50Mtrs x 1Mtr Roll Breathable Roofing Felt - Cromar Vent 3 Light 50Mtrs x 1Mtr Roll Breathable Roofing Felt - Cromar Vent 3 Light
Vent 3 Light is manufactured by thermally bonding two spunbonded polypropylene fabric layers, with a microporous film, between the teo layers to form a breathable waterproof membrane.
Vent 3 Light allows any moist air within the construction to pass out of the building while offering some weather protection from rain and snow

Full fitting instructions included.