Cromar Protect 1F Non-Breathable Underlay 45x1m

Cromar Protect 1F Non-Breathable Underlay 45 x 1m is suitable for using in cold ventilated pitched roof spaces. It is ideal for using to protect the roof space from harsh weather elements and dust. It is completely waterproof and is quick and easy to install by draping horizontally over joists. Slates or tiles are then installed as normal over the top.