Frost King 0.375 in x 20 ft. Grey Poly Foam Tape Weatherstrip Caulk Saver

The Thermwell Products 3/8 in. x 20 ft. Caulk Saver reduces the amount of caulk needed to fill or seal large openings. Use to back fill large gaps before applying caulk (caulk sold separately). It is suitable for use with pavement, cracks, wall joints and foundations. Made of resilient closed-cell polyfoam for lasting durability.

• Suitable for use with pavement,cracks,wall joints, foundations
• Compatible with most caulks and sealants
• Made of resilient, closed-cell poly foam for durability