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Product Details:
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| Standard: | ASTM D-4869/226 | Thickness: | 0.2mm--1.2mm |
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| Material: | Paper , Bitumen | Usage: | Roof Underlay |
| Size: | 36"x144' | Weight: | 15kg--23kg |
| High Light: | black roofing paper,synthetic felt paper |
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Black Bitumen Building Paper Roofing Felt Paper Beneath Asphalt Shingles
Usage:
Asphalt roofing felt is a kind of secondary waterproof barrier used as roof underlayment under shingles and tiles wooden roof.
Feathers and benefits
highly visible alignment lines
high tear strength
heavy organic mat
high asphalt saturation >100%
heavier roll weight >15kg
Description:
Asphalt roofing felt is produced as a type of roof underlay used beneath asphalt shingles or tiles as secondary waterproof protection layer in constructions projects. it is the most economical product used for roof.
Storage and handling
the asphalt roofing felt rolls should be kept in a dry area, avoid direct sunlight. if the weather is cold, please keep the rolls in warm place at least one day before used on roof.
specifications sheet
| Test item |
ASTM D-226 15# |
ASTM D-226 30# |
ASTM D-4869 15# |
ASTM D-4689 30# |
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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 |
| length of the roll | 144ft | 72ft | 144ft | 72ft |
| Net mass of saturated felt,min | 560 g/m2 | 1270g/m2 | 390g/m2 | 600g/m2 |
| Saturation,%by wt., min | 120% | 150% | 100% | 120% |
FAQ
»Q1. What’s your product range?
A1:As a factory ,We mainly produce SBS modified bitumen membrane, ASTM standard paper based asphalt roofing felt, EN standard
breathable waterproof underlayment , self-adhesive polymer modified bituminous waterproof membrane and other waterproof coating.
»Q2. Can I order samples?Are you free for samples?
A2: Yes, we provide with free sample, and you should pay for the freight, which can show both of our sincerety, we can return back
the money to you when you place order from us.
»Q3. What's your delivery time?
A3:We are manufacturer, so we can efficiently control the production time, usually our delivery time is 10-25 working days.
Contact Person: Angela
Tel: 008615511775265
