be used for the inner wall of clay brick or concrete insulation, can also be used for the outside of the wall insulation. Fourth, GRC insulation board GRC insulation board is made of glass fiber reinforced cement (GRC) surface and efficient insulation materials pre-composite wall insulation with GRC thermal insulation wall panels. Can be made of single or double-sided panels, single-sided insulation materials will be placed in the groove GRC board, double-wall insulation material is sandwiched between the upper and lower two GRC board. GRC insulation board production of raw materials and other requirements of the same GRC board, insulation materials used are mainly PS foam board. GRC insulation board length 550 ~ 900mm, width 450 ~ 600mm; thickness 40 ~ 50mm, which polystyrene board thickness 30 ~ 40mm, GRC surface layer thickness 10mm. External insulation composite wall structure composed of GRC insulation board and main wall composite can include close-coupled type and air-insulated type. V. GRC rockwool wall siding GRC rockwool wall siding is the factory prefabricated GRC wall siding, rock wool board in the field composite to the main wall of a kind of external insulation
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