The Frost King 1/2 in. x 20 ft. Poly Foam Caulk Saver is designed to reduce the amount of caulk that you need to fill or seal large cracks or openings. It works with most types of caulk and sealant.
- Use behind caulks to fill wide cracks and save on caulk
- Use with most types of caulk and sealant
- Fills 1/2 in. gap
- Vinyl extrusion material
- Moisture repellant