Product Data Sheet Show all documents

Sika® Foam Backer Rod Closed Cell

CLOSED CELL BACKING ROD

Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. Sika® Foam Backer Rod Closed Cell has excellent compression and recovery properties, is available in various sizes and lengths. The round profile assists in providing the correct joint sealant profile allowing optimum movement capability.

  • Quick and easy installation
  • Closed cell
  • Assists with joint design
  • Assists with sealant profile
  • Provides a bond breaker, avoids three sided adhesion
  • Compatible with cold applied sealants (polyurethane, silicone)
  • Highly flexible and compressible
  • Good water and temperature resistance
  • Reduces sealant consumption
  • Excellent compression recovery
Product Data Sheet Show all documents

Usage

Sika® Foam Backer Rod Closed Cell is used as a backing rod for horiontal and vertical expansion joints placed prior to the application of sealants. Sika® Foam Backer Rod Closed Cell provides bond breaking, assists in the control of joint depths for correct joint design, allows for proper sealant tooling, improves contact with joint flanks and reducing sealant consumption.  

Advantages

  • Quick and easy installation
  • Closed cell
  • Assists with joint design
  • Assists with sealant profile
  • Provides a bond breaker, avoids three sided adhesion
  • Compatible with cold applied sealants (polyurethane, silicone)
  • Highly flexible and compressible
  • Good water and temperature resistance
  • Reduces sealant consumption
  • Excellent compression recovery

Packaging

Diameter

Length

6mm

250m

10mm

250m

20mm60m
30mm50m

Product Details

Product Information

Composition

Low density polyethylene closed cell foam

Shelf life

60 months from the date of production

Storage conditions

Dry, warm conditions preferred.

Density

40-50kg/m³ nominal

 
Technical Information

Service temperature

-40°c to + 90°c

Documents