Roof Breather Felt

Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.

Roof breather felt.

Standard specification for asphalt saturated organic felt underlayment used in steep slope. Modern composite metal roofs suffer from internal condensation that can eventually compromise the insulation and even possibly the securement. Roofing felt significantly reduces the air movement in the roof space. Tyvek supro is the market leading breather membrane helping to protect roofs against wind and water and also improve energy efficiency.

For optimum performance use cedar breather with rapid ridge 7 ridge vent. Roofing felt is a breathable sheet which allows humidity and moisture to escape from beneath it thus maintaining a dry and healthy deck. Asphalt saturated organic roofing felt can 2 51 32. Traditional metal roofs suffer from condensation generally at the level of the felt underlayment or the slip sheet.

A breather membrane can act as both a waterproof secondary roof and a slip sheet. Roof underlayment test compliance astm d 226. Sheathing membrane breather type paper astm d 4869. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.

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. Item 656632 model 0903000. 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.