TIL-R Classic Non Breathable Pitched Roof Underlay products are reliable, quick to install solutions. Suitable for use as an unsupported underlay, in traditionally ventilated cold tile or slated pitched roofs, they meet the requirements of BS5534 and can be used for installation in Wind Zones 1-5.
Available in a weight of 120g at 45 x 1m size with or without tape.