1/2 Backer Rod (25 ft section)
+3

1/2 Backer Rod (25 ft section)

bac1/2-25
$6.99
In stock
1
Product Details

Backer rod is important when sealing large gaps. It allows caulk to span a gap without ripping loose. In the example above backer rod is used where the radon pipe enters the floor before caulk is applied.

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