- Premium performance and fire retardant
- Assists in moisture control - deflects water and air both during construction and as part of the finished roof
- Self-supporting and strong
- Highly breathable - transforms water vapour at higher rates than bitumen-impregnated paper
- Codemark Certified
VHP Strong Roof Underlay is a premium roofing underlay. It is fire retardant, high performance and highly breathable and a huge upgrade from Bitumen paper.