... , warehouse, steel structure house, workshop, work plant, airport, cold storage, mobile house, etc. Specification: Surface Texture and AppearanceSmall wave, ... Flat, Embossment, Big ribThickness of steel plate0.5-0.8mmHeat Insulating MaterialPU( ... Burning Height)≤15≤250Deimension stability ≤1%≤4%ASTM pu sandwich panel for wall