ASPHALT ORGANIC FELT ASTM D-226 30#(TYPE II)

A heavy-weight asphalt roofing felt made of a specially formulated organic sheet. - details see: https://www.buildingsupplieshub.com/asphalt-organic-felt-astm-d-226-30-type-ii-10101327
Type: Roofing FeltPlace of Origin: Hebei China (Mainland)Tensile Strength: machine direction > 40LB Acorss machine direction>20LBSize: 36INCH X 72FEET
ASPHALT ORGANIC FELT ASTM D-226 30#(TYPE II)
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A heavy-weight asphalt roofing felt made of a specially formulated organic sheet which has been fully saturated with waterproofing asphalt. This is pre-conditioned to lay flat and remain stable during and after installation.This underlayment asphalt felt is designed to be used as an all-purpose protective waterproof sheet in construction projects. Can be installed as a temporary roof cover during house construction and then serve as a permanent shingle underlayment after shingles are installed. As a shingle underlayment it functions to restrict vapor movement from the wood deck and attic to the underside of the shingles thus preventing condensation and as a barrier to wind-driven moisture which may get past the shingle. Can also act as temporary protection if shingle blow-off occurs. May also be used as a waterproof breather sheet on side-walls beneath outer finish .

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