Ice and waterproofing membranes that are self sealing at the joints and at nail penetrations are almost perfect vapor retarders.
Is roofing felt breathable.
At least 600 greater tear strength than standard 30 asphalt felt.
Breathable roof membranes are generally installed on the cold side of insulation in the roof structure ie the side closest to the external area.
Unlike typical synthetic underlayments deck armor helps reduce inside moisture from becoming trapped within your roofing system.
Roofing felts are marginally breathable and certainly suffer from condensation through the winter months.
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.
Breathable roofing felt is completely waterproof.
It is also guaranteed to last the lifetime of your roof prevent condensation and allow air to circulate.
Roofing felt is a breathable sheet which allows humidity and moisture to escape from beneath it thus maintaining a dry and healthy deck.
Special slip resistant surface provides enhanced walkability even on steeper pitched roofs.