Perma-Chink Woodsman Caulking is a high performance, elastic sealant for general use around your log home. It can be used during construction between logs, in butt-joints, around windows and doors, woodwork, eaves, soffits, vents, and expansion joints. Perma-Chink Woodsman cures to form a highly stretchable seal that is UV resistant, water-tight and air-tight. Woodsman Caulking tightly adheres to all material including wood, metal, glass, concrete, brick, masonry, porcelain, tile, marble, plastics. Made in the USA.