Roof panels are made of sandwich panels with 3 waves on the surface to lead the rain water to the gutters, it's widely used as the roof of factories, warehosues, and many other steel structure buildings, it can be made with 50mm/75mm/100mm/150mm/200mm, and core materials can be rock wool, glass wool, as well as PU foaming core. please contact Eamil: andrew@ for more information or free samples.
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