CRL 777 Butyl Rubber Sealant - 11 Fluid Ounce Cartridge

CRL 777 butyl rubber sealant consists of a butyl based polymer formula that repels weather extremes and will last for many years. When applied to a clean surface, this butyl caulk offers excellent adhesion and will hold up to joint movement +/-10% without affecting its sealing ability and resistance to water penetration. This brand of rubber sealant contains a unique ultraviolet fighting agent which provides outstanding longevity. This product is recommended for exterior applications and provides an excellent contact with wood, masonry, metal surfaces and glass. Applications in hidden areas around sills, thresholds, screw heads, between metal panels, wall mounted air conditioners, and beneath aluminum siding. soffit, facia and gutters, to name a few, are all excellent locations for butyl rubber sealants. Apply in temperatures between 0 and 120 Degrees F. The service temperature range is between -20 and 200 Degrees F. CRL 777 butyl rubber sealant is not recommended for use in sealing horizontal decks, patios, driveways or terrace joints where abrasion or physical abuse is encountered. CRL 777 butyl rubber sealant is not recommended for use in window glazing applications or hidden joint details, which require a non-skinning, non-hardening sealant. CRL 777 has a solvent based curing system. A slight odor of mineral spirits will be detected during application which is quite normal. Do not use CRL 777 butyl rubber sealant where this odor may be objectionable, such as refrigeration units that will be stocked soon after construction. Check cartridge label and Specification Data Sheet for additional limitations.