Breathable Pitched Roof Underlay
TIL-R Breathable Pitched Roof Underlay is a thermally bonded UV stabilised laminate incorporating a vapour permeable film. The choice available has been carefully designed to meet your standards of usability, quality and price, providing you with the right solution for the job.
The product resists penetration by liquid water yet allows the passage of water vapour.
Low vapour resistance – defined by BS 5250:2002 as a vapour permeable underlay and suitable for use in energy efficient non-ventilated cold pitched roof systems.
Can be used on all tiled or slated pitched roofs
Can be used to seal roof lights, chimneys, verges, ridges and hips & valleys
Suitable for warm and cold applications
Clean to use and easy to cut.
Strong and durable
High tear resistance
Lightweight – easy to transport and handle.
Breathable - suitable for warm roof application
Water Resistant – achieves W1 classification when tested to BS EN 1928:2001
Flexible – even at low temperatures.
Resistance to water penetration.
Durable – no performance deterioration at highest and lowest UK temperatures.
Available with dual integrated tape
Should not be considered as a primary waterproofing layer