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Scope

1.1 This specification covers (1) inorganic fiber reinforced organic felt underlayment and ( 2) inorganic fiber based felt for use as underlayment with steep slope roofing products. The intent of this standard is to provide criteria for producing and evaluating underlayments with a significantly reduced tendency to wrinkle before or after the installation of steep roofing products.

1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.

1.3 The following safety hazards caveat pertains only to the test method portion, Section 8, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.

Keywords

coated fiberglass mat; fiberglass; inorganic fibers-reinforced; organic felt; steep roofing; underlayment; ICS Number Code 91.060.20 (Roofs)

To find similar documents by ASTM Volume:

04.04 (Roofing and Waterproofing)

To find similar documents by classification:

91.060.20 (Roofs Including related elements (gutters, etc.))

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