For more than 100 years, engineers, owners and contractors have depended on the quality and reliability of Foster® products. Since 1909, Foster® has earned a well-deserved reputation as a developer and supplier of high-quality adhesives, sealants and coatings for the industrial and commercial construction industries.

Foster® has a comprehensive accessory product line to serve the needs of the HVAC industry. From duct sealants to adhesives to closure mastics, we make the products that contractors and owners depend on to ensure a long-lasting, high-quality installation.