Backer Rod 3/8" x 20' #MD 71464
Fill gaps and joints quickly with this 3/8" x 20' backer rod. Designed for contractors, it provides a solid surface for caulking and helps ensure a professional finish on every project.
Ideal for large gaps and openings, this backer rod prevents drafts and reduces the amount of sealant needed, making caulking projects faster, cleaner, and more efficient.
Why Contractors Choose It
🛠 Provides a solid backing surface for caulking applications.
💨 Fills large gaps and openings to prevent air and water infiltration.
⚡ Reduces sealant use while improving joint performance.
🏗 Flexible and easy to compress for a snug fit in a variety of gaps and joints.
How To Use
1. Measure the gap or joint where caulking is needed.
2. Compress and insert the 3/8" backer rod into the gap.
3. Apply caulk over the backer rod for a smooth, even finish.
4. Trim excess backer rod as needed for a clean installation.
Product Details
Size: 3/8" diameter x 20' length
Use: Fills gaps and provides backing for caulking
Model: MD 71464
⚠️ California Proposition 65 Warning: This product can expose you to chemicals used in the manufacturing of the backer rod, which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov.