Systems P&R Underlayer (Pour and Roll)
Systems P&R Underlayer consists of a polyester carrier coated with SBS rubber modified bitumen. Both surfaces are finished with sand to prevent sticking in the roll.
Systems T-O Underlayer (Torch-on)
Systems T-O Underlayer consists of a polyester carrier coated with SBS rubber modified bitumen. The upper surface is finished with fine sand and the lower surface has a sacrificial film which rapidly melts during the torching operation.
Systems S-A Underlayer (Self-Adhesive)
Systems S-A Underlayer is an elastomeric self adhesive underlayer incorporating a robust polyester reinforcement for greater durability, coated with SBS modified bitumen. The product has a smooth upper surface that forms an ideal surface for bonding subsequent cap sheets and a release film backing.
Features and Benefits
- Range of application methods to suit project requirement
- High resistance to damage and delamination
- SBS bitumen coating offering excellent low temperature flexibility
- Prevents penetration of water vapour and damage to roof construction
- High tensile polyester base