Roof Breather Felt

Modern composite metal roofs suffer from internal condensation that can eventually compromise the insulation and even possibly the securement.

Roof breather felt.

Standard specification for asphalt saturated organic felt used in roofing waterproofing csa 123 3. Roofing felt is a breathable sheet which allows humidity and moisture to escape from beneath it thus maintaining a dry and healthy deck. A breather membrane can act as both a waterproof secondary roof and a slip sheet. Roofing felt significantly reduces the air movement in the roof space.

Asphalt saturated organic roofing felt can 2 51 32. Item 169827 model 5003002. The amount of evaporation that can take place within the roof is considerably reduced by the introduction of the roofing felt. Traditional metal roofs suffer from condensation generally at the level of the felt underlayment or the slip sheet.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Moist air from the accommodation readily finds its way into the roof space through the ceiling and holes in ill fitting hatches. Roof underlayment test compliance astm d 226. Item 656632 model 0903000.

Standard specification for asphalt saturated organic felt underlayment used in steep slope. For optimum performance use cedar breather with rapid ridge 7 ridge vent. Engineered to breathe for at least 100 years roof decks have been protected by roofing felt placed beneath shingles shakes and other types of roofing. Sheathing membrane breather type paper astm d 4869.