Backer Rod, 1/2" Box (2,500 feet) 1.5 Gallon Tub It is not affected by

It is not affected by ultraviolet rays

Environmentally friendly

easy tooling

After repair with E-Wood

Backer Rod, 1/2" Box (2,500 feet) 1.5 Gallon Tub It is not affected by1 4" Roll (3,200 feet) Backer Rod is extruded closed cell polyethylene rod that is used in cracks, checks and gaps before filling them with sealants such as Perma Chink, Energy Seal and Check Mate 2. Caulk joints should not be more than 3 8 thick and Backer Rod provides a way to fill a deep crevice or gap while maintaining the proper sealant thickness for maximum performance. Backer Rod should also be used in checks over 1 4 wide before applying Check