Caulk Backer Rod, 1/2 in x 20 ft
- 20-foot length provides extensive coverage for large projects
- 1/2-inch diameter fits standard gaps for optimal sealing
- Reduces caulk usage by filling gaps efficiently
- Trusted M-D brand quality ensures durable, long-lasting performance
- Flexible foam rod improves caulk adhesion and finish
Description
This 1/2 inch x 20 foot foam backer rod is designed to fill large gaps and joints before applying caulk or sealant. It helps control sealant depth, improves adhesion, and reduces the amount of caulk needed for a proper seal. Ideal for expansion joints, window and door gaps, siding joints, and concrete cracks, backer rod creates a professional, long-lasting seal when used with compatible sealants.
Specifications
M-D
Caulk & Sealant
.png)