About

As a coast-to-coast distributor of premium exterior building products, Mitten serves as the link between architects, builders and installers, providing an endless variety of business and design solutions. Our Canadian-made vinyl siding has the largest and boldest colour pallet in the industry and our colour matched aluminum, steel siding, shake, stone, and accessories provide the perfect complements and finishing touches to any project.

Mitten is proud to be part of the Cornerstone Building Brands family—North America’s #1 manufacturer of vinyl, windows, doors, and metal accessories. As a trusted leader of exterior building products, with an expansive national footprint, Cornerstone Building Brands is dedicated to efficiently and effectively meeting the needs of customers and communities.