ASTM D 1970/D1970M : 2017-05
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
29-04-2020
01-05-2017
CONTAINED IN VOL. 04.04, 2017 Defines polymer modified bituminous sheet materials intended for use as underlayment on roof eaves, or valleys, or both, to prevent leakage of shingle, tile, or metal roofs from water back-up due to ice dams.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.