Product Parameters Thickness: 1.3mm. (Customized) Surface Treatment: RAL9003 gelcoat, Fiberglass Content: 50~70%. Fiberglass Type: Fiberglass cloth. Resin Type: Unsaturated polyester. Applications: Wall panels for RVs and trucks. Category: GRP Sheets Get a Quote Related products Quick View Quick View GRP Sheets1.25mm Epoxy ResinEpoxy Resin GRP Sheets Quick View Quick View GRP Sheets1.5mm White High Gloss GRP Sheets for RV Siding Quick View Quick View GRP Sheets3.6mm Flat GRP Sheets for RV Siding Panels Quick View Quick View GRP Sheets1.1mm Multi-axial Fiber Cloth GRP Sheets