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200-400 square feet / gallon
including the log ends
EPA Approved
Unparalleled UV protection
Backer Rod, 1/2" Roll (1,250 feet) S-100 200-400 square feet / gallon1 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
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