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CertainTeed Launches New RoofRunner® AIR Breathable Roof Underlayment

(MISSISSAUGA, ON)CertainTeed®, a leading North American manufacturer of sustainable building materials, is proud to announce the addition of RoofRunner® AIR to its line of innovative roofing products to the Canadian market. RoofRunner AIR is a breathable synthetic roof underlayment with a multilayer coated structure that promotes rapid roof deck drying. 

Created with both contractors and homeowners in mind, RoofRunner AIR was designed with unique permeable layers that allow moisture to pass through to help prevent mold, rot, and structural damage overtime. The product is made for use on roof decks as a water-resistant layer beneath asphalt roofing shingles, helping to maintain a dry and healthy roof deck. In comparison to other offerings in the marketplace, RoofRunner AIR has a flexible grip to the deck, helping to reduce the chance for fastener pulls as installers maneuver on the roof during shingle installation. 

“At CertainTeed, we are passionate in developing innovative solutions that contribute to the overall durability and sustainability of a home,” said Julie Short, Market Manager at CertainTeed. “When combined with proper attic ventilation, breathable underlayments like RoofRunner AIR can aid the longevity and integrity of the roofing system. CertainTeed’s industry leading portfolio of roofing products allow peace of mind for both the contractor and homeowner.” 

Contractors are able to easily and safely install a full CertainTeed roofing system that meets code specification requirements. This breathable underlayment has 4-layers for optimal durability, but is still a lighter weight synthetic at 35 lbs (16 kgs) per roll. RoofRunner AIR is backed by a limited lifetime warranty. 

RoofRunner AIR recently launched at the The 9th Annual Saint-Gobain Architectural Symposium, an exclusive event offering relevant Continuing Education Units, product information, demonstrations and thought leadership to the Canadian architectural and design community. 

RoofRunner AIR is currently available in all Canadian provinces. Check with your local distributor for availability. For more information about CertainTeed’s RoofRunner AIR offering, visit


About CertainTeed

Through the responsible development of innovative and sustainable building products, CertainTeed, headquartered in Malvern, Pennsylvania, has helped shape the building products industry for more than 110 years. Founded in 1904 as General Roofing Manufacturing Company, the firm’s slogan “Quality Made Certain, Satisfaction Guaranteed,” inspired the name CertainTeed. Today, CertainTeed is a leading North American brand of exterior and interior building products, including roofing, siding, solar, fence, decking, railing, trim, insulation, drywall and ceilings.

A subsidiary of Saint-Gobain, one of the world’s largest and oldest building products companies, CertainTeed has more than 6,900 employees and more than 60 manufacturing facilities throughout the United States and Canada. The group had total sales of approximately $4.1 billion in 2019.


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