Frost King Mortite Gray Silicone Caulking Cord For Gaps and Openings 45 ft. L X 0.12 in.

Mortite is the original name in Do-It-Yourself fingertip caulking and it’s still famous for its quality and versatility and ease of use. Sure, Mortite Weatherstrip and Caulking Cord will seal windows effectively. But it’s also widely used as a gasketing material, sound deadener insect barrier, crack filler and all-around plugger-upper.For use with wood, plastic, metal, masonry, glass and concrete,Use to fill cracks around windows or doors, fill 1/4 in. gap,Forms weatherproof seal on porous and non-porous surfaces,No caulking gun needed just press in place with your fingrertips,Won’t harden so it seals tight, yet can be easily removed,Seals 3 average windows,Use indoors or outdoor