Sika® backing filler®
Sealant Backing Material and Joint Filler
Sika Backing Filler® material is extruded polyethylene closed-cell foam available in boards, and strips.
- Easy to Apply.
- Closed Cell.
- No bond to most sealants.
- Compatible with cold applied sealants.
- Different thicknesses and widths available.
- Highly flexible & compressible.
- Good water resistance.
- Good temperature resistance.