Cangzhou Jianda brand ASTM asphalt roofing felt and roof tar paper - NO.30 ASTM D226

15# ASTM D4869,36''X144', 15# ASTM D226,36''X144', 30# ASTM D4869,36''X72', 30# ASTM D226,36''X72', NO.30 ASTM asphalt roof felt - details see: https://www.buildingsupplieshub.com/cangzhou-jianda-brand-astm-asphalt-roofing-felt-and-roof-tar-paper-10101472

Type: Roofing Felt	Place of Origin: Hebei China (Mainland)	Brand Name: JIANDA	Model Number: NO.30 ASTM D226
Specification: 36'*72''	Size: 36'*72''	Usage: steep slope roofing underlayment	Material: mat paper and asphalt

NO.30 ASTM asphalt roof felt

Description	Width	length	Weight	Thickness	Usage
ASTM D-226 roofing felt 30#	36in 0.914m	72ft 21.95 m	23.5kg	1.2mm	A roofing felt used as an underlay beneath asphalt shingles, wood shakes, tiles and other sloped coverings.
ASTM D-226 roofing felt 15#	36in 0.914 m	144ft 43.89 m	23kg	0.8mm
ASTM D-4869 roofing felt 15#	36in 0.914m	144ft 43.89m	16.5kg	0.6mm
ASTM D-4869 roofing felt 30#	36in 0.914m	72ft 21.95m	13.5kg	0.8mm

Physical requirements:

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%