Which of them is flame retardant? Which price is expensive, which effect is good? Which good construction? More
Color steel plate sandwich panels can not be bent, it is surrounded by a fixed keel, can not bend! It works on the plane!
Core thickness: 75mm, the general sales that 75 and 50 type, that is the thickness of the core material, corrugated height is not calculated. Like your company with the material is 50-type corrugated sandwich panels, or that 50mm thick corrugated sandwich panels.
So this material is the best choice for building insulation