Costar Pro Joint Filler 20 is polymer-modified, fast-setting waterproof tile grout for grouting between ceramic tiles after the adhesive has been set. It is produced from carefully selected raw materials for consistency of product, hardens in 8 – 10 hours.
Costar Pro Joint Filler 20 is a blend of specially selected cement, fillers, and synthetic organic polymers. When added to water it readily blends to produce a smooth creamy paste which when set is water and mold resistant. Costar Pro Joint Filler 20 is used in conjunction with the Costar Tile Fix tile adhesives series.
- Sets within 8 – 10 hours
- Exceptional and consistent quality
- Suitable for areas that will be dry or intermittently wet
- Suitable for joint widths up to 8mm
- Can be used in conjunction with under-tile heating
- Limited flexibility to accommodate some movement
Areas of Use
- For grouting joints between tiles:
- Suitable for walls and floors
- Suitable for interior and exterior use
- Suitable for wet and dry conditions
- Used in kitchens, Swimming pools, bathrooms, and shower stalls