BSJ GROUP ——Building Materials Division
Product Details

Underlayments - Asphalt Saturated Organic Felt

Underlayments - Asphalt Saturated Organic Felt
Product Category:Underlayments
Description:

Our main products are black building paper and roofing felt which are in conformity with ASTM standards of U.S.A.

The specifications of black building paper:
    30 minute paper,
    60 minute paper,
    90 minute paper
    120 minuter paper
The specifications of roofing felts:
    ASTM D-4869, Type I 15#, Type ? 30#;
    ASTM D-226,   Type I 15#, Type ? 30#;
    ASTM D-6380,  Class M,  Type?90#;
    ASTM D-225, Type III
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