A multi-layer waterproof composite insulation board and a multi-layer waterproof composite insulation board construction method

By incorporating semi-cylindrical strips and a water-absorbing resin structure into the insulation board, the problem of water seepage through transverse gaps was solved, resulting in better sealing and waterproofing performance.

CN111593824BActive Publication Date: 2025-11-04NINGXIA CONSTR INVESTMENT GRP DECORATION ENG CO LTD
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Patent Information

Application Number
CN202010540874.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-06-15
Publication Date
2025-11-04
Estimated Expiration
2040-06-15

AI Technical Summary

Technical Problem

Existing insulation boards are prone to rainwater seepage at horizontal gaps, resulting in poor sealing performance.

Method used

Design a multi-layer waterproof composite insulation board, which adopts a combination structure of semi-cylindrical strips and water-absorbing resin. The semi-cylindrical strips are provided with water inlet holes and filled with water-absorbing resin. The expansion of the water-absorbing resin prevents water from seeping in, and the rubber pads prevent water from seeping through the vertical gaps.

Benefits of technology

It effectively prevents rainwater from seeping in through the horizontal gaps of the insulation board, improves the sealing effect, prevents moisture from entering the wall, and enhances the waterproof performance of the insulation board.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The present application relates to the technical field of insulation board, especially a kind of multilayer waterproof composite insulation board, inorganic composite layer is pasted on the both sides of insulation layer, outer layer of inorganic composite layer is pasted with outer base plate and inner base plate respectively, first waterproof pad and second waterproof pad are pasted on the two corresponding sides of main plate respectively, first sealing pad and second sealing pad are pasted on the outside of first waterproof pad and second waterproof pad respectively, semicylindrical strip is fixed along the length of the outside surface of first waterproof pad, and a plurality of evenly distributed water inlet holes are opened on semicylindrical strip, cavity is opened in semicylindrical strip, a plurality of through holes are opened on first waterproof pad and connected with cavity, water-absorbing filler is filled in cavity, and arc-shaped groove is opened on the outside surface of second sealing pad and matched with semicylindrical strip.The present application is filled with water-absorbing filler in semicylindrical strip, and the water-absorbing expansion characteristics of water-absorbing filler are used to prevent water from entering wall body from the gap of insulation board.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of insulation board, in particular to a multi-layer waterproof composite insulation board and a multi-layer waterproof composite insulation board construction method. BACKGROUND

[0002] The external wall insulation board is divided into many kinds according to its different manufacturing materials, and the common ones are extruded board, polyurethane, glass wool and rock wool, etc. The most important reason for installing the external wall insulation board is to play a role of heat insulation for the building external wall, especially in the northern region, the building external wall basically needs to be installed with the insulation board. The installation of the external wall insulation board can really make the indoor temperature warm in winter and cool in summer, and can greatly reduce the energy consumption of indoor heating and cooling. The installation of the external wall insulation board can also play a role of noise insulation, especially the polyurethane material external wall insulation board, the polyurethane foaming structure has good sound insulation effect, which can effectively reduce the external noise into the room.

[0003] The existing insulation board is not easy to penetrate into the gap after the rainwater hits the vertical gap left between the insulation boards under the action of gravity, and only needs to take appropriate sealing measures; but when the rainwater hits the horizontal gap left between the insulation boards, the rainwater is easy to penetrate into the inside of the insulation along the horizontal gap, and then penetrate into the wall, and only taking general sealing measures is difficult to achieve good sealing effect. SUMMARY

[0004] The purpose of the present application is to solve the problem that water easily penetrates from the gap between the existing insulation boards, and a multi-layer waterproof composite insulation board is provided.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0006] The utility model designs a kind of multilayer waterproof composite insulation board, including the main body board of thermal insulation layer, inorganic composite layer, outer base plate, inner base plate, the thermal insulation layer both sides are pasted with inorganic composite layer, the outer layer of inorganic composite layer is pasted with outer base plate, inner base plate respectively, first waterproof pad, second waterproof pad are pasted on the two corresponding sides of the main body board respectively, the outer side of first waterproof pad, second waterproof pad is pasted with first sealing pad, second sealing pad respectively, and first waterproof pad and first sealing pad, second waterproof pad and second sealing pad are fixed on the main body board respectively by a plurality of screws, the outer side surface of first waterproof pad is fixed with semicylindrical strip along its length, and a plurality of evenly distributed water inlet holes are opened on the semicylindrical strip, cavity is opened in the semicylindrical strip, a plurality of through holes are opened on first waterproof pad and are communicated with cavity, and the cavity is filled with water-absorbing filler, the outer side surface of second sealing pad is opened with the arc slot compatible with semicylindrical strip, and rubber pad is pasted on the other two sides of the main body board.

[0007] Preferably, the thermal insulation layer is a rock wool thermal insulation layer.

[0008] Preferably, the outer surface of the outer base plate is sprayed with a coating, and the coating is a hard polyurethane coating.

[0009] Preferably, the water-absorbing filler is a water-absorbing resin.

[0010] Preferably, the first sealing pad, the semicylindrical strip and the second sealing pad are made of elastic material.

[0011] The utility model also provides a construction method of the multilayer waterproof composite insulation board, which comprises the following steps:

[0012] S1 applies the special adhesive to the back of the inner base plate, and the thickness of the compacted adhesive is about 3 mm;

[0013] S2 pastes the thermal insulation board with the special adhesive on the wall surface, and makes the semicylindrical strip of each thermal insulation board enter the arc slot of the adjacent thermal insulation board;

[0014] S3, after the thermal insulation board is pasted on the wall, a 2-meter straightedge is used to press and flatten the thermal insulation board to ensure that the thermal insulation board is flat and firmly pasted, and the thermal insulation boards are tightly pressed together without any gap;

[0015] S4, after the thermal insulation board is pasted for 8 hours, a hole with a diameter of 10 mm is drilled in the thermal insulation board using an impact drill, and the depth of the hole drilled into the base wall is about 60 mm, then a fixing part is installed, and the depth of the fixing part anchored into the base wall is about 50 mm to ensure that the fixing part is firm and reliable;

[0016] S5, the rough sandpaper is used to polish the uneven joints of the thermal insulation board, and the polishing is a gentle circular motion, and the polishing direction should not be parallel to the joint of the board, and the dust is cleaned immediately after polishing.

[0017] The multi-layer waterproof composite insulation board proposed in this invention has the following advantages: by setting semi-cylindrical strips and filling their internal cavities with water-absorbing resin, when rainwater hits the transverse gaps between the insulation boards, the water seeps into the cavity inside the semi-cylindrical strips through the water inlets on the semi-cylindrical strips. The water-absorbing resin in the cavity absorbs water and expands, thereby supporting the semi-cylindrical strips and making the semi-cylindrical strips fit more tightly with the arc grooves, thus effectively preventing water from seeping in from the transverse gaps between the insulation boards. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a multi-layer waterproof composite insulation board proposed in this invention. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of a multi-layer waterproof composite insulation board proposed in this invention. Figure 2 ;

[0020] Figure 3 This is a cross-sectional structural diagram of a multi-layer waterproof composite insulation board proposed in this invention;

[0021] Figure 4 for Figure 3 A schematic diagram of the partial structure at point A;

[0022] Figure 5 for Figure 3 A schematic diagram of the local structure at point B;

[0023] Figure 6 This is a schematic diagram of the structure of a multi-layer waterproof composite insulation board proposed in this invention, showing the semi-cylindrical strip inserted into an arc-shaped groove.

[0024] In the figure: 1. Insulation layer; 2. Inorganic composite layer; 3. Outer substrate; 4. Inner substrate; 5. Coating; 6. First waterproof gasket; 7. First sealing gasket; 8. Semi-cylindrical strip; 9. Cavity; 10. Through hole; 11. Second waterproof gasket; 12. Second sealing gasket; 13. Arc groove; 14. Rubber gasket; 15. Water-absorbing filler. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0026] Example 1

[0027] Reference Figures 1-6The application discloses a multi-layer waterproof composite insulation board, which comprises a main board composed of an insulation layer 1, an inorganic composite layer 2, an outer base plate 3 and an inner base plate 4, and the insulation layer 1 is a rock wool insulation layer. The rock wool insulation board is made of basalt and other natural minerals as main raw materials, and is prepared through the following steps: melting, adopting an international advanced four-roller centrifugal cotton making process, spinning the basalt rock wool high-temperature melt into non-continuous fibers with a diameter of 4-7 microns, adding a certain amount of binder, dustproof oil and hydrophobic agent into the rock wool fibers, and then performing processes such as sedimentation, solidification and cutting. The rock wool insulation board has good heat insulation and sound insulation capacity. The two sides of the insulation layer 1 are pasted with the inorganic composite layer 2, and the outer layer of the inorganic composite layer 2 is pasted with the outer base plate 3 and the inner base plate 4 respectively.

[0028] The first waterproof pad 6 and the second waterproof pad 11 are respectively pasted on the two corresponding sides of the main board, the outer sides of the first waterproof pad 6 and the second waterproof pad 11 are respectively pasted with the first sealing pad 7 and the second sealing pad 12, and the first waterproof pad 6 and the first sealing pad 7 and the second waterproof pad 11 and the second sealing pad 12 are respectively fixed on the main board through a plurality of screws. A semicylindrical strip 8 is fixed on the outer side surface of the first waterproof pad 6 in a length direction, a plurality of water inlet holes are formed in the semicylindrical strip 8, cavities 9 are formed in the semicylindrical strip 8, a plurality of through holes 10 are formed in the first waterproof pad 6 and are connected with the cavities 9, and the through holes 10 are used for filling water-absorbing fillers. The cavities 9 are filled with water-absorbing fillers 15, and the water-absorbing fillers 15 are water-absorbing resins. The water-absorbing resin is a new type of functional polymer material, and the superabsorbent polymer is a functional polymer material with a large number of hydrophilic groups, which has the function of absorbing several hundred to several thousand times water compared with its own weight.

[0029] An arc-shaped groove 13 matched with the semicylindrical strip 8 is formed in the outer side surface of the second sealing pad 12, and rubber pads 14 are pasted on the other two sides of the main board. The rubber pads 14 can prevent water seepage from occurring in the vertical gaps between the insulation boards. The first sealing pad 7, the semicylindrical strip 8 and the second sealing pad 12 are made of elastic materials. The semicylindrical strip 8 made of elastic materials has good elasticity and can be deformed correspondingly when the water-absorbing resin expands to adapt to the size change of the resin.

[0030] The application further provides a construction method of the multi-layer waterproof composite insulation board, which comprises the following steps.

[0031] S1. applying the special binder to the back of the inner base plate, and compacting the binder to a thickness of about 3 mm;

[0032] S2. pasting the insulation board with the special binder applied thereon on the wall surface, and making the semicylindrical strip of each insulation board clamped into the arc-shaped groove of the adjacent insulation board;

[0033] S3, after the insulation board is pasted on the wall, 2-meter ruler is applied to press flat operation, guarantee that its flatness and paste firm, the board and the board between extrusion is tight, cannot have seam;

[0034] S4, after the insulation board is pasted 8 hours, utilize impact drill and drill hole on the insulation board, hole diameter 10mm, drill into base layer wall body depth is about 60mm, then install fixing piece, and the depth of fixing piece anchor into base layer wall body is about 50mm, to ensure firm and reliable;

[0035] S5, utilize coarse sandpaper to the joint of insulation board uneven place is polished, as gentle circular motion, do not polish along with the board joint parallel direction, polish in time after the float dust is cleaned up with brush.

[0036] In use, the rubber pad 14 of the present invention is arranged along the vertical joint to prevent rainwater from penetrating between the vertical joints by the rubber pad 14 between the insulation boards; when rainwater or moisture enters the horizontal joint between two adjacent insulation boards, the first and second sealing pads 7 and 12 will block a part of the water from penetrating into the joint; if the moisture further penetrates inward, the moisture will enter the gap between the semicircular column 8 and the arc-shaped groove 13, at which time the moisture penetrates into the cavity 9 in the semicircular column 8 through the water inlet on the semicircular column 8, and the water-absorbing resin in the cavity 9 absorbs water and expands, thereby lifting the semicircular column 8 to make the semicircular column 8 fit the arc-shaped groove 13 more tightly and prevent the continuous penetration of moisture.

[0037] Example 2

[0038] Reference Figures 1-6 As another preferred embodiment of the present invention, the difference from example 1 is that the outer surface of the outer substrate 3 is sprayed with a coating 5, and the coating 5 is a hard polyurethane coating.

[0039] Polyurethane has the properties of corrosion resistance, oil resistance, cold resistance, heat insulation, sound absorption, etc., and can be used as thermal insulation materials, anti-leakage materials, sound absorption materials, etc. By spraying a hard polyurethane coating on the outer substrate 3, the present insulation board can obtain better heat insulation, sound absorption, corrosion resistance and waterproof advantages through the heat insulation and sound absorption properties of polyurethane.

[0040] The above is only the preferred specific implementation of the present invention, but the protection scope of the present invention is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present invention within the technical range disclosed by the present invention, which should be covered within the protection scope of the present invention.

Claims

1. A multi-layer waterproof composite insulation board, comprising a main board composed of an insulation layer (1), an inorganic composite layer (2), an outer base plate (3), and an inner base plate (4), characterized in that, The heat preservation layer (1) is adhered with inorganic composite layer (2) on both sides, the outer layer of inorganic composite layer (2) is adhered with outer base plate (3), inner base plate (4) respectively, the two corresponding sides of the main plate are adhered with first waterproof pad (6), second waterproof pad (11) respectively, the outer side of first waterproof pad (6), second waterproof pad (11) is adhered with first sealing pad (7), second sealing pad (12) respectively, and the first waterproof pad (6) and first sealing pad (7), second waterproof pad (11) and second sealing pad (12) are fixed on the main plate by a plurality of screws respectively, the outer side surface of first waterproof pad (6) is fixed with semicylindrical strip (8) along its length, and a plurality of evenly distributed water inlet holes are formed in semicylindrical strip (8), the cavity (9) is formed in semicylindrical strip (8), a plurality of through holes (10) are formed in first waterproof pad (6) and communicated with cavity (9), the cavity (9) is filled with water absorbing filler (15), the outer side surface of second sealing pad (12) is formed with arc-shaped groove (13) matched with semicylindrical strip (8), and rubber pad (14) is adhered on the other two sides of the main plate; The heat preservation layer (1) is a rock wool heat preservation layer; The outer surface of the outer base plate (3) is sprayed with a coating (5), and the coating (5) is a hard polyurethane coating; The water absorbing filler (15) is a water absorbing resin; The first sealing pad (7), semicylindrical strip (8) and second sealing pad (12) are made of elastic material.

Citation Information

Patent Citations

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    CN107816139A

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