External wall insulation stress release, dehumidification and ventilation treatment method and structure

Abstract

The present invention discloses a stress release, dehumidification and ventilation treatment method for external wall insulation, comprising the following steps: step 1: marking the position of setting the stress release seam; step 2: reserving or cutting the stress release seam at the elastic line mark, the depth of the stress release seam reaches part of the insulation layer or the external wall base wall; step 3: installing a foam rod in the stress release seam; step 4: installing a lower component in the stress release seam; step 5: installing an upper component in the stress release seam, so that a tortuous ventilation channel that is deformed by releasing stress is formed between the upper and lower components; step 6: filling the gap between the upper and lower components with sealant, and at the same time setting a ventilation hole at the connection between the sealant and the lower component, the ventilation hole connects the ventilation channel with the outside; step 7: pasting waterproof tape on the upper and lower components and the sealant; step 8: performing surface decoration. The present invention also discloses a stress release, dehumidification and ventilation treatment structure for external wall insulation.

Description

Technical Field

[0001] The present invention belongs to the field of building energy conservation, humidity control technology and exterior wall repair, and more specifically, relates to an exterior wall insulation stress release, dehumidification and ventilation treatment method and structure. Background Art

[0002] If there is no insulation layer in residential and underground spaces, the heat or cold loss in the space will be serious, which will not only waste energy but also reduce the comfort of personnel. Since the energy crisis, developed countries abroad have paid considerable attention to this issue. Insulation layers have been used in many building spaces to reduce the energy consumption of building enclosures and improve the comfort of personnel. However, it has been a long time since the mandatory energy conservation in residences began in China, and external wall insulation has been widely used. The external wall insulation structure is composed of various insulation systems, including mortar layer, insulation layer, anchor bolt, anti-crack protective layer and finishing layer. The performance of each layer of the insulation system is very different. The finishing layer and anti-crack protective layer will expand and contract under the temperature difference, which is easy to cause cracking and leakage of the insulation system. Rainwater enters the insulation system, the insulation effect is reduced or invalid, and the water vaporization and freeze-thaw cycle will cause harm to other structures, causing the finishing layer and anti-crack protective layer to be delaminated and bulged, the mortar will fail, and the insulation system will fall off, which will directly affect the safety of personnel and property losses, the energy-saving effect of the building, and will cause indoor mildew, affecting the living and health of personnel. In order to eliminate the safety hazards such as cracking, leakage, reduced insulation effect, delamination and bulging of the finishing layer and anti-crack protective layer, insulation system falling off, indoor condensation and mildew, and improve the living comfort. For this reason, the external wall insulation should be equipped with dehumidification, grid stress release, ventilation to reduce the temperature difference of the layer to eliminate condensation and multifunctional stress release grid joints.

[0003] At present, there are safety hazards such as cracking, leakage, reduced insulation effect, delamination and bulging of the finishing layer and anti-cracking protective layer, shedding of the insulation system, and indoor condensation and mildew in the exterior wall insulation layer. Summary of the invention

[0004] One of the technical problems to be solved by the present invention is to provide a stress-releasing, dehumidifying and ventilating treatment method for exterior wall insulation, which can eliminate the safety hazards such as cracking, leakage, reduced insulation effect, delamination and bulging of the finishing layer and the anti-cracking protective layer, shedding of the insulation system, indoor condensation and mildew, and improve living comfort.

[0005] One of the technical problems to be solved by the present invention is to provide an exterior wall insulation stress release, dehumidification and ventilation treatment structure for the problems existing in the existing exterior wall insulation system, which can eliminate the safety hazards such as cracking, leakage, reduced insulation effect, delamination and bulging of the finishing layer and the anti-cracking protective layer, shedding of the insulation system, indoor condensation and mildew, and improve the living comfort.

[0006] As a first aspect of the present invention, a method for relieving stress, dehumidifying and ventilating an exterior wall thermal insulation comprises the following steps:

[0007] Step 1: Mark the location of the stress relief joint by marking lines on the exterior wall base or the exterior wall finishing layer; the stress relief joint is set in a manner that one stress relief joint is set on each floor in the horizontal direction or one stress relief joint is set on no more than two floors;

[0008] Step 2: reserve or cut a stress relief seam at the marked position, the depth of which reaches part of the insulation layer or the base wall of the exterior wall;

[0009] Step 3: Install the foam rod in the stress relief joint;

[0010] Step 4: Install the lower member in the stress relief joint;

[0011] Step 5: Install an upper component in the stress release gap, so that a tortuous ventilation channel deformed by releasing stress is formed between the upper and lower components;

[0012] Step 6: Paste waterproof tape on the upper outer vertical portion and the straight portion of the upper member and the lower outer vertical portion and the inclined portion of the lower member;

[0013] Step 7: Fill the gap between the upper and lower components with sealant, and set a ventilation hole at the connection between the sealant and the lower component, wherein the ventilation hole connects the ventilation channel with the outside;

[0014] Step 8: Perform surface decoration.

[0015] As a second aspect of the present invention, an exterior wall thermal insulation stress release, dehumidification and ventilation treatment structure comprises:

[0016] A stress relief joint is set horizontally on each floor or no more than two floors;

[0017] A foam rod filled in the stress relief gap;

[0018] The upper and lower components are installed in the stress release seam, and a tortuous ventilation channel that is deformed by releasing stress is formed between the upper and lower components; the ventilation channel can discharge moisture in the external wall insulation system to the outside, but external rainwater cannot enter the internal part of the external wall insulation system;

[0019] A sealant is filled in the gap between the upper component and the lower component, and a ventilation hole is arranged at the connection between the sealant and the lower component, and the ventilation hole connects the ventilation channel with the outside.

[0020] In a preferred embodiment of the present invention, it also includes pasting waterproof tape on the upper and lower components and the sealant.

[0021] In a preferred embodiment of the present invention, the upper member has an upper outer vertical portion, an upper straight portion and an upper inner vertical portion, the upper outer vertical portion in the upper member is connected to the upper inner vertical portion through the straight portion, the upper outer vertical portion in the upper member is attached to the outer surface of the exterior wall insulation, the straight portion in the upper member extends into the stress release joint, and the upper inner vertical portion in the upper member is located in the stress release joint; the lower member has a lower outer vertical portion, an inclined portion and a lower inner vertical portion, the lower outer vertical portion in the lower member is connected to the lower inner vertical portion through the inclined portion, and the lower outer vertical portion in the lower member is attached to the exterior wall insulation On the outer surface, the inclined portion in the lower member extends into the stress release seam, and the upper inner vertical portion in the lower member is located at the stress release seam; wherein the position where the inclined portion is connected to the lower inner vertical portion is higher than the position where the inclined portion is connected to the lower outer vertical portion; the lower inner vertical portion is located on the inner side of the upper inner vertical portion and a first ventilation channel is left between the two; the highest end of the lower inner vertical portion is spaced a distance from the bottom surface of the exterior wall insulation to form a second ventilation channel; the second ventilation channel is connected to the first ventilation channel; thus, rainwater is prevented from entering the exterior wall insulation system on rainy days due to high wind and water pressure;

[0022] The sealant is sealed between the straight portion and the inclined portion, and the ventilation hole is provided at the connection between the sealant and the inclined portion, and the ventilation hole is connected to the first ventilation channel.

[0023] In a preferred embodiment of the present invention, the lower part of the upper inner vertical part of the upper member is higher than the inclined part of the lower member, and there is a gap in between, which connects the ventilation hole and the first ventilation channel to facilitate the release of stress deformation, moisture discharge and ventilation.

[0024] In a preferred embodiment of the present invention, the position of the highest end of the lower inner vertical portion is higher than or equal to the position of the upper straight portion.

[0025] In a preferred embodiment of the present invention, holes are provided on the upper outer vertical portion and the lower outer vertical portion, or concave-convex lines are provided along the left-right extension direction of the stress release seam to facilitate pasting with the wall decoration layer.

[0026] In a preferred embodiment of the present invention, non-curing self-adhesive tape is provided on the straight portion, upper outer vertical portion of the upper member and the inclined portion, lower outer vertical portion of the lower member to facilitate bonding with the exterior wall insulation board and prevent rainwater from entering the inner side of the upper and lower members from the upper portion of the upper member and the lower portion of the lower member.

[0027] Due to the adoption of the above technical scheme, the present invention has the following advantages: effectively controlling cracking and leakage, maintaining the thermal insulation and energy-saving effects, preventing the occurrence of hidden dangers such as delamination and bulging of the finishing layer and the anti-cracking protective layer, shedding of the thermal insulation system, and indoor condensation and mildew, thereby improving living comfort.

[0028] The stress release seam provided in the present invention is used to release the stress generated by the thermal expansion and contraction of the external wall insulation system. The stress release seam is also a channel for removing moisture from the external wall insulation system, and also prevents the indoor heating in winter. The hot air penetrates outward through the wall, the temperature drops rapidly, and condensation and ice are not generated at the temperature difference. The insulation system will not be damaged by freezing and thawing, and the water vapor cannot escape due to the airtightness of the insulation system, causing indoor mildew. At the same time, the water vapor leaked due to local cracks in the external wall insulation system can be removed, thereby improving the insulation and energy-saving effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the dehumidification treatment structure of the exterior wall insulation board of the utility model.

[0030] Figure 2 for Figure 1 An enlarged schematic diagram of point I. DETAILED DESCRIPTION

[0031] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0032] See also Figure 1 and Figure 2 The present invention provides a method for releasing stress, dehumidifying and ventilating an exterior wall thermal insulation, comprising the following steps:

[0033] Step 1: Mark the location of the stress relief joint 30 by drawing lines on the exterior wall base 20 or the exterior wall finishing layer 110; the stress relief joint 30 is arranged in a manner that one stress relief joint 30 is arranged on each floor in the horizontal direction or one stress relief joint 30 is arranged on no more than two floors;

[0034] Step 2: Reserving or cutting a stress relief seam 30 at the marked position, the depth of the stress relief seam 30 reaches part of the insulation layer 10 or the base wall 20 of the exterior wall;

[0035] Step 3: Install the foam rod 40 in the stress release seam 30; the foam rod 40 is pressed into an elliptical shape, so that when ventilation occurs, moisture in the humid air will be absorbed by the foam rod 40.

[0036] Step 4: Install the lower member 60 in the stress relief gap 30;

[0037] Step 5: Install the upper member 50 in the stress release seam 30 to form a tortuous ventilation channel between the upper member 50 and the lower member 60 that is deformed by releasing stress;

[0038] Step 6: Paste waterproof tape on the upper outer vertical portion 51 and the straight portion 52 of the upper member 50 and the lower outer vertical portion 61 and the inclined portion 62 of the lower member 60;

[0039] Step 7: Fill the gap between the upper member 50 and the lower member 60 with sealant 90, and set a ventilation hole 100 at the connection between the sealant 90 and the lower member 60, so that the ventilation channel is connected to the outside;

[0040] Step 8: Perform surface decoration.

[0041] The exterior wall insulation stress release, dehumidification and ventilation treatment structure formed by the above method includes a foam rod 40 filled in the stress release gap 30 of the insulation layer 10 and an upper component 50 and a lower component 60.

[0042] The outer diameter of the foam rod 40 is Φ22 mm, and the width of the stress release slit 30 in the insulation layer 10 is 15 mm. After the foam rod 40 is inserted into the stress release slit 30, the foam rod 40 is pressed into an elliptical shape, so that when ventilation is performed, moisture in the humid air will be absorbed by the foam rod 40. In addition, the foam rod 40 is used to prevent rainwater from entering during the construction stage and to support the upper and lower insulation layers for moisture removal and ventilation.

[0043] The upper member 50 has an upper outer vertical portion 51, a straight portion 52 and an upper inner vertical portion 53. The upper outer vertical portion 51 is connected to the upper inner vertical portion 53 through the straight portion 52. Non-curing self-adhesive tape (not shown in the figure) is provided on the surface of the upper outer vertical portion 51 and the straight portion 52 to facilitate the bonding of the upper member 50 with the insulation layer 10 and prevent rainwater from entering the inner side of the upper member 50 and the lower member 60 from the upper part of the upper member 50.

[0044] The straight portion 52 in the upper member 50 extends into the stress release slit 30 of the thermal insulation layer 10, and the upper inner vertical portion 53 in the upper member 50 is located in the stress release slit 30 of the thermal insulation layer 10. A hole (not shown in the figure) is provided on the upper outer vertical portion 51 or a concave-convex line (not shown in the figure) is provided along the left and right extension direction of the stress release slit 30 to facilitate pasting with the wall decoration layer.

[0045] The lower component 60 has a lower outer vertical portion 61, an inclined portion 62 and a lower inner vertical portion 63. The lower outer vertical portion 61 is connected to the lower inner vertical portion 63 through the inclined portion 62. The inclined portion 62 and the lower outer vertical portion 61 of the lower component 60 are provided with non-curing self-adhesive tape (not shown in the figure) to facilitate the bonding of the lower component 60 with the insulation layer 10 and prevent rainwater from entering the inner side of the upper component 50 and the lower component 60 from the lower part of the lower component 60.

[0046] The inclined portion 62 in the lower member 60 extends into the stress release slit 30 of the thermal insulation layer 10, and the lower inner vertical portion 63 in the lower member 60 is located in the stress release slit 30 of the thermal insulation layer 10; wherein the position where the inclined portion 62 is connected to the lower inner vertical portion 63 is higher than the position where the inclined portion 62 is connected to the lower outer vertical portion 61; this facilitates the outflow of condensed water. A hole (not shown in the figure) is provided on the lower outer vertical portion 61 or a concave-convex line (not shown in the figure) is provided along the left and right extension direction of the stress release slit 30, so as to facilitate the pasting with the wall decoration layer.

[0047] The lower inner vertical portion 63 is located on the inner side of the upper inner vertical portion 53 and a first ventilation channel 70 is left between the two; the highest end of the lower inner vertical portion 63 is spaced a distance from the top surface of the stress release seam 30 to form a second ventilation channel 80; the second ventilation channel 80 is connected to the first ventilation channel 70; the position of the highest end of the lower inner vertical portion 63 is higher than or equal to the position of the upper straight portion 52.

[0048] The lower part of the upper inner vertical part 53 of the upper member 50 is higher than the inclined part 62 of the lower member 60, and there is a gap between them. A sealant 90 is sealed between the straight part 52 and the inclined part 62, and a ventilation hole 100 is provided at the connection between the sealant 90 and the inclined part 62. The ventilation hole 100 is connected to the first ventilation channel 70 through the gap, so as to release stress deformation, dehumidify and ventilate.

[0049] A sealant 90 is sealed between the straight portion 52 and the inclined portion 62 . A ventilation hole 100 is provided at the connection between the sealant 90 and the inclined portion 62 . The ventilation hole 100 is communicated with the first ventilation channel 70 .

[0050] The stress release seam 30 provided in the present invention is used to release the stress generated by the thermal expansion and contraction of the external wall insulation system. The stress release seam 30 is also a channel for removing moisture from the external wall insulation system, and also prevents the indoor heating in winter, the hot air from penetrating outward through the wall, the temperature drops rapidly, and ice is not formed at the temperature difference, and the insulation system will not be damaged by freezing and thawing, nor will the indoor mildew be caused by the airtightness of the insulation system and the water vapor cannot be discharged. At the same time, the water vapor leaked due to the local cracking of the external wall insulation system can be removed, and the insulation and energy-saving effect can be improved.

Claims

1. A method for releasing stress, dehumidifying and ventilating an exterior wall thermal insulation, characterized in that: The steps include: Step 1: Mark the location of the stress relief joint by marking lines on the exterior wall base or the exterior wall finishing layer; the stress relief joint is set in a manner that one stress relief joint is set on each floor in the horizontal direction or one stress relief joint is set on no more than two floors; Step 2: reserve or cut a stress relief seam at the marked position, the depth of which reaches part of the insulation layer or the base wall of the exterior wall; Step 3: Install the foam rod in the stress relief joint; Step 4: Install the lower member in the stress relief joint; Step 5: Install an upper component in the stress release gap, so that a tortuous ventilation channel deformed by releasing stress is formed between the upper and lower components; Step 6: Paste waterproof tape on the upper outer vertical portion and the straight portion of the upper member and the lower outer vertical portion and the inclined portion of the lower member; Step 7: Fill the gap between the upper and lower components with sealant, and set a ventilation hole at the connection between the sealant and the lower component, wherein the ventilation hole connects the ventilation channel with the outside; Step 8: Carry out surface decoration.

2. An exterior wall insulation stress release, dehumidification and ventilation treatment structure, characterized in that: include: A stress relief joint is set horizontally on each floor or no more than two floors; A foam rod filled in the stress relief slit; The upper and lower components are installed in the stress release seam, and a tortuous ventilation channel that is deformed by releasing stress is formed between the upper and lower components; the ventilation channel can discharge moisture in the external wall insulation system to the outside, but external rainwater cannot enter the internal part of the external wall insulation system; A sealant is filled in the gap between the upper component and the lower component, and a ventilation hole is arranged at the connection between the sealant and the lower component, and the ventilation hole connects the ventilation channel with the outside.

3. The exterior wall insulation stress release, dehumidification and ventilation treatment structure according to claim 2, characterized in that: The method also includes pasting waterproof tape on the upper and lower components.

4. The exterior wall insulation stress release, dehumidification and ventilation treatment structure according to claim 2, characterized in that: The upper member has an upper outer vertical portion, an upper straight portion and an upper inner vertical portion, the upper outer vertical portion of the upper member is connected to the upper inner vertical portion through the straight portion, the upper outer vertical portion of the upper member is attached to the outer surface of the exterior wall insulation, the straight portion of the upper member extends into the stress release seam, and the upper inner vertical portion of the upper member is located in the stress release seam; the lower member has a lower outer vertical portion, an inclined portion and a lower inner vertical portion, the lower outer vertical portion of the lower member is connected to the lower inner vertical portion through the inclined portion, and the lower outer vertical portion of the lower member is The lower member is attached to the outer surface of the external wall insulation, the inclined portion in the lower member extends into the stress release seam, and the upper inner vertical portion in the lower member is located at the stress release seam; wherein the position where the inclined portion is connected to the lower inner vertical portion is higher than the position where the inclined portion is connected to the lower outer vertical portion; the lower inner vertical portion is located on the inner side of the upper inner vertical portion and a first ventilation channel is left between the two; the highest end of the lower inner vertical portion is spaced a distance from the bottom surface of the external wall insulation to form a second ventilation channel; the second ventilation channel is connected to the first ventilation channel; The sealant is sealed between the straight portion and the inclined portion, and the ventilation hole is provided at the connection between the sealant and the inclined portion, and the ventilation hole is connected to the first ventilation channel.

5. The exterior wall insulation stress release, dehumidification and ventilation treatment structure according to claim 4, characterized in that: The lower part of the upper inner vertical part of the upper component is higher than the inclined part of the lower component, and there is a gap in between, which connects the ventilation hole and the first ventilation channel to facilitate the release of stress deformation, moisture removal and ventilation.

6. The exterior wall insulation stress release, dehumidification and ventilation treatment structure according to claim 4, characterized in that: The position of the highest end of the lower inner vertical portion is higher than or equal to the position of the upper straight portion.

7. The exterior wall insulation stress release, dehumidification and ventilation treatment structure according to claim 4, characterized in that: Holes are provided on the upper outer vertical portion and the lower outer vertical portion, or concave-convex lines are provided along the left-right extension direction of the stress release seam, so as to facilitate pasting with the wall decoration layer.

8. The exterior wall insulation stress release, dehumidification and ventilation treatment structure according to claim 4, characterized in that: The straight part, upper outer vertical part of the upper member and the inclined part, lower outer vertical part of the lower member are all provided with non-curing self-adhesive tape, which is convenient for bonding with the exterior wall insulation board and preventing rainwater from entering the inner side of the upper and lower members from the upper part of the upper member and the lower part of the lower member.

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