M-D Building Products 0.5 in. x 20 ft. Gray Foam Backer Rod ...
The 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.
Backer Rods - Support for Sealing Projects | Lowe's
Prepare joints and gaps with backer rods designed to improve sealant performance. Whether used for caulking concrete, expansion joints, or gaps around windows and doors, these flexible foam rods …
Armacell 1" Closed Cell Backer Rod/Crack Filler (25 ft)
Nov 18, 2019 · 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 …
30 ft. Gray Foam Backer Rod for Small 3/8 in. Gaps and Joints
The Climaloc 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.
0.625 in. x 20 ft. Gray Foam Backer Rod Weatherstrip for Large Gaps …
The 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.
EPDM Backer Rod 1/4", Closed-Cell Foam Caulk Saver for Expansion …
Dec 10, 2025 · Reliable Gap Filler and Joint Support for Long-Lasting Sealing This 1/4-inch EPDM backer rod is designed for professionals, homeowners, and DIY users who need a dependable …
M-D Building Products 3/8-inch x 20-ft. Gap & Joint Filler Backer Rod ...
The 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.
Backer Rod Foam Gap Filler Crack Filler for Concrete Repair Caulk …
The foam backer rod is not only a substitute of caulk saver, but also easy to use. Simply cut the backer rod to the length you need, insert it into the gap, and gently press it into place for a tight, secure fit. …
Sika 3/4 in. x 20 ft. Closed Cell Backer Rod, Expansion Joint ...
Sika Backer Rod is used to partially fill deep expansion joints and cracks before application of your sealant. It helps prevent 3-sided adhesion while allowing you to control the depth of the sealant.
Foam Backer Rod for Gaps Concrete Crack Filler Joints Foam Gap Filler ...
May 20, 2024 · This flexible and soft foam gap filler will fill cracks adequately. This concrete filler foam rod is soft enough to compress, but firm enough to fill a seal tightly.