Architectural Asphalt Shingles

Canplas, manufacturer of Duraflo ventilation products, has over 50 years of plastics manufacturing experience.

Duraflo has earned an industry-wide reputation for reliable and easy-to-install roof ventilation products, including tall vents, ridge vents, and the industry leading WeatherPRO series of roof vents. In addition to high-performance roof vents, Duraflo also offers a full product line that includes roof flashings, ridge rolls, exhaust vents, siding accessories, soffits, and gable vents. 

For homeowners, Duraflo ventilation products are designed to extend the life of shingles, protect attics from weather infiltration and to look aesthetically pleasing on the home’s exterior. 

VELUX is the world leader in skylights, Sun Tunnels and roof windows and is one of the strongest global brands in the building materials sector.  For over 75 years, the VELUX Group has created better living environments for people around the world. Making the most of daylight and fresh air through the roof. Our product programme includes The No Leak Skylight, Sun Tunnel skylights, roof windows and modular skylights as well as a range of blinds, installation solutions and intelligent home controls. These products help to ensure a healthy and sustainable indoor climate; for work and learning, for play and pleasure. VELUX is ranked #1 world-wide by customers, dealers and industry professionals.  

With over 50 years of manufacturing expertise, Gentek® Building Products has earned a reputation for superior products and impeccable customer service. They are one of the few brands that offer complete lines of vinyl, aluminum and steel siding, soffit systems and trim accessories, as well as residential and light commercial windows. 

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.