a laminate which is useful as a construction material is disclosed . the laminate has a substrate layer which contains vinyl chloride polymer , a butadiene rubber graft copolymer , and has a superstrate layer which contains vinyl chloride polymer , butylacrylate rubber graft copolymer , and titanium dioxide . the superstrate layer protects the substrate layer from excessive exposure to ultraviolet light , heat and moisture , and thereby protects the substrate layer from weathering during outdoor use of the laminate as a material for siding , gutter systems , downspouts , shutters , window casings , and other exterior outdoor weather exposed building material applications .