Foster® 81-84™ Cellular Glass and Urethane Adhesive/Sealant can be used as both an attachment adhesive and joint sealant in low temperature installations using cellular glass, polystyrene, or rigid board stock polyurethane foam insulations. It contains no asphalt and can be top coated with solvent-based products without bleed through.

Cellular Glass and Urethane Adhesive/Sealant contains no asbestos, lead, mercury, or mercury compounds.