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4869 15# Asphalt Rolls For Roofing , Felt Roofing Roll Shingles Underlayment 3'x144
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|Type||Roofing Felt||Material||Asphalt, Paper|
|Usage||Roof Waterproofing||Roll Size||3'*144'|
small rolls of roofing felt,
roofing tar paper rolls
4869 15# Asphalt Paper Roofing Felt Roll Shingles Underlayment 3'x144‘
Asphalt roofing felt ASTM D-4869 15# is known as a waterproofing material used for construction project. it is made of raw paper, saturated with bitumen, then packed in rolls. The raw paper has a rough texture, good oil absorption, and a certain tensile strength. Generally use rags, waste paper, etc. as raw materials, high-level can be mixed with some animal hair and slag cotton, etc., directly beaten after copying. During processing, the base paper is passed through molten asphalt and extruded by hot rollers, so that the asphalt saturates the paper layer and extrudes excess asphalt. The surface is sprayed with talc powder or chip mica, etc., and cooled.
it mainly used on slope wooden roof as secondary waterproof barrier beneath shingles and tiles. it can also be used as protection layer in subway project, or used as protection layer for wire mesh or other packing machine
|roof coverage per roll||432sq ft|
|mass of saturated felt roll||8.0lbs/100ft sq|
|mass of asphalt sautrant||4.0lbs/100ft sq|
|mass of desaturated felt||4.0lbs/100ft sq|
|saturation by weight||100%|
|saturation efficiency by weight||75%|
|breaking strength machine direction||15lbs/in|
heavy raw paper
100% asphalt saturation
heavy roll weight
standard roll size
package in pallet
clear guide lines
high tear strength
economic waterproofing material
keep it in dry place, keep away from sunshine, wind, rain, snow.. no applying when the the weather is rainy or on a wet roof deck.