made by saturating paper base in low softening-point bitumen, and then both sides are coated with high softening-point bitumen, at last coated again or covered with isolating material.
Specifications:
- size
- 1x20m/roll
- weight
- 13.5-38kg/roll
- model
- 200#, 350#, 500#
- Minimum Order: Negotiable
