Sheet felt

Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Felt fabric

Patent

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Details

B32B 528

Patent

active

057768412

ABSTRACT:
This invention concerns a light weight sheet felt material suitable for use as roof and siding underlayment and insulation board facing which comprises on a dry basis

REFERENCES:
patent: 4472243 (1984-09-01), Bondoc et al.

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