About Mitten Building Products
Mitten is proud to be part of the Cornerstone Building Brands family - North America’s
#1 manufacturer of windows, vinyl siding 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.
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, shake, stone, and accessories provide the perfect complements and
finishing touches to any project.