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15# Shingles Roof Underlay
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|Type||ASTM D-4869 15#||Color||Black|
|Usage||Shingles Roof Underlayment||Tensile Strength||Strong|
small rolls of roofing felt,
roofing tar paper rolls
Asphalt Saturated Organic Roofing Felt Paper Roll 15# Shingles Roof Underlay
Aspalt saturated organic roofing felt paper roll 15# shingles roof underlayment, provides an extra layer of protection between roof deck and shingles. This underlayment features excellent asphalt saturation for effective waterproofing. The most normal type is ASTM D-4869 15#.
heavy organic mat
high asphalt saturation
heavy roll weight
clear guide lines
easy roll-out-less sticking
easy installation for shingles
1.Organic Felt rolls must be installed horizontally, from the bottom of the roof deck.
2.The first layer of Felt rolls must be installed to cover the entire bottom edge of the roof deck to facilitate the water shedding ability of the Felt.
3.Install fasteners at least eight inches at the top and middle edges and at the eave along the deck.
4.At slopes 4:12 and greater, a single layer of Felt rolls shall be installed parallel to and starting at the eaves, over lapped at least two inches, and fastened sufficiently to hold in place.
|type||15lbs||ASTM D-4869 TYPE I||ASTM D-4869 TYPE II||ASTM D-226 TYPE I||ASTM D-226 TYPE II|