FM 4473

Specification Test Standard for Impact Resistance Testing of Rigid Roofing Materials By Impacting With Freezer Ice Balls

Status:

Expired

Sector:

Building

Applicability Date:

Expiry Date:

2019-12-30

ORD Number:

FM 4473

Published Date:

1969-12-30

Certification Body:

FM Approvals LLC

Canadian Regulatory Authority:

Council of Canadian Fire Marshalls and Fire Commissioners