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shingles roof underlayment asphalt roofing felt for wooden roof
| Model No. : | ASTM D-4869 15# |
|---|---|
| Brand Name : | Jianda |
Product description
Description:
Asphalt roofing felts are designed as an underlayment product to be applied over the roof deck prior to the installation of asphalt shingles. Install asphalt roofing felts as a seconda-ry barrier to moisture caused by wind driven rain and ice damming.
A heavy-weight asphalt roofing felt made of a specially formulated organic sheet which has been fully saturated with waterproofing asphalt.
Feathers and benefits
· heavy organic mat
· high asphalt saturation
· heavier roll weight
· tightly wood roll lengths
· excellent standard packaging
· highly visible alignment lines
· high tear strength
· easier roll-out-less sticking
Uses:
Asphalt roofing felt used as an underlay beneath asphalt shingles, wood shakes, tiles and other sloped coverings.
Storage and handling
Asphalt saturated organic felts require protection form damage and the weather. store rolls upright in a dry location and never install when wet or over a wet roof deck.
Packaging:
Width:36''(0.914m)
Roll Contents:432 sq.ft(40sq.m)
Rolls per pallet:39
Pallet size:1.1mx1.1m
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% |
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