IRAM OFICIALIZADA 1580 N.I.O.-1959
Saturated asphalt felt and methods of permeability testing in asphalt roofing

Standard No.

IRAM OFICIALIZADA 1580 N.I.O.-1959

Release Date

1959

Published By

AR-IRAM

Scope

Bl This standard establishes the procedure to carry out the permeability test on saturated asphalt felts and asphalt roofs.