. 7 is a view similar to FIG. 1 but illustrating a guide strip of a second embodiment
- FIGS. 8 A-C are transverse cross-sectional views of a guide strip of a third embodiment showing the mechanism by which the guide strip attaches to a L-shaped skirting of a window frame
- FIG. 9A is a view similar to FIGS. 8 A-C but illustrating the guide strip of the third embodiment once attached to an elongated block type skirting of a window frame
- FIG. 9B is a view similar to FIG. 9A but showing the guide strip of the third embodiment once attached to a semi-circular type skirting of a window frame,
- FIG. 10 is a view similar to FIG. 1 but illustrating a guide strip of a fourth embodiment
- FIG. 11 is a view similar to FIG. 4 but illustrating a guide strip of the fifth embodiment
- FIG. 12 is a perspective view from the front of a guide strip of a sixth embodiment
- FIG. 13 is a rear perspective view of the guide strip of FIG. 10,
- FIG. 14 is a side elevation of the guide strip of FIGS. 12 and 13,
- FIG. 15 is a perspective view showing the use of the strip of FIGS. 12 - 14 .
- FIG. 16 is a view similar to FIG. 1 but of a guide strip of a seventh embodiment
- FIGS. 17 and 18 are each horizontal cross sections showing an installation including the strip of FIG. 16 after rendering
- FIGS. 19 - 21 are each an end elevation showing the application of the strip of FIG. 1 in relation to cornices.
- the guide strip 1 of the first embodiment is preferably extruded from plastics material and takes the form of a base strip 2 and a window frame masking strip 3 which are arranged longitudinally in side-by-side relationship and joined by a frangible part 4 .
- the base strip 2 is provided with a rendered depth-setting lip 6 which has an outer surface 7 flush with the frangible part 4 .
- the base strip 2 also has a longitudinally extending groove 8 which assists in keying the base strip 2 and the render together. Additionally, the groove 8 can be scored with a knife and the base strip longitudinally snapped. This narrows the base strip 2 for use in those circumstances where a thinner render depth is required. Alteratively, the base strip 2 can be fabricated in different sizes.
- a ribbon 9 of double-sided adhesive On the other side of the base strip 2 from the lip 6 is positioned a ribbon 9 of double-sided adhesive.
- One side of the ribbon 9 adheres to the base strip 2 and, as best seen in FIG. 4, the other side of the ribbon 9 is used to adhere the guide strip 1 to a window frame 12 which has been secured to a masonry column, wall or similar structure 13 .
- the guide strip 1 is adhered to the window frame 12 so that the edge of the base strip 2 remote from the masking strip 3 is substantially flush with the masonry 13 .
- the ribbon 9 can include foam, rubber and like substances. Then the window can give slightly relative to the masonry.
- a layer of cement, plaster or similar render 15 is applied to the masonry 13 and smoothed using an adjustable set square 16 .
- the set square 16 utilises the outer surface 7 of the lip 6 as a guide.
- This guide results in two aims being simultaneously achieved.
- the depth of the render 15 is determined by the distance between the outer surface 7 of the lip 6 and the masonry 13 .
- this distance can be assured to be at least a minimum distance, typically 10 mm.
- the end of the set square 16 is moved over the surface of the masking strip 3 so that the set square 16 does not come into contact with, and thereby scratch, the window frame 12 .
- a wooden trowel can, if desired, be used to provide a desired surface finish on the render 15 .
- the trowel 18 can use the outer surface 7 of the lip 6 and the masking strip 3 as guiding surfaces.
- the render 15 is allowed to set and can then, if desired, be painted to suit the final intended decor of the interior of the building.
- the masking strip 3 prevents any paint from being inadvertently placed on the window frame 12 .
- the masking strip 3 can be broken away from the base strip 2 by rupturing the frangible part 4 . This leaves the base strip 2 embedded against the masonry 13 by the render 15 with only the outer surface 7 of the lip 6 and the broken edge of the frangible part 4 being visible. This portion of the lip 6 forms a narrow bead which provides a high definition boundary between a window frame 12 and the render 15 .
- the visible portion of the lip 6 can constitute either a high contrast boundary or an inconspicuous edge to the render 15 .
- the embedded base strip 2 also acts as a permanent barrier between the window frame 12 and the render and thereby inhibits the corrosion of metallic window frames that can otherwise gradually occur after render has set in direct contact with metallic window frames.
- FIG. 7 illustrates in cross-section alternative guide strip 21 of a second embodiment in which like portions relative to the guide strip 1 of FIGS. 1 - 3 are marked with like numerals.
- the main difference between the guide strip 21 of FIG. 7 and the guide strip 1 of FIG. 1 is that the double-sided adhesive ribbon 19 is not used and instead a U-shaped flange 23 is provided.
- the U-shaped flange 23 opens towards that side of the base strip 2 opposite the lip 6 .
- the U-shaped flange 23 enables the guide strip 21 to be pressed onto the aluminum window frame 12 and held thereon by means of a friction fit.
- the double-sided adhesive ribbon 9 is not required. This results in a stronger keying action between the render and the base strip 2 .
- FIGS. 8 A-C A further alternative guide strip 31 of a third embodiment is shown in FIGS. 8 A-C and is adapted to ensure a secure connection between the guide strip 31 and a window frame 12 having an inwardly projecting L-shaped skirting 25 extending around the outside edge 26 of the window frame 12 .
- This third embodiment depicted in FIGS. 8 A-C, as with all subsequent embodiments described below, is again numbered such that like portions relative to the guide strip 1 of FIGS. 1 - 3 are marked with like numerals.
- the guide strip 31 is provided with a resilient D-shaped flange 27 terminating with a foot 28 that projects away and is acutely angled to the base strip 2 .
- the mouth region 29 of the D-shaped flange 27 is narrower than the width of the skirting 25 .
- the leading face 30 of the foot 28 of the untensioned D-shaped flange 27 is pressed against the skirting 25 .
- the skirting 25 is run along the leading face 30 and pushed past the narrowest portion of the mouth region 29 of the D-shaped flange 27 as illustrated in FIG. 8B, the skirting 25 is captured within the flange 27 and presses against the roof portion 32 of the flange 27 to firmly secure the guide strip 31 to the window frame 12 as seen in FIG. 8C.
- FIG. 9A illustrates that the guide strip 31 can still attach to a window frame 12 bordered by a skirting 35 having a more elongated shape in cross-section by the inner edge 33 that begins the leading face 30 of the foot 28 pressing against the skirting 35 .
- FIG. 9A there are two points of contact between the D-shaped flange 27 and the skirting 25 .
- the force exerted by the tensioned D-shaped flange 27 at its inner edge 33 on the surface of the semicircular type skirting 45 of the window frame 12 as illustrated in FIG. 9B is sufficient to secure the guide strip 31 to the window frame 12 without the need for a second point of contact between the flange 27 and the frame 12 .
- the D-shaped flange 27 of the guide strip 31 can be secured to a window frame 12 having a skirting of any shape or size provided that the skirting is not so wide that the flange 27 cannot be stretched so that the edge 33 of the flange 27 presses against the skirting 45 .
- the particular profile of the flange used to secure any of the above described guide strips to the window frame 12 need not be U-shaped or D-shaped, but instead can be any shape that ensures a secure attachment of the particular guide strip to the frame 12 .
- the flange can be moulded to suit the specific contour exhibited by many commonly shaped skirtings found on window frames to provide a better friction engagement.
- FIG. 10 A fourth embodiment of a guide strip 36 is shown in FIG. 10 which differs from the strip 1 of the first embodiment in that the longitudinally extending groove 8 is replaced with a kink 24 .
- the kink 24 is more effective in keying together the base strip 2 and the render once set since the base strip 2 of the guide strip 41 presents a larger surface area available for contact with the render.
- a wooden window frame 42 is provided with a vertically extending groove 43 .
- the guide strip 41 is provided with a barbed protrusion 44 which is received in the groove 43 as a friction fit to retain the strip 41 relative to the frame 42 .
- the remainder of the strip 41 functions as before.
- FIGS. 12 - 15 A still further embodiment in the form of strip 51 is illustrated in FIGS. 12 - 15 .
- the strip 51 is essentially as illustrated in FIG. 10 but is provided with a length of pliant sheet 52 which is preferably of the same length as the strip 51 and of any suitable width.
- the sheet 52 is preferably formed from flexible PVC sheeting which is inexpensive.
- the sheet 52 is adhered or otherwise attached to the masking strip 3 . Ultrasonic welding, other fusing techniques, double sided adhesive strips, or glues are able to be used.
- the sheet 52 functions as an extension of the masking strip 3 and is preferably held against the glass 53 of the window frame 12 by means of adhesive tape 54 .
- the effect of the sheet 52 is to entirely cover the window frame 12 and an adjacent peripheral region of the glass 53 from all splashes of render, paint etc, and all damage from inadvertent scratching or damage from the tools of workers of all trades on a building site.
- the masking strip 3 can be detached from the strip 51 and the sheet 52 simultaneously detached from the glass 53 .
- a neat finish is created.
- the base strip 2 can be modified to enable firstly the width of the base strip 2 to be adjusted.
- the adjustment preferably takes the form of three longitudinally extending grooves 61 .
- One of the grooves 61 can be scored with a knife and the base strip 2 longitudinally split to a desired width.
- the base strip 2 can be bent into various configurations as illustrated in FIGS. 17 and 18 in order to bridge any gap between the window frame 12 and masonry 13 . This assists in the rendering process by eliminating the need to insert a filler such as paper previously required to avoid render penetrating the wall cavity 60 .
- FIGS. 19 - 21 the building strip also finds application in the fixing of cornices. Where cornices are installed between a plasterboard wall and ceiling, any excess in the material used to secure the cornice to the plasterboard is easily scraped from the plasterboard before the material has set.
- this cornice adhering material 65 is located along each edge of a cornice 66 .
- a guide strip 1 is located on the wall 67 at a predetermined distance below the ceiling 68 . Then the cornice 66 is installed resulting in excess material 65 being deposited on both the ceiling 68 and the guide strip 1 as indicated in FIG. 20.
- the excess material 65 can be cleaned off the ceiling 68 and the strip 1 . Then the masking strip 3 can be broken away from the remainder of the strip 1 to leave a smooth clean edge and an unobtrusive addition to the lower edge of the cornice 66 .
- FIG. 21 illustrates the use of the guide strip 1 in relation to a timber wall panel or timber feature frieze 69 , or the like.
Abstract
There is provided a guide strip (1) to assist in cement rendering around window frames and like openings. The strip (1) is the combination of two longitudinally extending portions (2, 3)joined in side-by-side relationship by a frangible part (4). The base strip (2) being one of these portions, is to be left in-situ within the render and has a render depth setting lip (6) extending from one side thereof alongside the frangible part (4). The window frame masking portion (3), being the remaining portion, can then be longitudinally snapped leaving only the base strip (2) embedded in the render. The strip (1) includes a connection means such as a ribbon 9 of double-sided adhesive to secure the base strip (2) to the window frame (12) prior to rendering.
Description
- The present invention relates to building and, in particular, to the application of cement, plaster, texture coatings or other renders around window frames and like fittings in a building, and to the installation of cornices and like decorative fittings within a building.
- In many buildings the support columns or walls adjacent window frames are formed from brickwork, concrete or similar masonry structures which are load bearing. In order to position a window at its intended location, a timber or aluminum window frame is secured to the masonry. To provide an ascetically pleasing finished appearance, the masonry is then rendered with cement, plaster or the like so as to form a smooth layer of render which hides any irregularities in the masonry. This layer should smoothly abut the window frame. However, the action of smoothing the render often results in render being applied to the window frame itself and/or the window frame being scratched by the tool used in the smoothing process. Furthermore, it is not unknown for some unscrupulous sub-contractors to provide a very thin rendered layer which subsequently breaks because it is insufficiently strong.
- In addition to the rendering process described above being time-consuming and requiring relatively highly skilled, and therefore relatively well paid, tradesmen, there is often a very substantial cleanup required after the render has been applied. For example, render which has adhered to the window frame or window must be removed from the window frame or window. This often results in the window frame being scratched. Such scratches, or other scratches during the application of the render, often require the window frame to be touched up or repainted.
- Furthermore, the render itself is normally painted once it is dried and this requires either great care on the part of the painter so as not to inadvertently apply paint to the window frame, or considerable time must be spent in masking the window frame prior to the application of the paint.
- It is the object of the present invention to seek to reduce, or at least ameliorate, the abovementioned disadvantages by the provision of both a guide strip to assist in cement rendering around window frames and like openings, and also the provision of a method of cement rendering around window frames and like openings of a building.
- It is a further object of the present invention to assist in and reduce the time required for the installation of cornices and like decorative fittings in a building.
- In accordance with a first aspect of the present invention there is disclosed a guide strip to assist in cement rendering around window frames and like openings, said strip comprising two longitudinally extending portions joined in side-by-side relationship by a frangible part, one of said portions comprising a base strip to be left in-situ within said render and having a render depth setting lip extending from one side thereof alongside said frangible part, the other of said portions comprising a window frame masking portion, and said strip including connection means to secure said base strip to said frame prior to rendering.
- If desired, the masking portion can include a length of pliant sheet which can be temporarily adhered to the window of the window frame.
- In accordance with a second aspect of the present invention there is disclosed a method of cement rendering around window frames and like openings of a building having a wall to which said frame is secured; said method comprising the steps of:
- (a) securing the above defined guide strip to the frame with the depth setting lip extending away from the frame,
- (b) applying render to the wall adjacent the guide strip,
- (c) smoothing said render to be flush with the depth setting lip, and
- (d) breaking the frangible part to remove the masking portion of the guide.
- Preferably, where the pliant sheet is also provided, it is removed simultaneously with the masking portion.
- In accordance with a third aspect of the present invention there is disclosed a method of installing cornices, particularly between a ceiling and a wall formed from face bricks, timber panels or the like, said method including the steps of:
- (a) securing the above defined guide strip to said wall with the depth setting lip extending away from said wall and at a location on said wall that allows said lip to abut said cornice once said cornice is secured,
- (b) applying cornice fixing material either to said cornice or to regions on said ceiling and the base strip of said guide strip to which said cornice is to be adhered,
- (c) securing said cornice to said ceiling and said base strip such that said cornice abuts said lip of said guide strip,
- (d) removing excess cornice fixing material from said ceiling and said guide strip, and
- (e) breaking the frangible part to remove the masking portion of the guide.
- Several embodiments of the present invention will now be described with reference to the drawings in which:
- FIG. 1 is a transverse cross-sectional view of the guide strip of the first embodiment of the present invention;
- FIG. 2 is a perspective view of the strip of FIG. 1,
- FIG. 3 is a schematic perspective view of the guide strip of FIGS. 1 and 2 with the masking portion in the process of being broken away from the base strip,
- FIG. 4 is a schematic perspective view illustrating a masonry column to which a window frame is secured, the guide strip of FIGS.1-3 being secured to the window frame,
- FIG. 5 is a view similar to FIG. 4 but illustrating the rendering process,
- FIG. 6 is a view similar to FIG. 5 but illustrating the masking portion being broken away following completion of the rendering and painting,
- FIG. 7 is a view similar to FIG. 1 but illustrating a guide strip of a second embodiment,
- FIGS.8A-C are transverse cross-sectional views of a guide strip of a third embodiment showing the mechanism by which the guide strip attaches to a L-shaped skirting of a window frame,
- FIG. 9A is a view similar to FIGS.8A-C but illustrating the guide strip of the third embodiment once attached to an elongated block type skirting of a window frame,
- FIG. 9B is a view similar to FIG. 9A but showing the guide strip of the third embodiment once attached to a semi-circular type skirting of a window frame,
- FIG. 10 is a view similar to FIG. 1 but illustrating a guide strip of a fourth embodiment,
- FIG. 11 is a view similar to FIG. 4 but illustrating a guide strip of the fifth embodiment,
- FIG. 12 is a perspective view from the front of a guide strip of a sixth embodiment,
- FIG. 13 is a rear perspective view of the guide strip of FIG. 10,
- FIG. 14 is a side elevation of the guide strip of FIGS. 12 and 13,
- FIG. 15 is a perspective view showing the use of the strip of FIGS.12-14,
- FIG. 16 is a view similar to FIG. 1 but of a guide strip of a seventh embodiment,
- FIGS. 17 and 18 are each horizontal cross sections showing an installation including the strip of FIG. 16 after rendering, and
- FIGS.19-21 are each an end elevation showing the application of the strip of FIG. 1 in relation to cornices.
- As seen in FIGS.1-3, the guide strip 1 of the first embodiment is preferably extruded from plastics material and takes the form of a
base strip 2 and a windowframe masking strip 3 which are arranged longitudinally in side-by-side relationship and joined by afrangible part 4. - The
base strip 2 is provided with a rendered depth-setting lip 6 which has anouter surface 7 flush with thefrangible part 4. Thebase strip 2 also has a longitudinally extendinggroove 8 which assists in keying thebase strip 2 and the render together. Additionally, thegroove 8 can be scored with a knife and the base strip longitudinally snapped. This narrows thebase strip 2 for use in those circumstances where a thinner render depth is required. Alteratively, thebase strip 2 can be fabricated in different sizes. - On the other side of the
base strip 2 from thelip 6 is positioned aribbon 9 of double-sided adhesive. One side of theribbon 9 adheres to thebase strip 2 and, as best seen in FIG. 4, the other side of theribbon 9 is used to adhere the guide strip 1 to awindow frame 12 which has been secured to a masonry column, wall orsimilar structure 13. As seen in FIG. 4 the guide strip 1 is adhered to thewindow frame 12 so that the edge of thebase strip 2 remote from the maskingstrip 3 is substantially flush with themasonry 13. In situatio is where some movement is anticipated (eg high rise buildings), theribbon 9 can include foam, rubber and like substances. Then the window can give slightly relative to the masonry. - Thereafter, as best seen in FIG. 5 a layer of cement, plaster or similar render15 is applied to the
masonry 13 and smoothed using anadjustable set square 16. As seen in FIG. 5, theset square 16 utilises theouter surface 7 of thelip 6 as a guide. This guide results in two aims being simultaneously achieved. Firstly, the depth of the render 15 is determined by the distance between theouter surface 7 of thelip 6 and themasonry 13. Thus, this distance can be assured to be at least a minimum distance, typically 10 mm. In addition, the end of theset square 16 is moved over the surface of themasking strip 3 so that theset square 16 does not come into contact with, and thereby scratch, thewindow frame 12. As schematically illustrated in FIG. 5, a wooden trowel can, if desired, be used to provide a desired surface finish on the render 15. Again, thetrowel 18 can use theouter surface 7 of thelip 6 and themasking strip 3 as guiding surfaces. - After the final condition of the render15 has been achieved, the render 15 is allowed to set and can then, if desired, be painted to suit the final intended decor of the interior of the building. During the painting procedure, the masking
strip 3 prevents any paint from being inadvertently placed on thewindow frame 12. Once the paint has dried, as schematically illustrated in FIG. 6 themasking strip 3 can be broken away from thebase strip 2 by rupturing thefrangible part 4. This leaves thebase strip 2 embedded against themasonry 13 by the render 15 with only theouter surface 7 of thelip 6 and the broken edge of thefrangible part 4 being visible. This portion of thelip 6 forms a narrow bead which provides a high definition boundary between awindow frame 12 and the render 15. Depending upon the colour used in the fabrication of the guide strip 1 and the colours of thewindow frame 12 and paint used to cover the render 15, the visible portion of thelip 6 can constitute either a high contrast boundary or an inconspicuous edge to the render 15. The embeddedbase strip 2 also acts as a permanent barrier between thewindow frame 12 and the render and thereby inhibits the corrosion of metallic window frames that can otherwise gradually occur after render has set in direct contact with metallic window frames. - FIG. 7 illustrates in cross-section
alternative guide strip 21 of a second embodiment in which like portions relative to the guide strip 1 of FIGS. 1-3 are marked with like numerals. The main difference between theguide strip 21 of FIG. 7 and the guide strip 1 of FIG. 1 is that the double-sided adhesive ribbon 19 is not used and instead aU-shaped flange 23 is provided. TheU-shaped flange 23 opens towards that side of thebase strip 2 opposite thelip 6. TheU-shaped flange 23 enables theguide strip 21 to be pressed onto thealuminum window frame 12 and held thereon by means of a friction fit. Thus the double-sidedadhesive ribbon 9 is not required. This results in a stronger keying action between the render and thebase strip 2. - However, as many aluminum window frames are often bordered by skirting extending around the outside and inside edges of the window frame, the
U-shaped flange 23 may not be of a size and shape that facilitates a secure friction fit. A furtheralternative guide strip 31 of a third embodiment is shown in FIGS. 8A-C and is adapted to ensure a secure connection between theguide strip 31 and awindow frame 12 having an inwardly projecting L-shapedskirting 25 extending around theoutside edge 26 of thewindow frame 12. This third embodiment depicted in FIGS. 8A-C, as with all subsequent embodiments described below, is again numbered such that like portions relative to the guide strip 1 of FIGS. 1-3 are marked with like numerals. To replace theU-shaped flange 23 of the first embodiment, theguide strip 31 is provided with a resilient D-shapedflange 27 terminating with afoot 28 that projects away and is acutely angled to thebase strip 2. Themouth region 29 of the D-shapedflange 27 is narrower than the width of the skirting 25. - Once the
guide strip 31 is positioned against thewindow frame 12 as seen in FIG. 8A, the leadingface 30 of thefoot 28 of the untensioned D-shapedflange 27 is pressed against the skirting 25. When the skirting 25 is run along the leadingface 30 and pushed past the narrowest portion of themouth region 29 of the D-shapedflange 27 as illustrated in FIG. 8B, the skirting 25 is captured within theflange 27 and presses against theroof portion 32 of theflange 27 to firmly secure theguide strip 31 to thewindow frame 12 as seen in FIG. 8C. - FIG. 9A illustrates that the
guide strip 31 can still attach to awindow frame 12 bordered by a skirting 35 having a more elongated shape in cross-section by theinner edge 33 that begins the leadingface 30 of thefoot 28 pressing against the skirting 35. In FIG. 9A, there are two points of contact between the D-shapedflange 27 and the skirting 25. However, the force exerted by the tensioned D-shapedflange 27 at itsinner edge 33 on the surface of the semicircular type skirting 45 of thewindow frame 12 as illustrated in FIG. 9B is sufficient to secure theguide strip 31 to thewindow frame 12 without the need for a second point of contact between theflange 27 and theframe 12. - The D-shaped
flange 27 of theguide strip 31 can be secured to awindow frame 12 having a skirting of any shape or size provided that the skirting is not so wide that theflange 27 cannot be stretched so that theedge 33 of theflange 27 presses against the skirting 45. Similarly, the particular profile of the flange used to secure any of the above described guide strips to thewindow frame 12 need not be U-shaped or D-shaped, but instead can be any shape that ensures a secure attachment of the particular guide strip to theframe 12. Further, the flange can be moulded to suit the specific contour exhibited by many commonly shaped skirtings found on window frames to provide a better friction engagement. - A fourth embodiment of a
guide strip 36 is shown in FIG. 10 which differs from the strip 1 of the first embodiment in that thelongitudinally extending groove 8 is replaced with akink 24. Thekink 24 is more effective in keying together thebase strip 2 and the render once set since thebase strip 2 of theguide strip 41 presents a larger surface area available for contact with the render. - Turning now to FIG. 11, here a
wooden window frame 42 is provided with a vertically extendinggroove 43. Theguide strip 41 is provided with abarbed protrusion 44 which is received in thegroove 43 as a friction fit to retain thestrip 41 relative to theframe 42. The remainder of thestrip 41 functions as before. - A still further embodiment in the form of
strip 51 is illustrated in FIGS. 12-15. Thestrip 51 is essentially as illustrated in FIG. 10 but is provided with a length ofpliant sheet 52 which is preferably of the same length as thestrip 51 and of any suitable width. Thesheet 52 is preferably formed from flexible PVC sheeting which is inexpensive. Thesheet 52 is adhered or otherwise attached to themasking strip 3. Ultrasonic welding, other fusing techniques, double sided adhesive strips, or glues are able to be used. Thesheet 52 functions as an extension of themasking strip 3 and is preferably held against theglass 53 of thewindow frame 12 by means ofadhesive tape 54. - The effect of the
sheet 52 is to entirely cover thewindow frame 12 and an adjacent peripheral region of theglass 53 from all splashes of render, paint etc, and all damage from inadvertent scratching or damage from the tools of workers of all trades on a building site. After all actions such as rendering and painting have been completed, the maskingstrip 3 can be detached from thestrip 51 and thesheet 52 simultaneously detached from theglass 53. Thus a neat finish is created. - As illustrated in FIGS.16-18, the
base strip 2 can be modified to enable firstly the width of thebase strip 2 to be adjusted. As seen in FIG. 16, the adjustment preferably takes the form of three longitudinally extendinggrooves 61. One of thegrooves 61 can be scored with a knife and thebase strip 2 longitudinally split to a desired width. - Secondly, the
base strip 2 can be bent into various configurations as illustrated in FIGS. 17 and 18 in order to bridge any gap between thewindow frame 12 andmasonry 13. This assists in the rendering process by eliminating the need to insert a filler such as paper previously required to avoid render penetrating thewall cavity 60. - Turning now to FIGS.19-21, the building strip also finds application in the fixing of cornices. Where cornices are installed between a plasterboard wall and ceiling, any excess in the material used to secure the cornice to the plasterboard is easily scraped from the plasterboard before the material has set.
- However, where the wall is formed from face bricks, timber panels and the like, removal of the excess material is an extremely difficult job—particularly if the wall material is somewhat porous.
- As indicated in FIG. 19, this
cornice adhering material 65 is located along each edge of acornice 66. A guide strip 1 is located on thewall 67 at a predetermined distance below theceiling 68. Then thecornice 66 is installed resulting inexcess material 65 being deposited on both theceiling 68 and the guide strip 1 as indicated in FIG. 20. - As indicated in FIG. 21, the
excess material 65 can be cleaned off theceiling 68 and the strip 1. Then the maskingstrip 3 can be broken away from the remainder of the strip 1 to leave a smooth clean edge and an unobtrusive addition to the lower edge of thecornice 66. - The right hand portion of FIG. 21 illustrates the use of the guide strip1 in relation to a timber wall panel or
timber feature frieze 69, or the like. - The foregoing describes only some embodiments of the present invention and modifications, obvious to those skilled in the art, can be made thereto without departing from the scope of the present invention For example, although the guide strip of the various embodiments described above finds particular application to the sides of window frames, the invention is also applicable to the frames of prefabricated doors. The invention is particularly useful with texture finishes which have required window frames, etc. to be masked a first time, the finish applied, the first masking removed and then a second masking applied to permit the set finish to be painted. With the present guide strip, both masking tasks are eliminated.
- The term “comprising” as used herein is used in the inclusive sense of “having” or “including” and not in the exclusive sense of “consisting only of”.
Claims (12)
1. A guide strip to assist in cement rendering around window frames and like openings, said strip comprising two longitudinally extending portions joined in side-by-side relationship by a frangible part, one of said portions comprising a base strip to be left in-situ within said render and having a render depth setting lip extending from one side thereof alongside said frangible part, the other of said portions comprising a window frame masking portion, and said strip including connection means to secure said base strip to said frame prior to rendering.
2. The guide strip according to claim 1 wherein said connection means comprises a length of double-sided adhesive ribbon adhered by one side thereof to said base strip and having the other side thereof able to be secured to said frame.
3. The guide strip according to claim 1 wherein said connection means comprises a U-shaped flange extending along the edge of said base strip opposite said depth setting lip, said U-shaped flange opening towards the side of said base strip opposite to that from which said depth setting lip extends.
4. The guide strip according to claim 1 wherein said connection means comprises a resilient longitudinally extending hook opening towards the side of said base strip opposite to that from which said depth setting lip extends.
5. The guide strip according to claim I wherein said connection means comprises a barbed protrusion outwardly extending from the opposite surface of said base strip from which said depth setting lip extends.
6. The guide strip according to any one of the preceding claims wherein said base strip contains at least one groove.
7. The guide strip according to any one of the preceding claims wherein said base strip contains at least one kink.
8. The guide strip according to any one of the preceding claims wherein said window frame masking portion has a pliant cover sheet.
9. The guide strip according to any one of the preceding claims wherein said guide strip is used for the installation of cornices and like decorative fittings.
10. A method of cement rendering around window frames and like openings of a building having a wall to which said frame is secured; said method comprising the steps of:
(a) securing the above defined guide strip to said frame with the depth setting lip extending away from the frame,
(b) applying render to said wall adjacent the guide strip,
(c) smoothing said render to be flush with the depth setting lip, and
(d) breaking the frangible part to remove the masking portion of the guide.
11. The method according to claim 10 including the further step of:
(a) adjusting the width and/or configuration of said base strip.
12. A method of fixing cornices, particularly between a ceiling and a wall formed from face bricks, timber panels or the like, said method including the steps of:
(a) securing the above defined guide strip to said wall with the depth setting lip extending away from said wall and at a location on said wall that allows said lip to abut said cornice once said cornice is secured,
(b) applying cornice fixing material either to said cornice or to regions on said ceiling and the base strip of said guide strip to which said cornice is to be adhered,
(c) securing said cornice to said ceiling and said base strip such that said cornice abuts said lip of said guide strip,
(d) removing excess cornice fixing material from said ceiling and said guide strip, and
(e) breaking the frangible part to remove the masking portion of the guide.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPR1215A AUPR121500A0 (en) | 2000-11-03 | 2000-11-03 | A building guide strip |
AUPR1215 | 2000-11-03 | ||
AUPR5413 | 2001-06-01 | ||
AUPR5413A AUPR541301A0 (en) | 2001-06-01 | 2001-06-01 | A building guide strip |
PCT/AU2001/001413 WO2002036901A1 (en) | 2000-11-03 | 2001-11-02 | A buiding guide strip |
Publications (1)
Publication Number | Publication Date |
---|---|
US20040045229A1 true US20040045229A1 (en) | 2004-03-11 |
Family
ID=25646496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/415,768 Abandoned US20040045229A1 (en) | 2000-11-03 | 2001-11-02 | Buiding guide strip |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040045229A1 (en) |
EP (1) | EP1339929A1 (en) |
AU (1) | AU1479102A (en) |
NZ (1) | NZ526046A (en) |
WO (1) | WO2002036901A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050286979A1 (en) * | 2002-10-23 | 2005-12-29 | The Engineering Business Limited | Mounting of offshore structures |
US20070107355A1 (en) * | 2003-11-24 | 2007-05-17 | Campbell Phillip R | Window shroud system |
US20130048230A1 (en) * | 2011-08-22 | 2013-02-28 | Mario M. Marocco | Window edge space filler and window covering |
USD899632S1 (en) * | 2019-02-18 | 2020-10-20 | Infinity Retractable Screens Pty Ltd | Extrusion |
CN113047580A (en) * | 2021-04-21 | 2021-06-29 | 广东鑫泰洋实业有限公司 | Intelligent plastering machine for building outer wall |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070186500A1 (en) * | 2003-12-09 | 2007-08-16 | Peter Quirk | Flashing |
GB2416183A (en) * | 2004-07-14 | 2006-01-18 | Tony Temple | Plasterer's tool for use in rendering reveals |
GB201520704D0 (en) * | 2015-11-24 | 2016-01-06 | Foster Kenny | Construction panel packaging |
GB2552038A (en) * | 2015-11-24 | 2018-01-10 | Foster Kenny | Construction panel packaging |
US20230383543A1 (en) * | 2021-10-07 | 2023-11-30 | Alexander Lorenz | Flood Resistant Wall |
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2001
- 2001-11-02 WO PCT/AU2001/001413 patent/WO2002036901A1/en active IP Right Grant
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- 2001-11-02 EP EP01983278A patent/EP1339929A1/en not_active Withdrawn
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- 2001-11-02 US US10/415,768 patent/US20040045229A1/en not_active Abandoned
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050286979A1 (en) * | 2002-10-23 | 2005-12-29 | The Engineering Business Limited | Mounting of offshore structures |
US20070107355A1 (en) * | 2003-11-24 | 2007-05-17 | Campbell Phillip R | Window shroud system |
US20130048230A1 (en) * | 2011-08-22 | 2013-02-28 | Mario M. Marocco | Window edge space filler and window covering |
US9027626B2 (en) * | 2011-08-22 | 2015-05-12 | Maxxmar Inc. | Window edge space filler and window covering |
USD899632S1 (en) * | 2019-02-18 | 2020-10-20 | Infinity Retractable Screens Pty Ltd | Extrusion |
CN113047580A (en) * | 2021-04-21 | 2021-06-29 | 广东鑫泰洋实业有限公司 | Intelligent plastering machine for building outer wall |
Also Published As
Publication number | Publication date |
---|---|
NZ526046A (en) | 2003-11-28 |
WO2002036901A1 (en) | 2002-05-10 |
AU1479102A (en) | 2002-05-15 |
EP1339929A1 (en) | 2003-09-03 |
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Legal Events
Date | Code | Title | Description |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |