ASTM asphalt roofing felt(black building paper) - ASTM D-226

asphalt roofing felt, 1underlay felt, 2good at water-resistence,anti-aging, 3eco-friendly roof, 4ASTMD-4869I II; ASTMD-226I - details see: https://www.buildingsupplieshub.com/astm-asphalt-roofing-felt-black-building-paper-10101513

Type: Roofing Felt	Place of Origin: Hebei China (Mainland)	Brand Name: Jianda	Model Number: ASTM D-226
Type:: Roofing Felt	Place of Origin:: Hebei China (Mainland)	Model Number:: ASTM D 4869#15	Specification: 36X144
Size:: 36ich X 144feet	Usage:: building underlayment

ASTM asphalt roofing felt(black building paper)

contact supplier for ASTM asphalt roofing felt(black building paper)

Product description
Black building paper is a heavy-weight asphalt roofing felt made of a specially formulated organic sheet which has been fully saturated with waterproofing asphalt.
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.

specifications performance

Test item	ASTM D-226 15#	ASTM D-226 30#	ASTM D-4869 15#	ASTM D-4689 30#
Pliability at 23±2°C.tested shall not crack when bent 90° at a uniform speed over a rounded corner of radius in table for each	12.7mm (radius)	12.7mm (radius)	12.7mm (radius)	12.7mm (radius)
Tear strength at 23±2°C min	2.5N	2.5N	2.5N	2.5N
Breaking strength at 23±2°C min MD	30LBF/in	40lbf/in	30lbf/in	40lbf/in
Breaking strength at 23±2°C min CD	15lbf/in	20lbf/in	15lbf/in	20lbf/in
Loss on heating at 105°Cfor 5h max	4.0%	4.0%	6.0%	6.0%
Width of the roll	36 in	36 in	36 in	36 in
Area of the roll	432 ft2	216 ft2	216 ft2	216 ft2
Net mass of saturated felt,min	560 g/m2	1270g/m2	400g/m2	660g/m2
Saturation,%by wt., min	120%	150%	100%	120%

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.

Below is the roofing felt description

Model	Width	Length	Thickness	Weight	Qty/pallet	Qty/40'GP
ASTMD4869#15	36inch	144feet	0.5mm	38lbs	39rolls	1560rolls
ASTMD4869#30	36inch	72feet	0.7mm	30lbs	52rolls	1924rolls
ASTMD226 #15	36inch	144feet	0.7mm	45lbs	30rolls	1110rolls
ASTMD226 #30	36inch	72feet	1.2mm	48lbs	30rolls	1110rolls