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Building outer wall protection and decoration structure and application and construction technology

A technology for decorative structures and building exterior walls, which is applied to building components, building structures, buildings, etc. It can solve the problems of easy cracking of the external wall insulation structure, falling off the structural layer, and long construction period, so as to simplify the construction process and improve the compactness. Sexuality and the effect of improving construction efficiency

Pending Publication Date: 2021-11-30
河北金铎建设工程有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the defects in the prior art that the external wall insulation structure is easy to crack, hollow, fall off, and the structural layer is complicated, the process is cumbersome, and the construction period is long, so as to provide a protective decoration for the external wall of the building. Structure and application, construction technology

Method used

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  • Building outer wall protection and decoration structure and application and construction technology
  • Building outer wall protection and decoration structure and application and construction technology
  • Building outer wall protection and decoration structure and application and construction technology

Examples

Experimental program
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Embodiment 1

[0070] This embodiment provides a kind of thin plaster exterior wall thermal insulation system, such as figure 1 As shown, outside the base wall body 1, a bonding layer 2, an insulating layer 3, a protective layer 4, a decorative layer 6 and a finish paint 7 are sequentially arranged; the protective layer 4 is provided with a grid cloth 5;

[0071] Wherein, the gelling materials of the protective layer 4 and the decorative layer 6 are inorganic gelling materials,

[0072] The indentation ratio of the protective layer 4 is ≤2.8, the area water absorption is ≤250g / ㎡, and the water vapor permeation wet flux density is ≥3.0[g / m 2 h];

[0073] The compressive strength of the decorative layer 6 is ≥ 40MPa, the area water absorption is ≤ 160g / ㎡, the mass water absorption is ≤ 3%, and the water vapor permeation wet flow density is ≥ 2.0 [g / m 2 h].

[0074] Specifically, the thickness of the adhesive layer can be 3-8mm. In this embodiment, the thickness of the adhesive layer is 5mm,...

Embodiment 3

[0077] Cement (model 42.5) 250kg, sand 650kg, mineral filler (specific surface area 5000cm 2 / g) 100kg, high molecular polymer 30kg, admixture 5kg; wherein, the particle size in the sand is 40-70 mesh: the sand mass ratio of 70-140 mesh is 1:3; In the mineral filler, heavy calcium carbonate, talcum powder, Light calcium carbonate, the mass ratio of gypsum is 4:2:1:2; redispersible latex powder (5044N model) in polymer, polyvinyl alcohol (2488 cold-melt type) 3:2; Hydroxyethyl cellulose ether (model MH300P2), starch ether (model KH6), water-repellent agent (model P750), water reducing agent (model 5731F), and the mass ratio of nano-sodium silicate is 2:0.5:1:2: 0.1.

[0078] The components of the dry material for the thermal insulation wall protection layer are mixed uniformly, and then mixed with water to obtain the product.

[0079] The thickness of the decorative layer is 3 mm, prepared from decorative layer mortar, including water and decorative layer dry material, and th...

Embodiment 2

[0086] This embodiment provides a kind of thin plaster exterior wall thermal insulation system, such as figure 1 As shown, outside the base wall body 1, a bonding layer 2, an insulating layer 3, a protective layer 4, a decorative layer 6 and a finish paint 7 are sequentially arranged; the protective layer 4 is provided with a grid cloth 5;

[0087] Wherein, the gelling materials of the protective layer 4 and the decorative layer 6 are inorganic gelling materials,

[0088] The folding ratio of the protective layer 4 is ≤2.8, the impact resistance is above 6J level, the area water absorption is ≤250g / ㎡, and the water vapor permeation wet flow density is ≥3.0[g / m 2 h];

[0089] The compressive strength of the decorative layer 6 is ≥ 40MPa, the area water absorption is ≤ 160g / ㎡, the mass water absorption is ≤ 3%, and the water vapor permeation wet flow density is ≥ 2.0 [g / m 2 h].

[0090] Specifically, in this embodiment, the thickness of the bonding layer is 6mm, and it is com...

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Abstract

The invention belongs to the technical field of building construction methods, and particularly relates to a building outer wall protective and decorative structure and an application and construction technology. According to the building outer wall protective and decorative structure and the application and construction technology, by selecting a protective layer and the decorative layer, the protective layer is used for replacing a plastering layer and a putty layer in the prior art, the original putty layer is omitted, various properties and the service life of an external wall insulation structure are not affected, and the service life of the external wall insulation structure is prolonged to the same as that of a building from the original 25 years. According to the building outer wall protection and decoration structure and the application and construction technology, the construction process is greatly simplified, the construction efficiency is improved, and meanwhile the cost is reduced. In addition, the components of the decorative layer and the components of the protective layer have the same attribute, so that the problems of hollowing, falling, cracking and the like caused by large performance differences of linear shrinkage coefficients, hygrothermal expansion coefficients and the like of all layers of materials in the direction perpendicular to a thermal insulation layer are solved; the compactness and hydrophobicity of a facing layer and the protective layer are improved, meanwhile, the strength of the facing layer is improved, damage of rainwater erosion to the protective layer and the decorative layer is reduced, and the durability of the protective layer and the decorative layer is improved.

Description

technical field [0001] The invention belongs to the technical field of building construction methods, and in particular relates to a protective decoration structure for building exterior walls and its application and construction technology. Background technique [0002] Building thermal insulation is an important aspect of saving energy, improving the living environment and using functions. With the application of external wall insulation technology in practical projects, the problems of external wall insulation are gradually exposed. Existing external wall insulation panels are gradually improving their durability, aesthetics and other characteristics while paying attention to the insulation effect. For example, due to the influence of solar radiation, rain erosion, alternating hot and cold temperatures and other factors, the surface of the finish layer will fade, the paint will peel, the protective layer will crack, rain will penetrate, and the external insulation system...

Claims

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Application Information

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IPC IPC(8): E04F13/02E04F13/04E04B1/76E04B1/80C04B28/00C04B28/04C04B28/06
CPCE04F13/02E04F13/047E04B1/76E04B1/762E04B1/80C04B28/00C04B28/04C04B28/06C04B2111/00612C04B14/06C04B2103/0057C04B24/2623C04B14/28C04B14/042C04B14/365C04B24/383C04B24/38C04B2103/65C04B2103/302C04B12/04C04B18/141C04B18/146C04B18/08C04B2103/50C04B24/06C04B14/308Y02A30/244
Inventor 马国栋郝建江杨佳李幸展孟辉江陈占虎谢红岳巍李洋石红娟郭亚飞王康安宁
Owner 河北金铎建设工程有限公司
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