Sashco 3/8 In. x 100 Ft. Gray Backer Rod Essick Air or other liquid finishes

or other liquid finishes

and most exterior surfaces including aluminum

hose and tool repair

Steel screw makes cutter adjustable for thickness of cut

Class 1 Fire rating

Sashco 3/8 In. x 100 Ft. Gray Backer Rod Essick Air or other liquid finishesMakes professional joints that last. Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement. Caulking adheres to the sides of the joint, but not to the filler rope, which allows the caulking to stretch and compress without tearing or pulling away thus extending the caulk's life and effectiveness. Made of closed cell poly foam. Minimum R value of 2. 5 inch. Color: Gray.