FM Approvals 4473-2011 (R2020)

FM Approvals 4473-2011 (R2020)

Impact Resistance Testing of Rigid Roofing Materials by Impacting with Freezer Ice Balls

€54.00

Details

This test standard provides a procedure for determining the impact resistance performance of new prepared rigid roofing materials which are intended for use mainly on, but not restricted to, "Steep Slope" roof systems. The test uses the impact forces of freezer ice balls propelled to develop free-fall kinetic energies of the same size hail.

Additional Info

Author FM Approvals
Published by FMAPPROVAL
Document type Standard
Confirmation date 2020-01-01
Number of pages 10
Replace FM Approvals 4473
Keyword FM Approvals 4473-2011 (R2020)