Product characteristic
1 asphalt waterproof roof underlay felt
2 good at water-resistence, anti-aging
3 eco-friendly roof felt
4 ASTM D-4869I II; ASTM D-226I II
Applicable scope
Widely used as an underlay beneath asphalt shingles, wood shakes, tiles and other sloped coverings.
Asphalt roofing felt is conformity with ASTM standards of the USA
The specifications of the roofing felt are ASTMD-4869#15 ,4869#30 and ASTMD-226#15 ,226#30,.
The roofing felt is widely used as underlayment which is under asphalt shingles. Its saturation rate is 100%,that’s to say, both water and air cannot enter.
