UV Guard Premium Caulk is a professional strength log home sealant that forms a powerful adhesive bond and remains amazingly flexible, water resistant, and weather tight for years. May be used on log home joints, coated or uncoated wood, sheet metal, masonry, stucco, drywall, and painted surfaces. Ideal for caulking windows and door frames, baseboards, molding, siding and trim, corner joints, pipes, and vents. Lifetime limited warranty. Application Temp: Above 40° F. Clean-up: Soap and water. Made in the USA. Technical Data | MSDS