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Backer Rod

Made of moisture repellent closed cell foam, it is ideal for filling wall joints or cracks in concrete. It saves expensive caulk.

Backer Rod image

Backer Rod

B21H 077578022970 3/8" diameter x 30 ft long gray
B22H 077578022987 1/2" diameter x 30 ft long gray

Everything you need to become a DIY Expert

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Frost King Fingertip Caulk

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