Use Backer Rod as a bond breaker to prevent sealant adhering to the wrong surface (concrete or organic joint filler). It is light and durable material with excellent shock absorbing and heat insulating properties. It is compatible with most known cold applied sealants such as urethane, silicone, acrylic, butyl, polysulfides, latex, and chinking sealants.

Specific Uses

• Expansion joints

• Highway Joints

• Glazing

• Log home chinking

• Parking Decks

• Curtain Walls

• Coping Joints

• Isolation Joints

• Temporary Joint Seal

• Perimeter of window and door frames

• Pre-cast panels

Advantages

• Economical

• Easy to install

• Readily compressible

• Root proof and non-absorbent

• Provides bond breaker and minimum strain shape for joint sealants

• Provides a firm backing for sealant tooling

Properties

• Form : Compressible Closed Cell Foam circular cords

• Durability : Excellent dimensional stability

• Excellent water absorption : Negligible

• Color : White & Grey

• Size : From 6 mm to 100 MM