3d vinyl siding exterior wall solar panel

Grade of fire resistance of  3d vinyl siding exterior wall solar panel.At the same time, the fire resistance grade is another index of metal engraved board. The thermal insulation and decoration board of external wall is used as the whole building decoration material. The thermal insulation material with large construction area and no fire resistance is easy to spread in fire. Therefore, we must choose the fire-proof grade high exterior wall insulation decoration body board. Thermal insulation materials are classified into the anti-fire class A insulation material fire resistance performance is better than the other! Class A insulation materials include: rock wool board, foamed ceramic board, cement foaming board, glass foaming board, polyurethane composite board, STP, inorganic vitrified microbead insulation mortar, etc. Class B insulation materials: EPS exterior wall insulation board, XPS exterior wall composite insulation board, rigid foam polyurethane composite insulat…

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