Roof Breather Felt

Traditional metal roofs suffer from condensation generally at the level of the felt underlayment or the slip sheet.

Roof breather felt.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. 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. A breather membrane can act as both a waterproof secondary roof and a slip sheet. Roofing felt is a breathable sheet which allows humidity and moisture to escape from beneath it thus maintaining a dry and healthy deck.

Tyvek supro is the market leading breather membrane helping to protect roofs against wind and water and also improve energy efficiency. Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment. 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. Standard specification for asphalt saturated organic felt underlayment used in steep slope.

The amount of evaporation that can take place within the roof is considerably reduced by the introduction of the roofing felt. Moist air from the accommodation readily finds its way into the roof space through the ceiling and holes in ill fitting hatches. Standard specification for asphalt saturated organic felt used in roofing waterproofing csa 123 3. Item 169827 model 5003002.

Roof underlayment test compliance astm d 226. Item 656632 model 0903000. Asphalt saturated organic roofing felt can 2 51 32. Sheathing membrane breather type paper astm d 4869.