ASTM D226/D226M-17(2023)

Die Annotation des Normtextes ASTM D226/D226M-17(2023) :

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.


Keywords:
asphalt, built-up roofs, organic felt, waterproofing ,, ICS Number Code 91.100.50 (Binders. Sealing materials)