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Breathable Pitched Roof Underlay
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.
Typical Applications
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
AdvantagesClean to use and easy to cut.Strong and durableHigh tear resistanceLightweight – easy to transport and handle.Breathable - suitable for warm roof applicationWater Resistant – achieves W1 classification when tested to BS EN 1928:2001Flexible – even at low temperatures.Resistance to water penetration.Durable – no performance deterioration at highest and lowest UK temperatures.Available with dual integrated tape
Limitations Should not be considered as a primary waterproofing layer