Entire assembly is ASTM E-84 Class "A" fire rated and tested in accordance to meet IBC and NFPA 101 code requirementFoam bonded to 7/16" oriented strand board (OSB).Entire pad upholstered in heavy 19 oz vinyl.Vinyl with 100-PSI tensile strength with leather-like finishCustom graphic printing and 14 vinyl color optionsMildew and rot resistant.Custom sizes availablecall for more details.5 year limited warranty.