Product Data Sheet Show all documents

Sika® Foam Backer Rod Open Cell

Open Cell Backing Rod

Sika® Foam Backer Rod Open Cell is manufactured from extruded, open cell polyurethane foam, available in rods with different diameters and lengths.

  • Improved cure rate of sealant due to open cell structure
  • Easy to apply
  • Open cell
  • No bond to most sealants
  • Compatible with cold applied sealants (polyurethane, silicones)
  • Different rod diameters
  • Highly flexible and compressible
  • Odourless
Product Data Sheet Show all documents

Usage

Sika® Foam Backer Rod Open Cell is used as a back up material for cold applied Sika sealants to give the sealant the correct thickness. It also acts as a bondbreaker, permitting the most efficient joint design.  

Advantages

  • Improved cure rate of sealant due to open cell structure
  • Easy to apply
  • Open cell
  • No bond to most sealants
  • Compatible with cold applied sealants (polyurethane, silicones)
  • Different rod diameters
  • Highly flexible and compressible
  • Odourless

Packaging

Diameter

Length

16mm

150m

22mm

100m

29mm60m
38mm30m
50mm20m

Colour

Orange

Product Details

Product Information

Composition

Extruded Polyurethane Foam

Shelf life

5 years if storage condistions are met.

Storage conditions

Store in dry conditions and protect from heat.
Technical Information

Chemical resistance

Good resistance to oil, petrol and solvents.

Application

Application Information

Substrate temperature

-40ºC to +70ºC
Application steps

APPLICATION INSTRUCTIONS

During installation avoid excessive longitudinal stretching of the rod. For Hot poured sealants consult our Technical Department for heat resistant quality. Do not use as a backer, where sealant is heated and applied at a temperature above +70ºC. Rod diameter should be approximately 25% larger than the joint width.

Documents