ASTM Certificate Roof Shingle Underlayment Waterproof Bitumen Tar Paper

Waterproof Bitumen Tar Paper Roof Shingle Underlayment Asphalt Felt Paper

Product description:

Asphalt Roofing Felt commonly known as linoleum. A waterproof material used in the construction industry. The original paper is thick and loose, good oil absorption, and has certain tensile strength. General use of rags, waste paper, etc. as raw materials, advanced can be mixed with some animal hair and mineral wool, directly pulp and then copy. When processing, the original paper through molten asphalt, through the hot roller extrusion, the asphalt will soak the paper layer, and extrude the excess bitumen, the surface of the talcum powder or debris mica, and so on.

Benefits:

1)This product is specialized in waterproof materials, packing, building dampproofing.
2). This product is processed by making the paper base soaked in low softening

petroleum asphalt, then covered with high-softening petroleum asphalt, and last coated with isolating materials such as talk powder.

APPLICATION:

It is widely applied to the simple waterproofing, temporary-building waterproofing, building dampproofing, packing; as well as the single, multi-layers waterproofing of building roofs, underground facilities, water conservancy projects, etc.

Specification of ASTM D4869 Type II