CRL Tan Grainy Textured Polyurethane Construction Sealant - Cartridge

CRL M66 Modified Polyurethane Construction Sealant is a versatile, one-part sealant that offers a grainy textured finish and primerless adhesion on most construction surfaces, including KYNAR® coated metals.
This AAMA-approved sealant is VOC compliant with only 9 g/L and is UV resistant, ensuring it won't yellow over time.
Designed for both exterior and interior use, CRL M66 provides exceptional performance in sealing moving joints in concrete, masonry, metal, and other perimeter applications, making it ideal for storefront and curtain wall installations.
With its eco-friendly, solvent-free formulation, CRL M66 qualifies for LEED® credits, while offering fast curing, paintability within two hours, and compatibility with insulating glass sealants.
For more information, visit [CRL M66](#).