CRL Black 777 Butyl Rubber Sealant

CRL 777 Butyl Rubber Sealant is a top choice for those seeking a reliable, butyl-based sealant with exceptional adhesion and long-lasting weather resistance.
This unique product is formulated with age-resistant polymers, ensuring superior performance in various temperature extremes, and is perfect for exterior applications on surfaces like wood, masonry, glass, concrete, and metal.
With an excellent service temperature range of -20° to 200°F, CRL 777 offers easy application and a quick 24-hour paint time, making it ideal for areas like under sill cans, thresholds, and aluminum siding.
Please note, this sealant is not recommended for horizontal decks, patios, or window glazing applications.
For further limitations and additional information, refer to the product's Specification Data Sheet.