ASTM D4869 felt paper
ASTM standard black asphalt roofing felt is a widely accepted underlayment product that is manufactured from high quality organic felt and is saturated with asphalt.
It is accepted for use as underlayment for roofs and floors. Besides roofs and floors,it is also suitable for all kinds of architectural roofing,walls,underground waterproof and damp proof project.
Technical data
|
Item
|
ASTM D4869 Type I |
ASTM D4869 Type II |
ASTM D226 Type I |
ASTM D226 Type II |
|
Width of roll
|
36inch | 36inch | 36inch | 36inch |
|
Roof coverage per roll
|
432 sq ft | 216 sq ft | 432sq ft | 216 sq ft |
|
Mass of saturated felt roll
|
8.0lbs/100ft sq | 13.0lbs/100ft sq | 11.5lbs/100ft sq | 26lbs/100ft sq |
|
Mass of asphalt saturant
|
4.0lbs/100ft sq | 6.0lbs/100ft sq | 6.2lbs/100ft sq | 6.5lbs/100ft sq |
|
Mass of desaturated felt
|
4.0lbs/100ft sq | 5.0lbs/100ft sq | 5.2lbs/100ft sq | 10.0lbs/100ft sq |
|
Saturation by weight(min)
|
100% | 120% | 120% | 150% |
|
Machine direction
|
30lbf/in | 30lbf/in | 30lbf/in | 40lbf/in |
|
Cross direction
|
15lbf/in | 15lbf/in | 15lbf/in | 20lbf/in |
|
Pass 4 hour liquid transmission water test
|
YES | YES | YES | YES |
|
Pliability at 77F when bend 90 degrees
|
1/2in radius | 1/2in radius | 1/2 in radius | 3/4in radius |
|
Pallet size
|
1.1mx1.1m | 1.1mx1.1m | 1.1mx1.1m | 1.1mx1.1m |
|
NO. of rolls per pallet
|
52 | 52 | 30 | 30 |
Pic-(ASTM D4869 felt paper)
