AU2021221756A1 - Building cladding system and method - Google Patents

Building cladding system and method Download PDF

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Publication number
AU2021221756A1
AU2021221756A1 AU2021221756A AU2021221756A AU2021221756A1 AU 2021221756 A1 AU2021221756 A1 AU 2021221756A1 AU 2021221756 A AU2021221756 A AU 2021221756A AU 2021221756 A AU2021221756 A AU 2021221756A AU 2021221756 A1 AU2021221756 A1 AU 2021221756A1
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AU
Australia
Prior art keywords
cladding
support member
cladding panel
panel
panels
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.)
Pending
Application number
AU2021221756A
Inventor
Terry Middlemiss
Andrew Steele
Shawn Stevens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
REVROOF Pty Ltd
Studio 9 Architects Pty Ltd
Original Assignee
Studio 9 Architects Pty Ltd
REVROOF Pty Ltd
Studio 9 Arch Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from AU2020904711A external-priority patent/AU2020904711A0/en
Application filed by Studio 9 Architects Pty Ltd, REVROOF Pty Ltd, Studio 9 Arch Pty Ltd filed Critical Studio 9 Architects Pty Ltd
Publication of AU2021221756A1 publication Critical patent/AU2021221756A1/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
    • E04D3/363—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets with snap action
    • 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
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/072—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
    • E04F13/076—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
    • 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
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
    • 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
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0862—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of a number of elements which are identical or not, e.g. carried by a common web, support plate or grid
    • 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
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2203/00—Specially structured or shaped covering, lining or flooring elements not otherwise provided for
    • E04F2203/02—Specially structured or shaped covering, lining or flooring elements not otherwise provided for having particular shapes, other than square or rectangular, e.g. triangular, hexagonal, circular, irregular

Abstract

A building cladding system is disclosed. In one embodiment, the building cladding system comprises at least one support member, a first cladding panel having a first edge formation for resiliently engaging a portion of the at least one support member so as to form a snap-lock arrangement therewith, and a second cladding panel having a second edge formation for resiliently engaging the snap-lock arrangement so as to apply a retaining force thereto. The at least one support member may be shaped to support the first and second cladding panels in an adjoining relationship such that the respective edge formations of the first and second cladding panels are locatable in an overlapping relationship with each other and the portion of the at least one support member. 1/10 10 22b 18b 12 12 Figure 1

Description

1/10
10 22b
18b
12
12
Figure 1
BUILDING CLADDING SYSTEM AND METHOD
[0001] This complete patent application is associated with Australian provisional patent application no. 2020904711 filed on 17 December 2020, the entire contents of which are herein incorporated by reference.
TECHNICAL FIELD
[0002] The present disclosure relates to exterior cladding systems formed of panels such as wall or roof cladding panels. Embodiments of the present disclosure have particular, but not exclusive, application to fixing cladding panels to an underlying structure such as wall framing members or a substrate.
BACKGROUND
[0003] Typically, wall cladding panels are formed from coated or unpainted steel sheets and may include one or more parallel ribs, pan sections, and side configurations which enable the panels to be positioned side by side in an overlapping relationship on a support structure such as an underlying substrate or frame structure.
[0004] It is known to secure wall cladding panels to an underlying substrate or structure, such as wall frames, by fixing the panels directly to the underlying structure using fastening hardware, such as nails or screws, which pierce the panels and penetrate the underlying structure. Such fixing approaches may complicate the installation process and detract from the overall aesthetic appearance of the wall cladding both in terms of the visibility of the fasteners and potentially due to the effect of dimpling of panels when fasteners are fixed too tightly. In addition, from a security perspective, the panels may be easy to remove by removing the fasteners so as to penetrate a cladded structure.
[0005] It is also known to arrange cladding panels on a supporting structure, such as a substrate, as an interconnected arrangement of overlapping panels having upper and lower edges supported by top hat or capping sections to prevent or reduce undesirable "oil-canning" of the cladding panels which may occur in pan sections between interconnected seams of the cladding panels. Such approaches may provide an improved appearance over approaches which rely on nails or screws. However, a potential difficulty with such interconnected arrangements is that they may require the use of specialist tools (such as crimping or "button punching" tools), to form a seam between adjacent panels for a given cladding installation to strengthen the overlapping relationship formed between the side by side cladding panels. The use of top hat sections to prevent or reduce oil canning may also complicate the installation process.
[0006] It would be desirable to provide a building cladding system which simplifies the installation of cladding panels and which provides for effective attachment of the cladding panels ) to the underlying support structure.
SUMMARY
[0007] In general terms, embodiments of the present disclosure provide a building cladding system and method including a plurality of interconnected cladding panels, such as building roof or wall panels, which are resiliently retained to a support member at adjoining edges of the interconnected cladding panels.
[0008] Embodiments of the building cladding system comprise at least two cladding panels and at least one support member. Each of the at least two cladding panels include edge formations which extend along opposite lateral edges of the respective cladding member. When installed, a pair of cladding panels are arranged adjacently so that juxtaposed edge formations of the adjacent cladding panels interconnect with each other and the support member. In embodiments, the interconnected edge formations fit over a shaped portion of the support member to form a snap-lock arrangement therewith which acts to retain the interconnected edge formations to the support member.
[0009] In certain embodiments, the cladding panels comprise building panels, such as wall panels or roof panels.
[0010] According to a first aspect of an embodiment of the disclosure there is provided a building cladding system, comprising: at least one support member; a first cladding panel having a first edge formation for resiliently engaging a portion of the at least one support member so as to form a first snap-lock arrangement therewith; and a second cladding panel having a second edge formation for resiliently engaging the first snap-lock arrangement so as to apply a retaining force thereto.
[0011] In certain embodiments, each at least one support member is shaped to support the first and second cladding panels in an adjoining relationship such that the respective edge formations of the first and second cladding panels are locatable in an overlapping relationship with each other and the portion of the at least one support member.
[0012] The portion of the at least one support member may include an upstanding portion comprising a head having a flat portion, and opposite side portions depending generally downwardly from the flat portion. The first edge formation of the first cladding panel includes a detent for resiliently engaging with a notch in at least one of the side portions of the head when the first cladding panel is resiliently engaged with the support member.
[0013] In an embodiment, the detent is shaped to provide a depression for receiving at least a portion of the second edge formation of the second cladding panel.
[0014] In certain embodiments, the second edge formation of the second cladding panel includes an inwardly depending lip for resiliently engaging with the detent of the first cladding panel so as to engage the first snap-lock arrangement. When so engaged, the combination of the second edge formation and the detent of the first cladding panel form a second snap-lock arrangement.
[0015] Each cladding panel may include a pan section disposed between its respective edge formation and an opposite edge formation of the respective cladding panel. In certain embodiments, the support member includes a seat portion for contacting the pan sections of the first and second cladding panels so as to support the first and second cladding panels in the adjoining relationship.
[0016] In certain embodiments, each opposite edge formation of the first and the second cladding panels is for resiliently engaging a respective another portion of the support member so as to form a snap-lock arrangement therewith.
[0017] According to a second aspect of an embodiment of the present disclosure there is provided a building cladding system, comprising: at least one support member; a first cladding panel having a pair of laterally spaced edge formations for location on the at least one support member; and a second cladding panel for location in adjoining relationship with the first cladding panel on the at least one support member, the second cladding panel having a pair of laterally spaced edge formations; wherein when located in said adjoining relationship, juxtaposed edge formations of the first and second cladding panel have an overlapping relationship with each other and a respective portion of the at least one support member to form a snap-lock arrangement in which the overlying edge formation applies a retaining force to the underlying edge formation to attach the first cladding panel and the second cladding panel to the at least one support member.
[0018] According to a third aspect of an embodiment of the present disclosure there is provided a method of forming a cladded structure, comprising: providing at least one support member; locating a first cladding panel having a first pair of opposite edge formations on the at least one support member so that the edge formations resiliently engage with a respective portion of the at least one support member; and locating a second cladding panel having a second pair of edge formations in adjoining relationship with the first cladding panel; wherein when located in said adjoining relationship, juxtaposed edge formations of the first and second cladding panels have an overlapping relationship with each other and a respective portion of the at least one support member to form a snap-lock arrangement in which the overlying edge formation applies a retaining force to the underlying edge formation to attach the first cladding panel and the second cladding panel to the at least one support member.
[0019] In embodiments, the formation of the snap-lock arrangement involves a pressing force.
[0020] In embodiments, a rib-type structure is formed by the engaged edge formations which extends along the length of the respective adjoined cladding panels and spans across at least two support members. This arrangement may improve the rigidity of the cladding to reduce their susceptibility to distortion and/or deformation effects such as buckling.
[0021] In certain embodiments, the first and second cladding panels include a pan section having a concave profile in the form of a "semi-circular" or "half round" profile. In such embodiments, each at least one support member includes laterally adjacent concave seat portions shaped to receive the pan of a supported first and second cladding panels. An advantage of this configuration is that the load of a supported cladding panel is distributed across the continuum of its respective seat portion.
[0022] Embodiments including the first and second cladding panels include a pan section having a concave profile in the form of a "semi-circular" or "half round" profile are expected to provide a reduced susceptibility to oil-canning. Furthermore, a concave profile may provide a depth which is adapted to assist with drainage, such as water run-off.
BRIEF DESCRIPTION OF DRAWINGS
[0023] Embodiments of the present disclosure will be discussed with reference to the accompanying drawings wherein:
[0024] Figure 1 is an exploded perspective view of a cladding system according to an embodiment;
[0025] Figure 2 is a front perspective view of the embodiment of the cladding system shown in Figure 1 in an assembled form;
[0026] Figure 3 is an end view of a support member suitable for use with the embodiment of the roofing system shown in Figure 1;
[0027] Figures 4, 5 and 6 are end views of the embodiment of the cladding system shown in Figure 1 showing an assembly process;
[0028] Figure 7 shows a close up view of a part of the embodiment of the cladding system during resilient engagement;
[0029] Figure 8 shows a close up view of a part of the embodiment of the cladding system during resilient engagement;
[0030] Figure 9 shows a close up view of a part of the embodiment of the cladding system during resilient engagement; and
[0031] Figures 10 to 12 show an example of a wall structure formed from the embodiment of the cladding system shown in Figure 1.
[0032] In the following description, like reference characters designate like or corresponding parts throughout the figures.
DESCRIPTION OF EMBODIMENTS
[0033] Referring now to Figures 1 and 2, there is shown a cladding system 10, comprising a pair of support members 12, a first cladding panel 14 and a second cladding panel 16.
[0034] The cladding system 10 shown here is depicted in a horizontal configuration in which the cladding panels 14, 16 are located "on top" of the support members 12, as may be the case for a roof structure. However, it is to be understood that embodiments of the cladding system 10 could be arranged in a vertical type configuration in which the cladding panels 14, 16 and the support member 12 are arranged vertically so as to form, for example, a cladded wall structure. In other words, it is envisaged that embodiments of the cladding system may be used to form a wall cladded or roof cladded structure.
[0035] In the present case the support members 12, the first cladding panel 14, and the second cladding panel 16 are formed from a sheet metal. For example, the support members 12 may be formed from 1.2 mm galvanised steel, and the first cladding panel 14 and the second cladding panel 16 may be formed from steel sheet having a 0.55 mm base metal thickness (BMT). However, the first and second cladding panels 14, 16 and the support member 12 may be formed from any suitable material. Examples of suitable materials include aluminium, brass, copper, stainless steel, and steel. In some embodiments, the first cladding panel 14 and the second cladding panel 16 may be of a roll formed metal construction. However, in other embodiments the first cladding panel 14 and the second cladding panel 16 may be moulded from, for example, polycarbonate material.
[0036] As shown in Figure 1, the first and second cladding panels 14, 16 include a pan section 26 having a concave profile, shown here as a "semi-circular" or "half round" profile. Before continuing further, although in the present case the first cladding panel 14 and the second cladding panel 16 are illustrated and described as having a "semi-circular" or "half round" pan section, it will of course be appreciated that other shaped pan sections may be used. Other suitable shaped sections include profiles having a generally v-shaped, convex, elliptical, rippled, boxed, ribbed, triangular, sawtooth, corrugated, sinusoidal, or rectangular pan section. In other words, it is anticipated that embodiments of the present disclosure may involve a variety of different shaped cladding panels.
[0037] Furthermore, in the illustrated and described embodiment, the cladding system 10 includes a pair of cladding panels 14, 16 which share the same profile, being a concave profile. However, it Sis to be appreciated that other embodiments may involve the use of a plurality of cladding panels which do not share the same profile apart from edge formations. Nevertheless, in the present case, the cladding panels 14, 16 are identical in form with each including a respective first edge formation 18a, 18b and a respective second edge formation 22a, 22b extending along opposite lateral edges of the respective cladding member 14, 16.
[0038] The cladding panels shown here have a height of 150 mm and a length of 1000 mm. However, it will be appreciated that other cladding panel sizes may be used. For example, in certain embodiments the cladding panels may have a profile with a depth of between 50 mm and 250 mm. In certain embodiments, the cladding panels have a profile with a depth of between 100 mm and 200 mm.
[0039] In the illustrated form, the first edge formation 18a of the first cladding panel 14 resiliently engages a portion 20a (ref. Figure 3) of the support member 12 so as to form a first snap-lock arrangement therewith.
[0040] The second edge formation 22b of the second cladding panel 16 is shaped to resiliently engage the first snap-lock arrangement formed by first edge formation 18a of the first cladding panel 14 and the portion 20a of the support member 14 in an overlapping relationship so as to apply a retaining force thereto which tends to urge the first edge formation 18a of the first cladding panel 14 to maintain engagement with the portion 20a of the support member 12. In this arrangement, the support member 12 supports the first and second cladding panels 14, 16 in an adjoining relationship such that the second edge formation 22b of the second cladding panel 16 is positioned in overlapping relationship with the first edge formation 18a of the first cladding panel 16 and the portion 20a of support member 12.
[0041] As shown in Figures 3 and 4, in the illustrated form, the support member 12 includes a pair of laterally adjacent seat portions 24a, 24b, shown here as semi-circular seat portions, for contacting correspondingly shaped pan sections 26 (ref. Figure 4) of the first and second cladding panels 14, 16 when supported by the support member 12 so as to support the first and second cladding panels 14, 16 in adjoining relationship. Seat portions 25a, 25b (ref. Figure 4) are also provided at distal ends of the support member 12. Seat portions 25a, 25b comprise quadrant shaped seats for contacting a portion of shaped pan sections of a third and/or fourth cladding panel (not shown) if supported by the support member 12 so as to support the third and/or fourth cladding panels in adjoining relationship with the first and second cladding panels respectively.
[0042] In the present case, as described above, the pan section 26 of the first and second cladding panels 14, 16 comprises the semi-circular section extending between the respective first and second edge formations 18a, 18b, and 22a, 22b. Thus, in the present case, the laterally adjacent seat portions 24a, 24b of the support member 12 and the section 26 of the first and second cladding ) panels 14, 16 are correspondingly shaped such that each of the laterally adjacent seat portions 24a, 24b contacts the section 26 of the respective supported first and second cladding panels 14, 16 over a continuum of the respective section 26. An advantage of this configuration is that the load of a supported cladding panels 14, 16 is distributed across the continuum of its respective supporting portion 24a, 24b.
[0043] As described above, in embodiments, the first edge formation 18a of the first cladding panel 14 resiliently engages a portion 20a of the support member 14 so as to form a first snap-lock arrangement therewith. As shown in Figure 3, in the present case, each portion 20a, 20b, 20c of the support member 12 comprises a head 28 of an upstanding portion 30 of the support member 12. The head 28 shown here comprises a flat portion 32, and opposite side portions 34, 36 which depend generally downwardly from the flat portion 32. An angled section 40, which slopes downwardly as it projects outwardly from the flat portion 32, is provided on the side portion 36 and terminates at the beginning of the right most seat portion 24.
[0044] In the present case, each side portion 34 includes a relief in the form of a notch 38 which slants laterally inwardly as it extends upwardly from a lowermost edge of the notch 38 to form a shoulder 41 (ref. Figure 4) at a topmost edge of the notch 38. The function of the notch 38 will be described in more detail below.
[0045] Returning now to Figure 4, each first edge formation 18a, 18b of the first and second cladding panels 16, 18 respectively includes a detent 42 which is shaped for location within the notch 38 when the respective first or second cladding panel 16, 18 is supported by the support member 12. In embodiments, the first edge formation 18a, 18b is configured such that the location of the detent 42 within a respective notch 38 involves a resilient engagement which forms the above mentioned snap-lock type engagement.
[0046] In the illustrated example, each first edge formation 18a, 18b also includes a cap or top section 47 (ref. Figure 4) which cooperates with a respective head 28 to locate the detent 42 in the notch 38 during resilient engagement. In present case, each first edge formation 18a, 18b provides a resiliently deformable region 46 configured to receive the head 28 during resilient engagement and bias the detent 42 for location in the notch 38 to form the first snap-lock type engagement therewith. This resilient engagement is progressively formed as the first edge formation 18a of the first cladding panel 14 is pressed on to the respective head 28b to form the first snap-lock type engagement in which the detent 42 is located and resiliently held in the notch 38. The effect of the pressing operation will be described in more detail below.
[0047] In the configuration illustrated, the second edge formation 22a of the first cladding panel
14 resiliently engages with the head 28a of the support member 12. However, in some installations the second edge formation 22a of the first cladding panel 14 may resiliently engage with an edge formation of another cladding panel located on the head 28a of the support member 12, if another cladding panel was located thereon so as to be partially supported by the seat 25a of the support member 12. This may be the case, for example, where the cladding comprises a plurality of laterally adjacent support members arranged so that seats 25a, 25 ofjuxtaposed support members form a complete seat arrangement. Figures 10 to 12 show an example of this type of installation.
[0048] In any case, the second edge formation 22a of the first cladding panel 14 provides a resiliently deformable region 48 which receives, in this example, the head 28a of the support member 20 to form a resilient engagement which biases an upwardly angled lip 50 of the second edge formation 22a of the first cladding panel 14 for location in the notch 38 of head 28a to form a snap-lock type engagement therewith. Although it is to be noted that the second edge formation 22a of the first cladding panel 14 is also capable of receiving a first edge formation of another adjoining panel (not shown) which itself has a second edge formation which is resiliently engaged to head 28a and which partially overlaps and is supported by the support member 12.
[0049] As shown in Figure 5, once the first edge formation 18a and the second edge formation 22a of the first cladding panel 14 are resiliently engaged with a respective head 28a, 28b of the support member 12, the first cladding panel 14 is supported by and attached to the support member 12. In this arrangement, the pan section 26 of the first cladding panel 14 is seated on seat portion 24a of the support member 12.
[0050] Continuing now with reference to Figures 5 and 6, once the first cladding panel 14 is supported by and attached to the support member 20b, the second cladding panel 16 is located such that the second edge formation 22b is located above (ref. Figure 5) the snap-lock arrangement formed by the first edge formation 18a of the first cladding member 14 and the head 28b of the support member 20. The second edge formation 22b of the second cladding panel 16 is then pressed down onto the first snap lock engagement (ref. Figure 6) to form a resilient engagement therewith. When so located, the upwardly angled lip 50 of the second cladding panel 16 resiliently engages with the detent 42 of the first cladding panel 14. In this arrangement, the upwardly angled lip 50 applies a retaining force which urges the detent 42 to maintain resilient engagement with the notch 38. In the illustrated configuration, the first and second cladding panels 14, 16 are thus arranged in an adjoining relationship such that the respective edge formations 18a, 22b of the first and second cladding panels 14, 16 are in an overlapping relationship with each other and the head 28a of support member 12.
[0051] Figures 7 to 9 show the nature of the cooperation between the edge formations 18, 22 and the respective head 28 of the support member 12 in more detail, as will now be described.
[0052] Figure 7 shows the interaction between the second edge formation 22a of the first cladding member 14 and the head 28a of the support member 12 as the second edge formation 22a is progressively brought into resilient engagement with the head 28b by application of pressure P.
[0053] As shown in this example, as the second edge formation of 22a is progressively engaged with the head 28a of the support member 12, the upwardly angled lip 50 bears against an outwardly angled portion of side portion 34. The upwardly angled lip 50 is progressively and resiliently displaced outwardly as it traverses the outwardly angled portion of side portion 34 towards the shoulder41. This displacement causes the region 48 to resiliently deform to accept the head 28a. Continued application of a pressing force P causes the upwardly angled lip 50 to traverse generally downwardly along the outwardly angled portion of side portion 34 in the direction of the notch 38 until it passes the shoulder 41 at the topmost edge of the notch 38, at which point the upwardly angled lip 50 resiliently engages with the notch 38 to form a snap-lock type arrangement shown on Figure 7(c).
[0054] Figure 8 shows the interaction between the first edge formation 18a of the first cladding member 14 and the head 28b of the support member 12 as the first edge formation of 18a is progressively brought into resilient engagement with the head 28b by application of a pressure P.
[0055] As shown, as the first edge formation of 18a is progressively engaged with the head 28b of the support member 12, the detent 42 bears against an outwardly angled portion of side portion 34. The detent 42 is progressively and resiliently displaced outwardly as it traverses the outwardly angled portion of side portion 34. This displacement causes the region 46 to resiliently deform to accept the head 28b. Continued application of pressure P causes the detent 42 to traverse further generally downwardly along the outwardly angled portion of side portion 34 in the direction of the notch 38 until it passes the shoulder 41 at the topmost edge of the notch 38, at which point the detent 42 resiliently engages with the notch 38 to form a snap-lock type arrangement of the type shown in Figure 8(b). When in this engagement, the detent 42 provides a notch-type arrangement having a shoulder 82.
[0056] Turning now to Figure 9 there is shown an interaction between the second edge formation 22b of the second cladding member 14 and the first edge formation of 18a of the first cladding member 14 shown in Figure 8, as the second edge formation 22b is progressively brought into resilient engagement with the first edge formation of 18a by application of a pressing force P. The cooperation between the second edge formation 22b of the second cladding member 14 and the first edge formation of 18a as the second edge formation 22b is progressively brought into resilient engagement with the first edge formation of 18a is similar to that described in relation to Figure 7 above.
[0057] As shown in this example, as the second edge formation of 22b is progressively engaged with the first edge formation of 18a, the upwardly angled lip 50 bears against an outwardly angled portion of the first edge formation 18a. The upwardly angled lip 50 the second edge formation of 22b is progressively and resiliently displaced outwardly as it traverses the outwardly angled portion of the first edge formation 18a towards the shoulder 81. This displacement causes the region 48 to resiliently deform to accept the first edge formation of 18a and thus the head 28a.
[0058] Continued application of pressure P causes the upwardly angled lip 50 to traverse generally downwardly along the outwardly angled portion of the first edge formation 18a in the direction of the notch 80 until it passes the shoulder 82 at the topmost edge of the notch 80, at which point the upwardly angled lip 50 resiliently engages with the notch 80 to form a snap-lock type arrangement shown in Figure 9(c). In the illustrated arrangement, the first and second cladding panels are in an adjoining relationship such that the respective edge formations 18a, 22b of the first and second cladding panels 14, 14 are locatable in an overlapping relationship with each other and the head 28b of the support member 12. When in overlapping relationship, the second edge formation of 22b applies force to the first edge formation 18a which urges the detent 42 of the first edge formation 18a to maintain resilient engagement with the notch 38.
[0059] Turning now to Figures 10 to 12, there is shown a cladded structure 100 comprising a plurality of first and second cladding panels 14, 16 affixed to respective support members 12. As best shown in Figure 12, when installed, rib-type 110 structures are formed by the snap-lock engaged edge formations of the adjoined cladding panels 14, 16 (ref Fig. 11). Each rib-type structure 110 extends along the length of the respective adjoined cladding panels and spans across the support members 12. This arrangement may improve the rigidity of the cladding panels and thus reduce their susceptibility to distortion and/or deformation effects such as buckling.
[0060] It will be understood that the terms "comprise" and "include" and any of their derivatives (eg comprises, comprising, includes, including) as used in this specification is to be taken to be inclusive of features to which the term refers, and is not meant to exclude the presence of any additional features unless otherwise stated or implied.
[0061] The reference to any prior art in this specification is not, and should not betaken as, an acknowledgement of any form of suggestion that such prior art forms part of the common general knowledge.
[0062] It will be appreciated by those skilled in the art that the disclosure is not restricted in its use to the particular application or applications described. Neither is the present disclosure restricted in its preferred embodiment with regard to the particular elements and/or features described or depicted herein. It will be appreciated that the disclosure is not limited to the embodiment or embodiments disclosed, but is capable of numerous rearrangements, modifications and substitutions without departing from the scope as set forth and defined by the following claims.

Claims (13)

I1 CLAIMS
1. A building cladding system, comprising: at least one support member; a first cladding panel having a first edge formation for resiliently engaging a portion of the at least one support member so as to form a snap-lock arrangement therewith; and a second cladding panel having a second edge formation for resiliently engaging the snap lock arrangement so as to apply a retaining force thereto.
2. A building cladding system according to claim 1 wherein the at least one support member is shaped to support the first and second cladding panels in an adjoining relationship such that the respective edge formations of the first and second cladding panels are locatable in an overlapping relationship with each other and the portion of the at least one support member.
3. A building cladding system according to claim 2 wherein the portion of the at least one support member includes an upstanding portion comprising a head having a flat portion, and opposite side portions depending generally downwardly from the flat portion, and wherein one of the side portions includes a notch, and wherein the first edge formation of the first cladding panel includes a detent having an inner side for engaging with the notch when the first cladding panel is resiliently engaged with the at least one support member and an outer side for receiving an extent of the second edge formation of the second cladding panel.
4. A building cladding system according to claim 3 wherein the extent of the second edge formation of the second cladding panel includes an inwardly depending lip for engaging with the detent of the first cladding panel to engage the snap-lock arrangement.
5. A building cladding system according to any one of claims 2 to 4 wherein each cladding panel includes a pan section disposed between the respective edge formation and an opposite edge formation of the respective cladding panel, and wherein the at least one support member includes a seat portion for contacting the pan sections of the first and second cladding panels so as to support the first and second cladding panels in the adjoining relationship.
6. A building cladding system according to claim 5 wherein each opposite edge formation of the first and the second cladding panels is for resiliently engaging a respective another portion of the at least one support member so as to form a snap-lock arrangement therewith.
7. A building cladding system, comprising: at least one support member; a first cladding panel having a pair of laterally spaced edge formations for location on the at least one support member; and a second cladding panel for location in adjoining relationship with the first cladding panel on the at least one support member, the second cladding panel having a pair of laterally spaced edge formations; wherein when located in said adjoining relationship, juxtaposed edge formations of the first and second cladding panel have an overlapping relationship with each other and a respective portion of the at least one support member to form a snap-lock arrangement in which the overlying edge formation applies a retaining force to the underlying edge formation to attach the first cladding panel and the second cladding panel to the at least one support member.
8. A method of forming a cladded structure, comprising: providing at least one support member; locating a first cladding panel having a pair of opposite edge formations on the at least one support member so that the edge formations resiliently engage with a respective portion of the at least one support member; and locating a second cladding panel having a pair of edge formations in adjoining relationship with the first cladding panel; wherein when located in said adjoining relationship, juxtaposed edge formations of the first and second cladding panels have an overlapping relationship with each other and a respective portion of the at least one support member to form a snap-lock arrangement in which the overlying edge formation applies a retaining force to the underlying edge formation to attach the first cladding panel and the second cladding panel to the at least one support member.
9. A building cladding system according to any one of claims 1 to 7 wherein the cladding panels have a profile with a depth of between 50 mm and 250 mm.
10. A building cladding system according to any one of claims 1 to 7 wherein the cladding panels have a profile with a depth of between 100 mm and 200 mm.
11. A building cladding system according to any one of claims 9 and 10 wherein the cladding panels have a concave profile which extends between the opposite edge formations.
12. A cladding panel adapted for use as the first and/or second cladding panel in a building cladding system according to any one of claims 1 to 7, or 9 to 11.
13. A bracket adapted for use as the at least one support member in a building cladding system according to any one of claims 1 to 7, or 9 to 11.
AU2021221756A 2020-12-17 2021-08-25 Building cladding system and method Pending AU2021221756A1 (en)

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