Sashco Round Pre-Caulking Closed Cell Backer Rod Roll - 550&

Description

Made of closed cell poly foam. Available in gray color. Essential for ideal joint design.Caulking adheres to the sides of the joint, but not to the filler rope, which allows the caulking to stretch and compress without tearing or pulling away thus extending the caulk's life and effectiveness. Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement. Sashco Sealants Pre-Caulking filler rope (Backer Rod). Makes professional joints that last. Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement. Fills the joint so you use less caulk. Fully compatible with all substrates and sealants. Use behind chinking and caulking. Essential for ideal joint design.Caulking adheres to the sides of the joint, but not to the filler rope, which allows the caulking to stretch and compress without tearing or pulling away thus extending the caulk's life and effectiveness. Made of closed cell poly foam. Minimum R value of 2.5/inch. Available in gray color. Measures 3/8-inches diameter by 100-feet length. Fully compatible with all substrates and sealants. Measures 3/8-inches diameter by 100-feet length. Makes professional joints that last. Use behind chinking and caulking. Fills the joint so you use less caulk. Sashco Sealants Pre-Caulking filler rope (Backer Rod). Minimum R value of 2.5/inch.

Key Features

• Measures 3/8-inches diameter by 100-feet length.
• Use behind chinking and caulking.
• Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement.
• Made of closed cell poly foam.
• Fills the joint so you use less caulk.
• Essential for ideal joint design.Caulking adheres to the sides of the joint, but not to the filler rope, which allows the caulking to stretch and compress without tearing or pulling away thus extending the caulk's life and effectiveness.