Roof Breather Felt

Roof underlayment test compliance astm d 226.

Roof breather felt.

Modern composite metal roofs suffer from internal condensation that can eventually compromise the insulation and even possibly the securement. Standard specification for asphalt saturated organic felt underlayment used in steep slope. A breather membrane can act as both a waterproof secondary roof and a slip sheet. 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.

Traditional metal roofs suffer from condensation generally at the level of the felt underlayment or the slip sheet. Item 169827 model 5003002. For optimum performance use cedar breather with rapid ridge 7 ridge vent. Standard specification for asphalt saturated organic felt used in roofing waterproofing csa 123 3.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Asphalt saturated organic roofing felt can 2 51 32. The amount of evaporation that can take place within the roof is considerably reduced by the introduction of the roofing felt. 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.

Item 656632 model 0903000. Moist air from the accommodation readily finds its way into the roof space through the ceiling and holes in ill fitting hatches. Roofing felt is a breathable sheet which allows humidity and moisture to escape from beneath it thus maintaining a dry and healthy deck. Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.