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Standard

ASTM D226/D226M:25

Published

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Abstract

This specification covers asphalt-saturated organic felt used in roofing and waterproofing. Two types of asphalt-saturated felts are presented: type I - commonly called No. 15 asphalt felt, and type II - commonly called No. 30 asphalt felt. In the process of manufacture a single thickness of dry felt shall be saturated with an asphaltic saturant. The methods for the determination of openness of the perforations in saturated felts are presented in detail.

Document information

  • Standard from ASTM
  • Published:
  • Edition: 25
  • Document type: IS
  • Publisher ASTM
  • Distributor ASTM
  • ICS 91.100.50

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