With the improvement of living standards, people have higher requirements for home decoration, not only to be beautiful and comfortable, but also to have the characteristics of heat insulation and waterproof. So what are the external wall insulation materials on the market? What are the advantages and disadvantages? Next, the editor will take everyone to understand!
1. What are the external wall insulation materials-grid cloth
Mesh cloth is also called glass fiber mesh cloth, which mainly uses medium-alkali or non-alkali glass fiber mesh as the substrate, and then forms a new type of alkali-resistant product after being dried by coating with acrylic acid copolymer solution. It has a stable structure, high strength, good alkali resistance, and simple and fast construction. It is mainly suitable for the use of cement, gypsum and wall buildings.
2. What are the external wall insulation materials-phenolic resin foam material
Phenolic foam material is a new generation of heat insulation and sound insulation material, which is made of foamed thermosetting phenolic resin. It has the characteristics of light weight and fire resistance, but it is not easy to shrink and embrittlement at low temperature. Since phenolic has a benzene ring structure, it is dimensionally stable and has a small rate of change. Freon is not used as a foaming agent in the production of foam, which fully complies with international environmental protection standards, and is particularly suitable for cold storage, cold storage cold storage, petrochemical equipment, and external wall insulation. Compared with inorganic materials, phenolic foam materials will become a strong competitor in the insulation material industry.
3. What are the external wall insulation materials-foamed cement insulation materials
Foamed cement was the first material used in Germany and was introduced to China in 1980. The foaming agent is fully foamed mechanically by the foaming machine, and the foam and the cement slurry are evenly mixed, and then cast by the foaming machine's pump to form. It can form closed foam holes in the concrete, so that the concrete has a good thermal insulation effect. Coupled with the low cost of foamed cement insulation materials. Therefore, construction projects in China are widely used.
How to choose external wall insulation materials :
1. Temperature environment
It is best to choose insulation materials according to the local climate and temperature. For example, in the northern regions, winter is relatively cold, so it is better to choose some insulation materials. The benzene board is a good choice for turbidity, and for the south with small temperature differences, choose vitrification Microbead insulation mortar is sufficient.
2. Thermal conductivity
In the case of the same thermal insulation, it is recommended to choose the thermal insulation material with the smallest thermal conductivity, which not only facilitates construction, but also occupies space.
3. Stability
It is best to choose insulation materials with good chemical stability. At the same time, if it is the insulation material of the external wall, it is recommended to choose the insulation material with a lower thermal resistance per unit.
4. Mechanical strength
External wall insulation materials also need to have a certain load bearing capacity to resist external collisions.
Conclusion: The above is the relevant content of the external wall insulation materials introduced to you, I hope to bring help to friends in need. If you need to know more related knowledge in the later period, please pay attention to the information on this website.
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