Roof Breather Felt

Tyvek supro is the market leading breather membrane helping to protect roofs against wind and water and also improve energy efficiency.

Roof breather felt. A breather membrane can act as both a waterproof secondary roof and a slip sheet. Sheathing membrane breather type paper astm d 4869. Roofing felt is a breathable sheet which allows humidity and moisture to escape from beneath it thus maintaining a dry and healthy deck. 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. Standard specification for asphalt saturated organic felt used in roofing waterproofing csa 123 3. Cedar breather underlayment from benjamin obdyke benjamin obdyke cedar breather ventilated underlayment cedar breather protects the beauty and life of wood roofing by providing a space for continuous airflow between the solid roof deck and shingles or shakes. 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.

Roof underlayment test compliance astm d 226. Asphalt saturated organic roofing felt can 2 51 32. Moist air from the accommodation readily finds its way into the roof space through the ceiling and holes in ill fitting hatches. For optimum performance use cedar breather with rapid ridge 7 ridge vent.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Item 656632 model 0903000. Traditional metal roofs suffer from condensation generally at the level of the felt underlayment or the slip sheet. The amount of evaporation that can take place within the roof is considerably reduced by the introduction of the roofing felt.