Backer Rod 1/2" x 20' #MD 71480
Seal gaps and joints efficiently with this 1/2" x 20' backer rod. Provides a firm surface for caulking and ensures clean, professional results on every project.
Ideal for larger openings, this backer rod fills gaps to prevent drafts and reduces the amount of sealant needed, saving time and material while improving joint performance.
Why Contractors Choose It
🛠 Provides a solid backing for caulking applications.
💨 Fills large gaps and openings to prevent air and water infiltration.
⚡ Reduces sealant use while improving joint durability.
🏗 Flexible and easy to compress for a snug fit in various gaps and joints.
How To Use
1. Measure the joint or gap to be filled.
2. Compress and insert the 1/2" backer rod into the opening.
3. Apply caulk over the backer rod for a smooth, even finish.
4. Trim any excess rod for a clean installation.
Product Details
Size: 1/2" diameter x 20' length
Use: Fills gaps and provides backing for caulking
Model: MD 71480
⚠️ 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.