M-D Building Products Gray Foam Backer Rod for Gaps and Joints Size:350 ft. for 3/8 in. Gaps Pick your preferred blade length

Pick your preferred blade length

Gas – One second of alarm on

-20F - 300F temperature range

Use in DC+ in any position

UV protected

M-D Building Products Gray Foam Backer Rod for Gaps and Joints Size:350 ft. for 3/8 in. Gaps Pick your preferred blade lengthThe M D Backer Rod provides a base for caulking to prevent caulk waste in deeper, larger gaps or joints. Backer rod can also fill gaps to protect the home against drafts, moisture, dust and insects. Can be used in both indoor and outdoor applications. Before installation, cut to desired length by using scissors. Foam gap filler for small gaps and joints Fills gaps and openings to prevent drafts Provides a sound surface for caulking projects Made of