CN220301548U - Thin plastering heat preservation system for outer wall - Google Patents
Thin plastering heat preservation system for outer wall Download PDFInfo
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- CN220301548U CN220301548U CN202321567504.2U CN202321567504U CN220301548U CN 220301548 U CN220301548 U CN 220301548U CN 202321567504 U CN202321567504 U CN 202321567504U CN 220301548 U CN220301548 U CN 220301548U
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- 238000004321 preservation Methods 0.000 title claims abstract description 93
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 57
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 239000004964 aerogel Substances 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 80
- 238000005336 cracking Methods 0.000 claims description 34
- 239000003365 glass fiber Substances 0.000 claims description 22
- 239000003513 alkali Substances 0.000 claims description 19
- 239000002585 base Substances 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 22
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Abstract
The utility model discloses an outer wall plastering heat preservation system, which comprises a base layer wall body, wherein a plane is arranged on the base layer wall body; the heat preservation part is arranged on the base layer wall body and comprises a first heat preservation surface vertically spliced by a plurality of first heat preservation layers and a second heat preservation surface vertically spliced by a plurality of second heat preservation layers; the first heat preservation layer is arranged on the plane of the base layer wall body through a first plastic expansion anchor bolt, and the first heat preservation surface and the plane and the first heat preservation surface and the second heat preservation layer are bonded through bonding mortar; the first heat preservation layer and the second heat preservation layer are made of a plurality of aerogel heat insulation plates in a staggered joint bonding mode, and supporting pieces are arranged at gaps between adjacent first heat preservation layers and gaps between adjacent second heat preservation layers on the same horizontal plane; the crack-resistant part is arranged on the outer wall of the second heat-insulating surface. The utility model can reduce occupied area, improve fire grade and weather resistance, and ensure construction quality while facilitating construction.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to an external wall plastering heat preservation system.
Background
Along with the continuous development of the building industry, the heat preservation of the building outer wall is widely applied, but due to the good and uneven performance of heat preservation materials, each construction team is not standard, the total thickness of the building wall is thicker, the using area is affected, and due to low bonding strength, the construction is easy to break, accidents such as fire, hollowing and falling occur, and the problems of indoor and outdoor through seams, heat preservation effect influence and the like exist in single-layer heat preservation construction. Aiming at the current situation, a thin plastering heat preservation system of an external wall heat preservation material with less occupied area, high fireproof grade, high weather resistance and guaranteed construction quality is lacking at present.
Disclosure of Invention
The utility model aims to provide an external wall thin plastering heat preservation system which solves the problems existing in the prior art, and has the advantages of small occupied area, high fireproof level, high weather resistance, convenience in construction and guaranteed construction quality.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides an external wall plastering heat preservation system, comprising:
the base layer wall body is provided with a plane finding surface;
the heat preservation part is arranged on the base wall body and comprises a first heat preservation surface vertically spliced by a plurality of first heat preservation layers and a second heat preservation surface vertically spliced by a plurality of second heat preservation layers; the first heat preservation layer is arranged on the plane of the base layer wall body through a first plastic expansion anchor bolt, and the first heat preservation surface and the leveling surface and the first heat preservation surface and the second heat preservation surface are bonded through bonding mortar; the first heat preservation layer and the second heat preservation layer are made of a plurality of aerogel heat insulation plates in a staggered joint bonding mode, and supporting pieces are arranged at gaps between the adjacent first heat preservation layers and gaps between the adjacent second heat preservation layers on the same horizontal plane;
and the crack-resistant part is arranged on the outer wall of the second heat-insulating surface.
Preferably, the support piece comprises a heat-insulating support piece, the cross section of the heat-insulating support piece is of an L-shaped structure, the heat-insulating support piece is fixedly connected to the plane through bolts, the bolts sequentially penetrate through the plane and the base wall, the heat-insulating support piece penetrates through the gap between the adjacent two first heat-insulating layers and the gap between the adjacent two second heat-insulating layers, and the top surface of the heat-insulating support piece is in butt joint with the bottom surfaces of the first heat-insulating layers and the second heat-insulating layers.
Preferably, a waterproof vapor barrier film is adhered to the outer wall of the gap between two adjacent second heat insulation layers, and the width of the waterproof vapor barrier film is not less than 100mm.
Preferably, the anti-cracking part comprises bottom anti-cracking plastering mortar, middle anti-cracking plastering mortar, surface anti-cracking plastering mortar and alkali-resistant flexible putty which are sequentially arranged on the outer wall of the second heat preservation surface, and alkali-resistant glass fiber gridding cloth is arranged between the bottom anti-cracking plastering mortar and the middle anti-cracking plastering mortar and between the middle anti-cracking plastering mortar and the surface anti-cracking plastering mortar.
Preferably, the alkali-resistant glass fiber mesh cloth positioned between the bottom anti-cracking plastering mortar and the middle anti-cracking plastering mortar is fixedly connected to the bottom anti-cracking plastering mortar through a second plastic expansion anchor bolt.
Preferably, the alkali-resistant flexible putty outer layer is provided with a decorative surface layer.
Preferably, the leveling surface comprises a mortar leveling layer, the mortar leveling layer is arranged on the base wall, and an interface agent is arranged between the bonding mortar on one side of the first heat-preserving surface and the mortar leveling layer.
The utility model discloses the following technical effects: the first heat preservation layer and the second heat preservation layer are made of aerogel heat insulation boards or aerogel heat insulation boards with the thickness not smaller than 10mm, so that the whole external wall plastering heat preservation system has the advantages of A-level fire prevention, good heat preservation performance, small occupied area and good weather resistance. The bearing piece that sets up in the clearance of every interval 6m of first heat preservation and second heat preservation perpendicular to ground direction, realizes the bearing effect. The utility model uses the A-level fireproof aerogel heat-insulating board as the heat-insulating layer, solves the inflammability problem of organic materials, and solves the problems of high heat conductivity coefficient, poor heat-insulating performance, high water absorption and poor weather resistance of inorganic materials.
Drawings
For a clearer description of an embodiment of the utility model or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic diagram of an exterior wall plastering insulation system;
FIG. 2 is an enlarged view of a portion of A1 of FIG. 1;
FIG. 3 is an enlarged view of a portion of A2 of FIG. 1;
FIG. 4 is a construction flow chart of the present utility model;
1, a base layer wall body; 2. a mortar leveling layer; 3. an interfacial agent; 4. bonding mortar; 5. a first heat-retaining layer; 6. bottom anti-cracking plastering mortar; 7. middle layer crack-resistant plastering mortar; 8. surface layer crack-resistant plastering mortar; 9. alkali-resistant flexible putty; 10. a decorative surface layer; 11. a first plastic expansion anchor; 12. a second plastic expansion anchor; 13. alkali-resistant glass fiber mesh cloth; 14. a heat-insulating support; 15. waterproof vapor barrier film; 16. and a second heat-insulating layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-4, the present utility model provides an exterior wall plastering insulation system comprising:
the base layer wall body 1, the base layer wall body 1 is provided with a plane finding surface;
the heat preservation part is arranged on the base layer wall body 1 and comprises a first heat preservation surface vertically spliced by a plurality of first heat preservation layers 5 and a second heat preservation surface vertically spliced by a plurality of second heat preservation layers 16; the first heat preservation layer 5 is arranged on the plane of the base layer wall body 1 through a first plastic expansion anchor 11, and the first heat preservation surface and the plane and the first heat preservation surface and the second heat preservation surface are bonded through bonding mortar 4; the first heat preservation layer 5 and the second heat preservation layer 16 are made of a plurality of aerogel heat insulation plates by staggered joint bonding, and supporting pieces are arranged at the gaps between the adjacent first heat preservation layers 5 and the gaps between the adjacent second heat preservation layers 16 on the same horizontal plane;
the crack-resistant part is arranged on the outer wall of the second heat-insulating surface.
The first heat preservation layer 5 and the second heat preservation layer 16 are made of aerogel heat insulation plates or aerogel heat insulation plates with the thickness not smaller than 10mm, so that the whole external wall thin plastering heat preservation system has the advantages of A-level fire prevention, good heat preservation performance, small occupied area and good weather resistance. The bearing piece that sets up in the every interval gap of 6m of the direction of first heat preservation 5 and second heat preservation 16 perpendicular to bottom surface, realizes the bearing effect. The utility model uses the A-level fireproof aerogel heat-insulating board as the heat-insulating layer, solves the inflammability problem of organic materials, and solves the problems of high heat conductivity coefficient, poor heat-insulating performance, high water absorption and poor weather resistance of inorganic materials.
Further optimizing scheme, the bearing piece includes heat preservation support piece 14, and heat preservation support piece 14 cross section is L structure, and through the bolt fastening on looking for the plane on the heat preservation support piece 14, and the bolt runs through in proper order and looks for plane and basic unit's wall body 1, and heat preservation support piece 14 runs through clearance department between two adjacent first heat preservation 5 and clearance between two adjacent second heat preservation 16, and the top surface of heat preservation support piece 14 and first heat preservation 5 and the butt of second heat preservation 16 bottom surface.
According to a further optimization scheme, waterproof steam-blocking films 15 are adhered to the outer walls of the gaps between two adjacent second heat-insulating layers 16, and the width of each waterproof steam-blocking film 15 is not smaller than 100mm.
According to a further optimization scheme, the anti-cracking part comprises bottom anti-cracking plastering mortar 6, middle anti-cracking plastering mortar 7, surface anti-cracking plastering mortar 8 and alkali-resistant flexible putty 9 which are sequentially arranged on the outer wall of the second heat-insulating surface, and alkali-resistant glass fiber mesh cloth 13 is arranged between the bottom anti-cracking plastering mortar 6 and the middle anti-cracking plastering mortar 7 and between the middle anti-cracking plastering mortar 7 and the surface anti-cracking plastering mortar 8.
In a further optimized scheme, an alkali-resistant glass fiber mesh cloth 13 positioned between the bottom anti-cracking plastering mortar 6 and the middle anti-cracking plastering mortar 7 is fixedly connected to the bottom anti-cracking plastering mortar 6 through a second plastic expansion anchor bolt 12.
Further optimizing scheme, the outer layer of the alkali-resistant flexible putty 9 is provided with a decorative surface layer 10.
In a further optimized scheme, the leveling surface comprises a mortar leveling layer 2, the mortar leveling layer 2 is arranged on the base wall 1, and an interface agent 3 is arranged between the bonding mortar 4 positioned on one side of the first heat preservation surface and the mortar leveling layer 2.
The interfacial agent 3 is a special interfacial agent 3.
The construction period and the construction completion of the utility model are within 24 hours, and the environmental temperature is 5-35 ℃. The wind power can not exceed 5 grades when the aerogel heat insulation plate is adhered. Meanwhile, in order to ensure construction quality, the construction surface is prevented from being irradiated for a long time, and sun-proof cloth can be erected on the construction scaffold if necessary. During construction in rainy season, effective measures should be taken to prevent the wall surface from being washed by rain water, and construction is suspended if necessary.
The construction process of the utility model comprises the following steps:
base layer cleaning: the base wall 1 is guaranteed to be free of dust, oil stains and dirt; leveling the convex part with the diameter of more than or equal to 5 mm; the pipelines extending out of the wall surface, the equipment connecting pieces, the window frames, the embedded parts and the like are all installed;
brushing interface agent 3: and (3) construction is performed according to the product requirement, and brushing is not needed to be omitted.
Spring control line, mounting support piece: the specification of the thermal insulation support 14 is 70-35-3-200; the heat-insulating support 14 adopts 8 x 80 heat-insulating expansion bolts; the ejecting support is provided with a control line; the distance between each heat-insulating support piece 14 is not more than 6m; the distance between the left and right adjacent heat-insulating supports 14 is less than or equal to 650mm, and each first heat-insulating layer 5 and each second heat-insulating layer 16 are at least supported by 2 heat-insulating supports 14.
Sticking a turned glass fiber net and a door and window connecting strip: the binding position of the ladle glass fiber web is at the closing-in positions of the lower opening of the door and the window, parapet wall and the like; the width of the ladle glass fiber web is the thickness of the heat preservation layer plus 200mm; the pasting width of the ladle glass fiber web is more than or equal to 100mm; the pasting positions of the door and window connecting strips are the upper, left and right sides of the door and window, and the size of the pasting positions from the outer opening of the door and window is determined according to the actual design.
Pasting a first-layer aerogel insulation board:
1) The female and male corners and the periphery of the door and window opening are fully adhered, and the rest parts are adhered by a strip (the strip width is about 30mm, the thickness is less than or equal to 10mm, and the strip spacing is about 10 mm), so that the effective adhesive area is not less than 70%.
2) The adjacent plates should be spread and stuck in the upper and lower staggered joint, the staggered joint is not smaller than 200mm, the internal corner and the external corner should be left with a 'joint', and the external corner is extended without adhesive.
3) When one plate is stuck, the adjacent plate surfaces are flattened by using a guiding rule, the flatness is checked at any time, and no head collision ash exists between the plates.
4) The short side dimension of the aerogel plate is not less than 300mm.
5) The seam is beyond 2mm and needs to be sealed by foaming glue, and the maximum seam is not more than 5mm and is forbidden to be filled with mortar.
6) The four corners of the door and window opening are cut by the whole plate, and the seam distance of the plate from the opening is not smaller than 200mm.
7) The deformation joint should not be covered.
8) When the wall surface is provided with the embedded part, the corresponding part of the heat insulation board is cut, and the cutting size is not more than 2mm of the whole size of the connecting piece. And sealing the gaps and the gaps by using flame-retardant foaming adhesive, and trimming.
9) After the initial setting of the adhesive mortar 4, a pre-hole with the diameter of 8mm is drilled at the central position of each heat-insulating plate, and the heat-insulating plates are fixed by using heat-insulating anchor bolts with the diameter of 8 x 95mm (without installing a pressure-expanding disc).
Sticking two layers of aerogel heat insulation plates:
1) And (3) completing the construction of the first layer of aerogel plate for 24 hours, and performing after the experience is qualified.
2) The technical requirement is 1-8 of the first layer, and the first layer is paved and pasted with the staggered joint, and the staggered joint is not less than 300mm.
3) The through seam generated at the heat preservation support piece 14 is sealed by using a self-adhesive waterproof steam barrier film 15, the film width is more than or equal to 100mm, the single-side bonding span is not less than 45mm, and the lap joint width is not less than 100mm during lap joint.
4) The waterproof vapor barrier film 15 should be adhered flat, firm, wrinkle-free, leakage-free, and breakage-free.
Coating mortar and alkali-resistant glass fiber mesh cloth 13:
1) And after the heat preservation layer is pasted for 24 hours, checking and accepting are carried out. The construction thickness is 2-3mm. And meanwhile, pressing the ladle glass fiber web into the plastering mortar. And additionally paving 400mm or 200mm alkali-resistant glass fiber net at the corner of the door and window opening along the 45-degree direction.
2) The glass fiber meshes are spliced. The large-surface glass fiber net is positioned on the upper layer of the ladle glass fiber net.
Installing a heat preservation anchor bolt:
1) And after the previous procedure is finished for 24 hours, the experience is qualified.
2) The diameter of the pre-hole is 8mm, and the depth is 10mm larger than the anchoring depth.
3) The well-shaped or quincuncial shapes are uniformly distributed, and the distance dimension is more than or equal to 150 and less than or equal to 200; the anchoring quantity is more than or equal to 8 per square meter. The heat preservation anchor bolt buckle cap is installed in place, and an expanding disc with the diameter of 140mm is required to be installed.
4) The screw-in anchor bolt is prohibited from being installed in a knocking manner.
Coating mortar and alkali-resistant glass fiber mesh cloth 13:
1) Construction thickness: 2-3mm.
2) Pressing in large alkali-resistant glass fiber mesh cloth 13, overlapping between glass fiber meshes, and overlapping width: and the diameter is more than or equal to 100mm.
3) The external and internal corners and the easy-to-collide edge parts should be reinforced by using the corner net.
3) The corner net is overlapped with the large-surface glass fiber net and is positioned at the lower layer of the large-surface glass fiber net.
Bao Madi three-pass plastering mortar:
1) And after the previous procedure is finished for 24 hours, the experience is qualified.
2) Thickness: 1mm-2mm. The wall surface leveling is carried out by using a 2m guiding rule, and the flatness is not more than 4mm.
And (5) plastering alkali-resistant flexible putty 9 and installing a decorative surface layer to finish construction.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. An exterior wall plastering insulation system, comprising:
the base layer wall body (1), wherein the base layer wall body (1) is provided with a plane finding surface;
the heat preservation part is arranged on the base layer wall body (1) and comprises a first heat preservation surface vertically spliced by a plurality of first heat preservation layers (5) and a second heat preservation surface vertically spliced by a plurality of second heat preservation layers (16); the first heat preservation layer (5) is arranged on the plane of the base layer wall body (1) through a first plastic expansion anchor bolt (11), and the first heat preservation surface and the plane of the base layer wall body and the first heat preservation surface and the second heat preservation surface are bonded through bonding mortar (4); the first heat preservation layer (5) and the second heat preservation layer (16) are made of a plurality of aerogel heat insulation plates by means of staggered joint bonding, and supporting pieces are arranged at the gaps between the adjacent first heat preservation layers (5) and the gaps between the adjacent second heat preservation layers (16) on the same horizontal plane;
and the crack-resistant part is arranged on the outer wall of the second heat-insulating surface.
2. The exterior wall plastering insulation system according to claim 1, wherein: the bearing piece comprises a heat-insulating support piece (14), the cross section of the heat-insulating support piece (14) is of an L-shaped structure, the heat-insulating support piece (14) is fixedly connected with the plane through bolts, the bolts sequentially penetrate through the plane and the base layer wall body (1), the heat-insulating support piece (14) penetrates through the adjacent two gaps between the first heat-insulating layers (5) and the adjacent two gaps between the second heat-insulating layers (16), and the top surface of the heat-insulating support piece (14) is in butt joint with the bottom surfaces of the first heat-insulating layers (5) and the second heat-insulating layers (16).
3. The exterior wall plastering insulation system according to claim 1, wherein: and a waterproof steam barrier film (15) is adhered to the outer wall of the gap between two adjacent second heat insulation layers (16), and the width of the waterproof steam barrier film (15) is not less than 100mm.
4. The exterior wall plastering insulation system according to claim 1, wherein: the anti-cracking part comprises bottom anti-cracking plastering mortar (6), middle anti-cracking plastering mortar (7), surface anti-cracking plastering mortar (8) and alkali-resistant flexible putty (9) which are sequentially arranged on the outer wall of the second heat-insulating surface, and alkali-resistant glass fiber grid cloth (13) is arranged between the bottom anti-cracking plastering mortar (6) and the middle anti-cracking plastering mortar (7) and between the middle anti-cracking plastering mortar (7) and the surface anti-cracking plastering mortar (8).
5. The exterior wall plastering insulation system according to claim 4, wherein: the alkali-resistant glass fiber mesh cloth (13) positioned between the bottom anti-cracking plastering mortar (6) and the middle anti-cracking plastering mortar (7) is fixedly connected to the bottom anti-cracking plastering mortar (6) through a second plastic expansion anchor bolt (12).
6. The exterior wall plastering insulation system according to claim 4, wherein: the outer layer of the alkali-resistant flexible putty (9) is provided with a decorative surface layer (10).
7. The exterior wall plastering insulation system according to claim 1, wherein: the leveling surface comprises a mortar leveling layer (2), the mortar leveling layer (2) is arranged on the base layer wall body (1), and an interface agent (3) is arranged between the bonding mortar (4) on one side of the first heat preservation surface and the mortar leveling layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321567504.2U CN220301548U (en) | 2023-06-19 | 2023-06-19 | Thin plastering heat preservation system for outer wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321567504.2U CN220301548U (en) | 2023-06-19 | 2023-06-19 | Thin plastering heat preservation system for outer wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220301548U true CN220301548U (en) | 2024-01-05 |
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ID=89374030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321567504.2U Active CN220301548U (en) | 2023-06-19 | 2023-06-19 | Thin plastering heat preservation system for outer wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220301548U (en) |
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2023
- 2023-06-19 CN CN202321567504.2U patent/CN220301548U/en active Active
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