FORTIFIED Home ASTM D6757 - An Alternative to #30 Felt Underlayment: Sealed Roof Deck Underlayment Alternative

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FORTIFIED Home ASTM D6757 - An Alternative to #30 Felt Underlayment: Sealed Roo…

Author(s)

Insurance Institute for Business and Home Safety

Organization(s)

IBHS

Publication Date

February, 2019

Fact sheet describing the acceptable underlayment alternatives including ASTM D6757 Underlayment Felt Containing Inorganic Fibers for Steep-Slope Roofing for certain applications.