ASTM standard 15lb asphalt synthetic roofing paper underlay

ASTM standard 15lb asphalt synthetic roofing paper underlayProduct Description
Introduction: A heavy-weight asphalt roofing felt made of a specially formulated organic sheet which
hasbeen fully saturated with waterproofing asphalt.
Features and benefits,
•Heavy organic mat
•High asphalt saturation
•Heavier roll weight
•Tightly wound rolls-Less telescoping
•Consistent roll lengths
•Excellent standard packaging
•Highly visible alignment lines
•High tear strength
•Easier roll-out-Less sticking
•Flatter installation lay-Down with less curing
Technical data
ItemASTM D4869 Type IASTM D4869 Type IIASTM D226 Type IASTM D226 Type II
Width of roll36inch36inch36inch36inch
Roof coverage per roll432 sq ft216 sq ft432sq ft216 sq ft
Mass of saturated felt roll8.0lbs/100ft sq13.0lbs/100ft sq11.5lbs/100ft sq26lbs/100ft sq
Mass of asphalt saturant4.0lbs/100ft sq6.0lbs/100ft sq6.2lbs/100ft sq6.5lbs/100ft sq
Mass of desaturated felt4.0lbs/100ft sq5.0lbs/100ft sq5.2lbs/100ft sq10.0lbs/100ft sq
Saturation by weight(min)100%120%120%150%
Machine direction30lbf/in30lbf/in30lbf/in40lbf/in
Cross direction15lbf/in15lbf/in15lbf/in20lbf/in
Pass 4 hour liquid transmission water testYESYESYESYES
Pliability at 77F when bend 90 degrees1/2in radius1/2in radius1/2 in radius3/4in radius
Pallet size1.1mx1.1m1.1mx1.1m1.1mx1.1m1.1mx1.1m
NO. of rolls per pallet52523030Usage
A roofing felt used as an underlay beneath asphalt shingles, wood shakes, tiles and other sloped coverings.Packaging & Shipping
Packing:packing with pallet or as the customer's requirementTechnologywhy choose usFAQRelated Products
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