CRL Bronze Smooth Polyurethane Construction Sealant - Cartridge

CRL M64 Modified Polyurethane Construction Sealant offers a superior one-part, moisture-curing formula with primerless adhesion on most common construction surfaces, including KYNAR® coated metals.
As an AAMA approved and VOC compliant product, this eco-friendly sealant is UV resistant and non-yellowing, providing long-lasting durability and flexibility for moving joints in concrete, masonry, and metal applications.
Ideal for storefront and curtain wall installations, CRL M64 ensures a watertight seal between framing and building structures while offering excellent adhesion to fluoropolymer paint coatings.
This versatile sealant is compatible with insulating glass sealants and is suitable for exterior and interior applications, providing reliable performance even in extreme temperatures ranging from -75°F to 300°F.