NZ624380B - An Improved Flashing and Joiner for Window Installations - Google Patents
An Improved Flashing and Joiner for Window InstallationsInfo
- Publication number
- NZ624380B NZ624380B NZ624380A NZ62438014A NZ624380B NZ 624380 B NZ624380 B NZ 624380B NZ 624380 A NZ624380 A NZ 624380A NZ 62438014 A NZ62438014 A NZ 62438014A NZ 624380 B NZ624380 B NZ 624380B
- Authority
- NZ
- New Zealand
- Prior art keywords
- flashing
- window
- window frame
- frame
- joiner
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims abstract description 8
- 235000015895 biscuits Nutrition 0.000 claims description 11
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract description 25
- 238000009833 condensation Methods 0.000 abstract description 9
- 230000005494 condensation Effects 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 238000005755 formation reaction Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 description 8
- 210000002414 Leg Anatomy 0.000 description 5
- 239000000565 sealant Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000000282 Nails Anatomy 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000002542 deteriorative Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003116 impacting Effects 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- E06B1/02—Base frames, i.e. template frames for openings in walls or the like, provided with means for securing a further rigidly-mounted frame; Special adaptations of frames to be fixed therein
-
- 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
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/34—Coverings, e.g. protecting against weather, for decorative purposes
- E06B1/342—Reveal covering members disposed alongside of a window frame
-
- 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
- E06B1/68—Tightening or covering joints between the border of openings and the frame or between contiguous frames by profiled external parts
-
- 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
- E06B1/70—Sills; Thresholds
- E06B1/702—Window sills
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/9616—Corner joints or edge joints for windows, doors, or the like frames or wings characterised by the sealing at the junction of the frame members
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/9632—Corner joints or edge joints for windows, doors, or the like frames or wings between a jamb and the threshold or sill of window or door frames
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
- E06B3/9641—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces part of which remains visible
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
- E06B3/9647—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces the connecting piece being part of or otherwise linked to the window or door fittings
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
- E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
- E06B3/9684—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members by hooking protrusions on the connecting piece in openings of the frame member, e.g. by snap-locking
-
- 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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/14—Measures for draining-off condensed water or water leaking-in frame members for draining off condensation water, throats at the bottom of a sash
Abstract
flashing(2) and a frame comprised of a number of lengths of the flashing, for use in the installation of building openings such as window frames are disclosed. Window frames are set into the building framework and usually the cladding butts up against the window frame. Given the myriad of cladding types and building construction styles the junction between the window frame and the cladding is often problematic since it varies depending on the type of window frame and the type of cladding in each construction situation. It would be desirable if a product were provided that made for a consistent platform for window installation and which was suitable for most commonly used window types, configurations and cladding types. Such a frame is disclosed. The flashing has a window frame support plate (4) having a window frame side and building framework side. A first longitudinal wall (14) extends from the window frame side of the support plate and a longitudinal stiffening formation (17) is continuous with the plate for imparting rigidity to it. The stiffening formation may be a box section. A joiner to connect the frame parts is also disclosed. Use of spacers (3) is also disclosed to assist in the drainage of condensation from interior spaces (21) of window frames (22). types and building construction styles the junction between the window frame and the cladding is often problematic since it varies depending on the type of window frame and the type of cladding in each construction situation. It would be desirable if a product were provided that made for a consistent platform for window installation and which was suitable for most commonly used window types, configurations and cladding types. Such a frame is disclosed. The flashing has a window frame support plate (4) having a window frame side and building framework side. A first longitudinal wall (14) extends from the window frame side of the support plate and a longitudinal stiffening formation (17) is continuous with the plate for imparting rigidity to it. The stiffening formation may be a box section. A joiner to connect the frame parts is also disclosed. Use of spacers (3) is also disclosed to assist in the drainage of condensation from interior spaces (21) of window frames (22).
Description
Patents Form No. 5
Complete Specification
New Zealand Patents Act 1953
Title: AN IMPROVED FLASHING AND JOINER FOR WINDOW
INSTALLATIONS
Applicant: I, Smart Reveal Pty Ltd, of
Address: Lot 5/33 Premier Circuit, Kawana Waters, QLD 4575, Australia
Nationality of Applicant: Australian
hereby declare the invention, for which I pray that a patent may be granted to
me, and the method by which it is to be performed, to be particularly
described in and by the following statement:
AN IMPROVED FLASHING AND JOINER FOR WINDOW
INSTALLATIONS
TECHNICAL FIELD
The present invention is directed to a flashing, and to a frame comprised of a
number of lengths of the flashing, for use in the installation of building
openings such as window frames.
BACKGROUND
Any references to methods, apparatus or documents of the prior art are not to
be taken as constituting any evidence or admission that they formed, or form
part of the common general knowledge.
Many buildings are constructed about a timber or steel framework. The
framework is typically covered with a membrane and cladding on its outer
side. The cladding may be any of a number of different types. For example, it
is known to use timber and also synthetic weatherboards, a single layer of
brick or even rendered polystyrene foam.
Window frames are set into the building framework and usually the cladding
butts up against the window frame. Given the myriad of cladding types and
building construction styles the junction between the window frame and the
cladding is often problematic since it varies depending on the type of window
frame and the type of cladding in each construction situation.
It would be desirable if a product were provided that made for a consistent
platform for window installation and which was suitable for most commonly
used window types, configurations and cladding types.
In addition to the above concern, whenever a window is installed into a
building wall there is a possibility that the window frame could leak.
However, the sill of the window frame should not be completely sealed as
drainage must be incorporated into the sill to allow for the discharge of
moisture such as condensation which may build up around the window.
It would be desirable if a product were provided that would support the frame
but at the same time encourage drainage of condensation to an outside of the
frame and which would present an obstacle to ingress of condensation or
other moisture into the building.
It is an object of the invention to provide a product which addresses one or
more of the above described problems or which is at least a commercially
attractive alternative to those products that have hitherto been known in the
prior art.
SUMMARY OF THE INVENTION
According to a first aspect of the present invention there is provided a joiner
corresponding to a flashing that includes:
a window frame support plate having a window frame side and building
framework side,
a first longitudinal wall extending from the window frame side of the
support plate to present a barrier to the progress of moisture in use,
a second longitudinal wall extending from the building framework side
thereof for reception between layers of a wall of the building, and
one or more longitudinal stiffening enclosed box sections continuous
with said plate for imparting rigidity thereto,
the joiner including one or more pairs of biscuit portions with each
biscuit of a pair being dimensioned to be received into one of said enclosed
box sections of the flashing, the joiner having a cover which covers an
otherwise visible join line formed when two sections of flashing are joined by
the joiner, the cover being integrally formed with a first slotted member for
receiving an end of the first longitudinal wall of the flashing and with a second
slotted member for receiving an end of the second wall of the flashing.
According to a further aspect of the invention there is provided a support
frame for a window frame, the support frame comprising a plurality of the
previously described joiners in combination with four sections of flashing,
wherein the four sections of flashing are connected to each other at right
angles by the joiners to form the support frame each said section of flashing
including:
a window frame support plate having a window frame side and a
building framework side,
a first longitudinal wall extending from the window frame side of
the support plate to present a barrier to the progress of moisture in use,
a second longitudinal wall extending from the building framework
side thereof for reception between layers of a wall of the building, and
one or more longitudinal stiffening enclosed box sections continuous
with said plate for imparting rigidity thereto, wherein two of the sections
comprise sill and header flashings spaced apart at either end by the
remaining two sections, which comprise jamb flashings.
Preferably the second longitudinal wall of each section of flashing includes at
least one line of weakness for detaching said wall if desired.
According to a further aspect of the present invention there is provided a
window installation comprising the support frame.
BRIEF DESCRIPTION OF THE DRAWINGS
Preferred features, embodiments and variations of the invention may be
discerned from the following Detailed Description which provides sufficient
information for those skilled in the art to perform the invention. The Detailed
Description is not to be regarded as limiting the scope of the preceding
Summary of the Invention in any way. The Detailed Description will make
reference to a number of drawings as follows:
Figure 1 is a single point perspective view of the end and window frame side
of a flashing according to a preferred aspect of the present invention.
Figure 2A is a cross section view of the flashing of Figure 1 in use supporting
a sill of a window frame.
Figure 2B a front plan view of the assembly depicted in Figure 2A.
Figure 3 is a perspective and partial view of the flashing of Figure 1 in use
above the header of a window frame.
Figure 4 shows a window frame support frame comprised of four lengths of
the flashing of Figure 1 in use.
Figure 5 shows a biscuit joiner for joining lengths of the flashing of Figure 1
together to form the window frame support frame of Figure 4.
Figure 6 shows an inside portion of the flashing of Figure 1 in use adjacent a
sill of a window frame.
Figure 7 shows an outside portion of the flashing of Figure 1 in use adjacent
an outer cladding of a building.
Figure 8a is a cross-sectional view of a 90mm timber frame with a flush reveal
according to an embodiment of the present invention in use.
Figure 8b shows a joiner for forming lengths of the flashing of Figure 8a into a
frame.
Figure 8ba is a cross sectional view through line A-A’ of Figure 8b.
Figure 8c shows the joiner of Figure 8b in use joining two of the flashings of
Figure 8a at right angles.
Figure 9 is a cross-sectional view of a 90mm timber frame with a 30mm reveal
according to a further embodiment of the invention.
Figure 10 is a cross-sectional view of a 90mm timber frame with a 50mm
reveal according to a further embodiment of the invention.
Figure 11 is a cross-sectional view of a 70mm timber frame with a flush reveal
according to a further embodiment of the invention.
Figure 12 is a cross-sectional view of a 70mm timber frame with a flush reveal
according to a further embodiment of the invention.
Figure 13 is a cross-sectional view of a 70mm timber frame with a 50mm
reveal according to a further embodiment of the invention.
Figure 14 is a cross-sectional view of a 190mm masonry with a flush reveal
according to a further embodiment of the invention.
Figure 15 is a cross-sectional view of a 190mm masonry with a 30mm reveal
according to a further embodiment of the invention.
Figure 16 is a cross-sectional view of a 190mm masonry with a 50mm reveal
according to a further embodiment of the invention.
Figure 17 is a cross-sectional view of a 190mm masonry with a 50mm reveal
according to a further embodiment of the invention.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
Referring now to Figure 1, there is shown in single point perspective view, a
length of a flashing 2 according to a preferred embodiment of the present
invention. Figure 2A is an end view of the flashing 2 in use installed in a wall
of a building and supporting a window frame. Figure 2B is a front plan view of
the assembly depicted in Figure 2A.
Flashing 2 is preferably formed as an aluminum extrusion, though other types
of material, for example various plastics, may also be suitable.
The flashing comprises an elongate window frame support plate 4 which has
a window frame support side 6 (identified in Figure 1) and opposite thereto a
building framework side 8. The flashing has an inner end 10, which in use is
toward or inside the interior of the building in which it is installed, and an outer
end 12, which locates proximate the exterior of the building in use.
Extending from the window frame side of the inner end there is a first
longitudinal wall or “fin” or “upstand” 14. Furthermore, extending outward (in
fact downward as shown in Figure 2A) from the building framework side 8 of
the support plate 4, toward the outer end 12, there is a second longitudinal
wall 16. The second longitudinal wall includes one or more lines of weakness
15 (visible in Figure 1) so that a portion of the second longitudinal wall can be
detached if desired.
For example, where the flashing is used in a block construction building it may
be desirable to detach the portion of the second longitudinal wall.
A longitudinal stiffening formation in the form of a box section 17 is located on
the building frame work side 8 of the support plate 4 towards the outside end
12 thereof. The box section 17 imparts rigidity to the plate.
As can be seen in Figures 2A and 2B, the first longitudinal wall 14 and the
second longitudinal wall 16 are sufficiently spaced to accommodate the
building framework 18 and internal wall cladding 20 therebetween. Timber
framework cladding is typically around 90 mm in thickness and internal wall
cladding about 12mm. It will be realized that different versions of the flashing
may be provided to accommodate narrower or broader widths of building
material.
It will be observed in Figures 2A and 2B that the sill 22 of a window frame is
supported on the plate 4 adjacent the first longitudinal wall 14 and seated
upon a series of spaced apart nylon packers 3 with drainage and pressure
equalization gaps 3B located therebetween.
The sill 22 is attached to the first longitudinal wall 14 by means of a series of
rivets (not shown) with sealant (not shown) disposed between the longitudinal
wall 14 and the sill 22. The sill 22 is typically comprised of an aluminum
window frame extrusion as is well known. Such extrusions come in many
different shapes and often include internal voids or cavities which are prone to
collecting condensation. Such a cavity is indicated as item 21 in Figure 2A.
The second longitudinal wall 16 is disposed between the framework 18 and
external cladding 24. The cladding 24 is fastened to the framework 18
through the second longitudinal wall 16, for example by a series of nails (not
shown). A suitable sealant 7 is disposed between the cladding 24, the box
section 17 and the second longitudinal wall 16 as shown in Figure 2A.
Figure 3 is a further view showing header 26 of the window frame, glass pane
28, external cladding 24 and flashing 2.
Figure 4 depicts the exterior of a window frame support frame 30 according to
a preferred embodiment of a further aspect of the present invention in use.
The window frame support frame 30 comprises four sections of the previously
described flashing 2 joined together, preferably by mitering the ends together.
Two of the sections comprise sill 2A and header 2B flashings spaced apart at
either end by the remaining two sections, which comprise jamb flashings 2C,
2D. The window frame support frame 30 is shown supporting a window frame
30A.
It is most convenient to join the four lengths of flashing 2A – 2D (which
comprise the support frame 30) together at their ends by using a suitably
shaped biscuit joiner 2E as illustrated in Figure 5 and a suitable sealant.
Referring now to Figure 6, in use the flashing 2 is installed as shown in Figure
2 or as part of the frame 30 shown in Figure 4.
Drops of condensation 32 may form inside the cavity 21 of the sill 22. Those
drops are able to flow as indicated in Figure 6. That is, the drops 32 flow
through the drainage and pressure equalization gaps 3B between the spacers
3 and along the support plate 4 and thence to the outside.
Consequently, condensation is able to exit from the window frame without
damaging the internal cladding 20 (visible in Figure 6 for example) or the
framework 18 since the internal wall 14 presents an obstacle to the
condensation and other external moisture, entering the building.
Furthermore, as shown in Figure 7, in the event of sealant 7 (shown in Figure
2A) deteriorating, water 34 impacting upon the underside of the external box
section 17, even if it makes its way between the section and the cladding, will
be diverted down and away from the building framework adjacent the sill 22
by the second longitudinal wall 16. Consequently the framework 18, and any
internal membrane (not shown) is protected from contact with water 34.
Referring now to Figure 8a there is shown a flashing 36 according to a further
embodiment of the present invention. The flashing of Figure 36 is formed with
three longitudinal box cavities 38, 40 and 42 which assist in making the
extrusion lightweight while at the same time imparting rigidity along the length
of the extrusion. In this embodiment the longitudinal wall 14 (or as it could
also be called “the fin 14”) is flush with the interior side 44 of the innermost
box cavity 42.
Referring now to Figure 8b, there is shown a joiner for joining mitred
extrusions as shown in Figure 8a together to produce the resulting join that is
shown in Figure 8c. The joiner 46 of Figure 8b includes an elongate main
body portion 46a and a leg 14a having slotted sides for accommodating the
edge of the upturns or "walls" 14 of the extrusions. The leg 14a is shown in
Figure 8b flush with the end of the joiner however it may be offset from the
end to accommodate a window reveal set in from the end as shown in Figures
9 to 13 for example. The leg 14a has an "H" shaped cross section as shown
in Figure 8ba which is a detail cross-sectional view of the section A-A’ of
Figure 8b showing that it is formed with slots 61 and 63.
The joiner 46 is provided with six biscuits 38a, 38b, 40a, 40b, 42a, 42b that
are paired, with each member in a pair being set at an angle of 90 degrees to
each other as shown. Each biscuit is received into a corresponding cavity of a
box section 38 to 32 of the flashing 36 so that the resulting joint has strength
and stability.
A lower leg 16a is provided also of “H” style cross section so that it may
accommodate the wall of the extrusion that fixes to the structural frame or
masonry substrate. Different embodiments of the joiner have this leg set at
different positions along the joiner to accommodate extrusions that suit, for
example, 70mm frame, 90mm Frame and masonry installation.
Covers 51 and 53 run over the outside of the biscuits so that a gap is left
between the covers and the biscuits that is sufficient to snugly receive the
ends of the box sections 38 to 42 of the flashings 36. Accordingly it will be
understood that the joiner provides a snug seal to the ends of the flashings
36. Consequently a suitably rigid frame of the type illustrated as item 30 of
Figure 4 may be readily fabricated from four joiners 46 and four lengths of
flashing 36. Figure 8C shows a detail of a frame 60 with sill section 36b jamb
section 36a joined by joiner 48. Furthermore, slots in the legs 14a and 16a
and the gaps provided between the biscuits and the covers 53 and 51 are
sufficient to allow for variations in the cutting of the ends of the extrusion and
also for expansion and contraction of the extrusion.
The remaining Figures 9 to 17 illustrate further window flashings according to
further embodiments of the invention. It will be observed that they may be
used in both timber frame and masonry (e.g. block or brick) constructions.
Joiners similar to that of Figure 8b may be used with each of these extrusions
provided that they correspond to the particular shape of the extrusion in
question.
In compliance with the statute, the invention has been described in language
more or less specific to structural or methodical features.
The term “comprises” and its variations, such as “comprising” and “comprised
of” is used throughout in an inclusive sense and not to the exclusion of any
additional features. It is to be understood that the invention is not limited to
specific features shown or described since the means herein described
comprises preferred forms of putting the invention into effect. The invention is,
therefore, claimed in any of its forms or modifications within the proper scope
of the appended claims appropriately interpreted by those skilled in the art.
Throughout the specification and claims (if present), unless the context
requires otherwise, the term "substantially" or "about" will be understood to
not be limited to the value for the range qualified by the terms.
Any embodiment of the invention is meant to be illustrative only and is not
meant to be limiting to the invention. Therefore, it should be appreciated that
various other changes and modifications can be made to any embodiment
described without departing from the spirit and scope of the invention.
Claims (5)
1. A joiner corresponding to a flashing that includes: a window frame support plate having a window frame side and building framework side, a first longitudinal wall extending from the window frame side of the support plate to present a barrier to the progress of moisture in use, a second longitudinal wall extending from the building framework side thereof for reception between layers of a wall of the building, and one or more longitudinal stiffening enclosed box sections continuous with said plate for imparting rigidity thereto, the joiner including one or more pairs of biscuit portions with each biscuit of a pair being dimensioned to be received into one of said enclosed box sections of the flashing, the joiner having a cover which covers an otherwise visible join line formed when two sections of flashing are joined by the joiner, the cover being integrally formed with a first slotted member for receiving an end of the first longitudinal wall of the flashing and with a second slotted member for receiving an end of the second wall of the flashing.
2. A support frame for a window frame comprising a plurality of joiners according to claim 1 in combination with four sections of flashing, wherein the four sections of flashing are connected to each other at right angles by the joiners to form the support frame each said section of flashing including: a window frame support plate having a window frame side and a building framework side, a first longitudinal wall extending from the window frame side of the support plate to present a barrier to the progress of moisture in use, a second longitudinal wall extending from the building framework side thereof for reception between layers of a wall of the building, and one or more longitudinal stiffening enclosed box sections continuous with said plate for imparting rigidity thereto, wherein two of the sections comprise sill and header flashings spaced apart at either end by the remaining two sections, which comprise jamb flashings.
3. A support frame according to claim 2, wherein the second longitudinal wall of each section of flashing includes at least one line of weakness for detaching said wall if desired.
4. A window installation comprising a support frame according to any one of claims 2 and 3.
5. A joiner for joining window flashing sections substantially as described herein with reference to
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2013901507 | 2013-04-30 | ||
AU2013901507A AU2013901507A0 (en) | 2013-04-30 | An Improved Flashing for Window Installations | |
AU2013903516A AU2013903516A0 (en) | 2013-09-12 | An improved flashing and joiner for window installations | |
AU2013903516 | 2013-09-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
NZ624380A NZ624380A (en) | 2015-11-27 |
NZ624380B true NZ624380B (en) | 2016-03-01 |
Family
ID=
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