CertainTeed Corporation is North America's largest manufacturer of vinyl siding. For eleven years in a row, independent surveys have identified CertainTeed as the number one choice of architects, designers, builders, and remodelers.

Besides vinyl, CertainTeed's product line offers consumers an impressive variety of siding products that includes polymer shake and shingle siding and fiber cement siding in a variety of colors, styles, and finishes. In fact, CertainTeed claims to have the broadest selection of colors in the industry and was the first to introduce darker shades.