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Building insulation can effectively reduce energy consumption. Traditional exterior wall insulation boards are organic materials, such as extruded plastic boards, phenolic boards, etc., which are easy to burn. In recent years, there have been many major fires due to exterior wall insulation materials.
In response to this situation, the state has issued relevant policies to advocate that the fire rating of external wall insulation materials reach Class A.
Class A fireproof and thermal insulation materials are the future development direction. Main function: to achieve building insulation and fire performance for Class A non-combustible at the same time.
At present, the fireproof insulation board of the external wall of the building mainly includes cement foam insulation board and perlite board. A popular investment project is cement foam insulation board.
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The most used is relative, because there are all kinds of materials, and they all say that they are good, and the foamed cement should be okay!
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The main function is to adjust the indoor temperature and realize the energy saving of the building. For users, there is a more comfortable environment, for the country, to promote emission reduction policies, and for enterprises, building energy efficiency can be discounted.
At present, the most used organic materials, such as polystyrene board and extruded plastic board, but now the state regulations cannot be used, so inorganic materials, such as foamed cement, are about to become mainstream products.
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Mainly: energy-saving thermal insulation. At present, the most used in China is vitrified bead inorganic insulation mortar, but now vitrified bead ore is facing a state of depletion, and it can be used for several years at most.
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1. The exterior wall insulation board is fireproof.
2. The products are mainly made of inorganic materials, with good thermal insulation effect and fire resistance up to A1 level.
3. The product is a non-combustible material, with anti-aging, good ecology, small deformation, perfect combination with the wall base and plastering, safe and stable, is a material that can have the same life as building materials, and meets the requirements of fire isolation of external walls.
The above is a detailed introduction to whether the exterior wall insulation board is fireproof, through the above we know that the external wall insulation board can be fireproof, and its material advantages are very many, and it is a material that is not indispensable for decoration.
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<> exterior wall insulation board is fireproof. Exterior wall insulation board refers to those materials used for building walls, which can be divided into: inorganic insulation board and organic insulation board according to the composition of the insulation board.
According to its fire resistance, it can be divided into three types: A, B1, and B2. For buildings with a height greater than 100m, the flammability of the insulation material should be Class A. For buildings with a height of more than 24m and less than 100m, the use of buildings should not be lower than B2, and if B2 is used, it is necessary to set up a fire isolation zone every two floors.
Buildings with a height of less than 24m should not be lower than B2, and if B2 is used, a fire isolation zone should be set up every three floors.
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Exterior wall insulation board is still relatively common in the construction industry, and it is also a very important material, which can play a good thermal insulation effect, so is the exterior wall insulation board fireproof? Next, let me take you to take a look.
1. As an exterior wall insulation board, it must have a fireproof effect, and different types of exterior wall insulation materials have different fire ratings.
2. The fire rating of phenolic insulation board and rock wool board can reach Class A; The fire rating of polyurethane insulation board and extruded plastic board is class B. In addition to these insulation materials, there are other insulation materials, and the fire protection level is different.
3. When choosing exterior wall insulation materials, you can choose the appropriate insulation materials according to the actual situation, and try to choose a higher fire rating, which will be safer to use.
About the exterior wall insulation board fireproof, it is introduced here, I hope it will be useful to you.
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