Metal roof edge locking system and construction method thereof

By using hot melt adhesive for dense filling and flexible joint interlocking in the metal roofing seam system, the problems of damage and water leakage in the metal roofing seam process are solved, achieving higher waterproof and windproof performance.

CN113565272BActive Publication Date: 2025-10-24CHINA CONSTR FIRST BUILDING (GRP) CORP LTD +1
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Patent Information

Application Number
CN202110937189.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-08-16
Publication Date
2025-10-24
Estimated Expiration
2041-08-16

AI Technical Summary

Technical Problem

Existing metal roofing seam sealing technology is prone to damage to the interlocking metal plates at the end nodes, leading to increased construction time and costs, and also posing a risk of roof leakage.

Method used

Hot melt adhesive is used to fill the space between the metal panel and the support bracket to form an integral structure. Adjacent metal panels are fixed by flexible joint interlocking to avoid damage. Rubber rods and insulation layers are set in the filling layer and gaps to improve waterproofing and wind resistance.

Benefits of technology

It effectively avoids the risk of roof leakage, improves wind resistance and waterproofing, reduces damage to metal panels, and shortens construction time and costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a metal roof locking system and a construction method thereof. The metal roof locking system comprises a support bracket and a metal roof. The support bracket has a cross-shaped head. The bottom end of the support bracket is fixed on a lining purlin of a roof bottom plate. The metal roof comprises a plurality of metal panels arranged above the roof bottom plate. The side edges of adjacent metal panels are overlapped at the cross-shaped head of the support bracket. Hot melt adhesive is filled between the metal panels and the cross-shaped head of the support bracket. The side edges of adjacent metal panels are locked and fixed by the hot melt adhesive. The metal roof locking system can make the support bracket and the metal roof form a whole structure by tightly filling the hot melt adhesive between the metal panels and the support bracket, thereby avoiding the water leakage hidden danger of the roof. In addition, the flexible node engagement formed by the locking and fixing of the hot melt adhesive is not easy to damage the metal panels, and the wind resistance and water resistance of the roof are significantly improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building engineering, and in particular to a metal roof locking system and a construction method thereof. BACKGROUND

[0002] The core component of the standing seam metal roof system is a metal plate based on standing seam snap design, and the supporting mode is hidden under the panel, so that any perforation cannot be seen on the roof. The connection mode of the roof panel is usually to use a special aluminum alloy fixed support to form a tight connection by standing seam snap of the panel to the panel, and the connection mode formed by the snap edge and the support can solve the stress of the panel caused by thermal expansion and contraction, so that the deformation caused by stress can be avoided when producing a longitudinally super-long size panel, and the requirements of various building forms can be met.

[0003] The existing metal roof locking process usually uses two adjacent roof panels to overlap on both sides of the round head metal support, and then uses a locking machine to forcibly clamp and fix, which often causes damage to the snap metal plate at the port node, thereby adversely affecting the project duration and cost.

[0004] In view of this, the present application is proposed. SUMMARY

[0005] The present application aims to provide a metal roof locking system and a construction method thereof, which can form a whole structure by filling hot melt adhesive between the metal panel and the supporting bracket, so as to avoid the hidden danger of roof water leakage, and the flexible node snap mode is not easy to damage the metal panel, and the wind resistance and water resistance of the roof are significantly improved.

[0006] The present application provides a metal roof locking system, comprising a supporting bracket and a metal roof, the supporting bracket has a cross-shaped head, the bottom end of the supporting bracket is fixed on the gusset of the roof bottom plate, the metal roof comprises a plurality of metal panels arranged above the roof bottom plate, the side edges of adjacent metal panels are overlapped at the cross-shaped head of the supporting bracket, hot melt adhesive is filled between the metal panel and the cross-shaped head of the supporting bracket, and the side edges of adjacent metal panels are locked and fixed by the hot melt adhesive.

[0007] Further, a gap is provided between the roof bottom plate and the metal roof, and a filling layer is provided at the gap between the roof bottom plate and the metal roof.

[0008] Further, a rubber rod is provided in the gap between the filling layer, the supporting bracket and the metal roof.

[0009] Further, the filling layer comprises a thermal insulation layer and a waterproof and breathable vapor barrier layer arranged in sequence above the roof bottom plate.

[0010] Further, positioning holes are arranged on the thermal insulation layer, the support bracket is arranged in the positioning hole of the thermal insulation layer, and small pieces of thermal insulation material are arranged in the gap between the positioning hole and the support bracket.

[0011] Further, the thermal insulation layer is composed of a plurality of thermal insulation material layers that are overlapped with each other, and the end and edge of the thermal insulation material layer are anchored and fixed on the roof deck.

[0012] The application further provides a construction method of the metal roof locking system, comprising the following steps:

[0013] S1: fixing the bottom end of the support bracket on the lining purlin of the roof deck;

[0014] S2: placing hot melt material on both sides of the cross-shaped head of the support bracket, and installing the metal panel above the roof deck so that the side edges of adjacent metal panels are overlapped at the cross-shaped head of the support bracket;

[0015] S3: hot melt locking of the overlapped part of the adjacent metal panels, and the hot melt glue formed by the hot melt material is filled between the metal panel and the cross-shaped head of the support bracket to lock and fix the side edges of the adjacent metal panels.

[0016] Further, before step S2, the method further comprises: laying a filling layer above the roof deck; and after laying the filling layer, the method further comprises: longitudinally arranging rubber rods in the gap between the filling layer, the support bracket and the metal roof.

[0017] Further, laying the filling layer comprises: laying a thermal insulation layer on the roof deck, and then laying a waterproof, breathable and vapor-proof layer on the thermal insulation layer.

[0018] Further, laying the thermal insulation layer comprises: arranging positioning holes on the thermal insulation material layer, arranging the support bracket in the positioning hole of the thermal insulation material layer, and arranging small pieces of thermal insulation material in the gap between the positioning hole and the support bracket, overlapping adjacent thermal insulation material layers, and anchoring and fixing the end and edge of the thermal insulation material layer on the roof deck.

[0019] The metal roof locking system of the application can form an integral structure of the support bracket and the metal roof by densely filling the hot melt glue between the metal panel and the support bracket, thereby avoiding the water leakage problem of the roof; in addition, the flexible node engagement formed by the hot melt glue locking is not easy to damage the metal panel, and the wind resistance and water resistance of the roof are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the specific embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort based on these drawings.

[0021] Figure 1 Structure diagram of metal roof locking system according to an embodiment of the present application.

[0022] Explanation of reference signs:

[0023] 1: support bracket; 2: metal roof; 3: roof bottom plate; 4: lining purlin; 5: hot melt adhesive; 6: rubber stick; 7: thermal insulation layer; 8: waterproof and breathable vapor barrier layer; 9: self-tapping screw. Specific embodiments

[0024] The technical solutions of the present application will be described below in conjunction with the embodiments, obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present application.

[0025] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0026] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an ordered ranking of the indicated technical features. Thus, features defined with "first", "second" or "third" can include one or more of the features implicitly or explicitly. In the description of the present application, "a plurality of" means two or more, unless expressly and specifically defined otherwise. In addition, the terms "mounting", "connected", "connecting" should be interpreted broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] Embodiment 1

[0028] Referring to Figure 1 The metal roof locking system of the embodiment comprises a support bracket 1 and a metal roof 2, the support bracket 1 has a cross-shaped head, the bottom end of the support bracket 1 is fixed on a lining purlin 4 of a roof deck 3, the metal roof 2 comprises a plurality of metal panels arranged above the roof deck 3, the side edges of adjacent metal panels are overlapped at the cross-shaped head of the support bracket 1, hot melt adhesive 5 is filled between the metal panels and the cross-shaped head of the support bracket 1, and the side edges of adjacent metal panels are fixed by the hot melt adhesive 5.

[0029] The support bracket 1 is mainly used to fixedly connect the metal roof 2 and the roof deck 3 to form an integral structure, and its structure is not strictly limited.

[0030] Specifically, the bottom end of the support bracket 1 can be provided with a bottom plate, which can be fixed on the lining purlin 4 by self-tapping screws 9; meanwhile, the support bracket 1 has a head end with a cross-shaped head, and the hot melt adhesive 5 can be arranged on the left and right sides of the cross-shaped head. The hot melt adhesive 5 can be formed by hot melting of a hot melt material, and the hot melt adhesive 5 formed by heating and expanding can be densely filled between the metal panels and the support bracket 1, so that the support bracket 1 and the metal roof 2 can form an integral structure.

[0031] The hot melt material forming the hot melt adhesive 5 is not strictly limited, as long as it can be fixed by hot melting of the side edges of adjacent metal panels, for example, solid asphalt sealing waterproof material can be used.

[0032] It can be understood that a gap can be provided between the roof deck 3 and the metal roof 2, and a filling layer can be provided at the gap between the roof deck 3 and the metal roof 2; the filling layer is mainly used to realize the functions of heat preservation, waterproof and breathable, vapor barrier, sound insulation, etc., and its specific structure is not strictly limited and can be reasonably set according to actual needs. It can be understood that a gap can be provided between the roof deck 3 and the metal roof 2, and a filling layer can be provided at the gap between the roof deck 3 and the metal roof 2; the filling layer is mainly used to realize the functions of heat preservation, waterproof and breathable, vapor barrier, sound insulation, etc., and its specific structure is not strictly limited and can be reasonably set according to actual needs.

[0033] In the embodiment, the filling layer can include the thermal insulation layer 7 and the waterproof and vapor-permeable vapor barrier layer 8 arranged in sequence above the roof deck 3; the thermal insulation layer 7 and the waterproof and vapor-permeable vapor barrier layer 8 can be laid above the roof deck 3 in a conventional laying manner in the art.

[0034] Specifically, positioning holes can be arranged on the thermal insulation layer 7, the diameter of the positioning holes can be slightly larger than the size of the support bracket 1, the support bracket 1 is arranged in the positioning holes of the thermal insulation layer 7, and small pieces of thermal insulation material can be arranged at the gaps between the positioning holes and the support bracket 1, so as to improve the thermal insulation effect of the thermal insulation layer 7. The thermal insulation layer 7 can be composed of a plurality of thermal insulation material layers that are overlapped with each other, and the ends and edges of the thermal insulation material layers can be anchored and fixed on the roof deck 3.

[0035] In particular, rubber rods 6 can also be arranged longitudinally at the gaps between the above-mentioned filling layer, the support bracket 1 and the metal roof 2, so that the gaps between the adjacent metal roofs 2 are fully filled; the material of the rubber rod 6 is not strictly limited, for example, a polyvinyl chloride rubber rod can be used.

[0036] The metal roof edge locking system of the embodiment can make the support bracket 1 and the metal roof 2 form a whole structure by arranging the side edges of the adjacent metal panels at the cross-shaped head of the support bracket 1 and densely filling the hot melt adhesive 5 between the metal panels and the cross-shaped head of the support bracket 1, so as to avoid the hidden danger of roof water leakage; in addition, the flexible node engagement formed by the edge locking and fixing of the hot melt adhesive 5 is not easy to damage the metal panel, and the wind resistance and water resistance of the roof are significantly improved.

[0037] Embodiment 2

[0038] In combination with Figure 1 the drawings, the construction method of the metal roof edge locking system of the embodiment includes the following steps:

[0039] S1: fixing the bottom end of the support bracket 1 on the lining purlin 4 of the roof deck 3;

[0040] S2: placing hot melt material on both sides of the cross-shaped head of the support bracket 1, and installing the metal panel above the roof deck 3, so that the side edges of the adjacent metal panels are overlapped at the cross-shaped head of the support bracket 1;

[0041] S3: hot melt edge locking of the overlapped part of the adjacent metal panels, and the hot melt adhesive 5 formed by the hot melt of the hot melt material is filled between the metal panel and the cross-shaped head of the support bracket 1 to lock and fix the side edges of the adjacent metal panels.

[0042] The construction method of the embodiment can further include laying a filling layer above the roof deck 3 before step S2. In addition, the construction method can further include longitudinally arranging rubber bars 6 at the gaps between the filling layer, the support bracket 1 and the metal roof 2 after laying the filling layer.

[0043] Specifically, laying the filling layer can include laying an insulation layer 7 on the roof deck 3 first, and then laying a waterproof and air-permeable vapor barrier 8 on the insulation layer 7.

[0044] In the embodiment, laying the insulation layer 7 can include opening positioning holes in the insulation material layer, laying a plurality of insulation material layers on the roof deck 3, arranging the support bracket 1 in the positioning holes of the insulation material layer during laying, inserting small pieces of insulation material into the gaps between the positioning holes and the support bracket 1, overlapping adjacent insulation material layers, and anchoring and fixing the ends and edges of the insulation material layer on the roof deck 3.

[0045] Next, the construction steps of the embodiment are described in detail as follows.

[0046] 1. The support bracket 1 is fixed on the lining purlin 4 by using self-tapping screws 9.

[0047] 2. The insulation material layer is laid on the roof deck 3, and the positioning holes are opened in the insulation material layer according to the position and spacing of the support bracket 1. The diameter of the positioning holes is slightly larger than the size of the support bracket 1. After the insulation material layer is laid, small pieces of insulation material prepared in advance are inserted into the gaps between the positioning holes and the support bracket 1.

[0048] 3. The adjacent two layers of insulation material layers are overlapped, the overlap joints are staggered, and the ends and edges of the insulation material layer are anchored by using special tools.

[0049] 4. After the insulation layer 7 is laid, the waterproof and air-permeable vapor barrier 8 is laid in time.

[0050] 5. After the waterproof and air-permeable vapor barrier 8 is constructed, the rubber bars 6 made of polyvinyl chloride are longitudinally arranged on both sides of the lower part of the support bracket 1, so that the gaps between the adjacent metal panels are fully filled.

[0051] 6. Solid asphalt-based sealing waterproof materials are placed on both sides of the cross-shaped head of the metal panel as hot melt materials.

[0052] 7. The metal panel is installed from bottom to top, a rope is pulled at the eaves as a control line for the metal panel extending into the eaves to ensure that the metal panel extends out of the eaves flush. The first metal panel is installed and fixed, and the second metal panel is installed by pressing into the overlap edge of the previous panel.

[0053] 8. After the position of the metal panel is adjusted, the metal panel overlap position that needs to be hot-melted is manually checked and arranged.

[0054] 9. After the hot-melted position is confirmed, the hot-melted waterproof locking machine is used to perform hot-melted locking.

[0055] The construction method of the embodiment places the solid asphalt sealing waterproof material and other hot-melted materials on the left and right sides of the cross-shaped head of the support bracket 1, and arranges the side edges of the adjacent metal panels at the cross-shaped head of the support bracket 1. After the hot-melted waterproof locking machine is used to perform hot-melted locking, the hot-melted material forms hot-melted glue 5 to densely fill between the metal panel and the support bracket 1, so that the support bracket 1 and the metal roof 2 can form a good overall structure, and the roof leakage and other hidden dangers are well avoided. In addition, the flexible node engagement formed by the hot-melted glue 5 locking and fixing is not easy to damage the metal panel, thereby significantly improving the wind resistance and waterproofness of the roof.

[0056] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A metal roof edge locking system, characterized in that, The support bracket has a cross-shaped head, the bottom end of the support bracket is fixed on the lining purlin of the roof bottom plate, the metal roof comprises a plurality of metal panels arranged above the roof bottom plate, the side edges of adjacent metal panels are overlapped at the cross-shaped head of the support bracket, hot melt adhesive is filled between the metal panel and the cross-shaped head of the support bracket, the side edges of adjacent metal panels are fixed by hot melt adhesive locking, a gap is arranged between the roof bottom plate and the metal roof, a filling layer is arranged at the gap between the roof bottom plate and the metal roof, rubber rods are arranged in the gaps between the filling layer, the support bracket and the metal roof, and the filling layer comprises a thermal insulation layer and a waterproof and breathable vapor barrier layer arranged above the roof bottom plate in sequence.

2. The metal roof edge system according to claim 1, wherein, Positioning holes are arranged on the thermal insulation layer, the support bracket is arranged in the positioning holes of the thermal insulation layer, and small blocks of thermal insulation material are arranged in the gaps between the positioning holes and the support bracket.

3. The metal roof edge system according to claim 1, wherein, The thermal insulation layer is composed of a plurality of thermal insulation material layers that are overlapped with each other, and the end portions and the edges of the thermal insulation material layers are anchored and fixed on the roof bottom plate.

4. A method of installing a metal roof edge system as claimed in any one of claims 1 to 3, characterised in that, The method comprises the following steps: S1: fixing the bottom end of the support bracket on the lining purlin of the roof bottom plate, laying the filling layer above the roof bottom plate, and arranging the rubber rods in the gaps between the filling layer, the support bracket and the metal roof, wherein laying the filling layer comprises: laying the thermal insulation layer on the roof bottom plate first, and then laying the waterproof and breathable vapor barrier layer on the thermal insulation layer; S2: placing hot melt material on both sides of the cross-shaped head of the support bracket, and installing the metal panel above the roof bottom plate so that the side edges of adjacent metal panels are overlapped at the cross-shaped head of the support bracket; S3: hot melt locking is performed on the overlapped portions of adjacent metal panels, and the hot melt adhesive formed by the hot melt material is filled between the metal panel and the cross-shaped head of the support bracket to fix the side edges of adjacent metal panels by locking.

5. The construction method according to claim 4, characterized in that, The thermal insulation layer is laid by: arranging positioning holes on the thermal insulation material layer, laying a plurality of thermal insulation material layers on the roof bottom plate, arranging the support bracket in the positioning holes of the thermal insulation material layer when laying, and arranging small blocks of thermal insulation material in the gaps between the positioning holes and the support bracket, overlapping adjacent thermal insulation material layers, and anchoring and fixing the end portions and the edges of the thermal insulation material layers on the roof bottom plate.

Citation Information

Patent Citations

  • Metallic roof with waterproof structure and manufacturing method thereof

    CN102134893A

  • Anti-typhoon and anti-leakage metal roof system

    CN108590007A

  • Metal roof edge locking system

    CN215858641U