Cook Siding Supply, Inc.
Western Iowa's Complete Siding Supply Center
Vinyl Siding
Grand Sierra® siding’s unique design features and patented solutions work together to form the ideal siding for extreme climates. This premium panel is engineered for stronger performance and designed for superior resistance of winds up to 190 mph. Grand Sierra also features an exclusive locking system and reinforced nail hem for better stability and .046” thickness for greater strength and good looks year after year. Grand Sierra® is a fully recyclable products.