ANSI/FM Approvals 4473

Impact Resistance Testing of Rigid Roofing materials by Impacting with Freezer Ice Balls FM Approvals / 01-Jan-2011 / 10 pages

More details

More info

This test standard states the test requirements and procedures for the assessment of impact resistance of new rigid roofing materials. Rigid roofing materials are manufactured in a rigid configuration and remain rigid during usage. These roof materials are manufactured as tiles or planks from materials such as slate, concrete or clay.