|Material:||Raw Paper And Bitumen||Standard:||ASTM D-4869 15#|
black roofing paper,
synthetic felt paper
high tear strengthASTM standard asphalt roll roofing felt paper for slope shingles roof
A heavy-weight asphalt roofing felt made of a specially formulated organic sheet which has been fully saturated with waterproofing asphalt.
Feathers and benefits
Asphalt roofing felt is used as an underlay beneath asphalt shingles, wood shakes, tiles and other sloped coverings, or can be used as protection layer in construction project.
Storage and handling
We recommend that the rolls be kept in a dry area out of the weather. If you are applying the felt in cold weather, we recommend storing it in a warm place at least 24 hours before applying to roof.
Pliability at 23±2°C.tested shall not crack when bent 90°
at a uniform speed over a rounded corner of radius in table
|Tear strength at 23±2°C min||2.5N||2.5N|
|Breaking strength at 23±2°C min MD||30lbf/in||40lbf/in|
|Breaking strength at 23±2°C min CD||15lbf/in||20lbf/in|
|Loss on heating at 105°Cfor 5h max||6.0%||6.0%|
|Width of the roll||0.914m||0.914m|
|Area of the roll||40m2||20m2|
|Net mass of saturated felt,min||390g/m2||660g/m2|
|Saturation,%by wt., min||100%||120%|
Contact Person: Angela