Heat insulation & preservation brick Fq-4 polystyrene solar light absorbing and heat insulation & preservation brick is a sound insulation, resist to acid alkali, innocuity, without corrupt and pollution, and fireproofing environmental protection product. It possesses advantages of competitive price f= easy to apply, examine and repair, durability , save time and work. It's specification is 250mmf-250mmf-40mm. It has three parts ·ª light absorbing &slide resistance layer, protection layer , decoration layer, make the whole roof has heat insulation and beautification effects Caton
