Rockwool sandwich panel 1)anti-rust 2)fireproof,keep warm 3)environmental protection 4)high-strength, ... good overall effect, it sets the bearing, thermal insulation, fireproof, waterproof in one, and no two decoration, is a widely used ... exterior wall, workers temporary quarters, supermarket, cold storage, activity board room, buildings plus layer, purification plant. Maintenance, decorative building ...