CRL M66 Dark Bronze Polyurethane Construction Sealant - M66BRZ

Product Overview CRL M66 is a high-performance, one-part, moisture-curing, gun-grade modified polyurethane sealant that provides exceptional adhesion without the need for a primer on most construction surfaces. It is durable, flexible, and designed for use in moving joints, offering outstanding performance. This advanced sealant is AAMA approved, VOC compliant (only nine g/L), UV resistant, and non-yellowing. It is specially formulated to outperform traditional VOC solvent polyurethanes for sealing moving joints in concrete, masonry, metal, and other basic perimeter joint applications. It is ideal for securing watertight installations in storefront and curtain wall applications, ensuring excellent adhesion to various surfaces. CRL M66 is designed for both exterior and interior use and can withstand temperatures ranging from -75°F to 300°F (-59 to 149°C). It also offers a fast cure time and is paintable after only two hours with water-based paints. The sealant's light grainy texture is