Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing
NORMA vydaná dňa 1.2.2023
Označenie normy: ASTM D226/D226M-17(2023)
Dátum vydania normy: 1.2.2023
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
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)