ANSI/FM 4473-2011
Impact Resistance Testing of Rigid Roofing Materials by Impacting with Freezer Ice Balls

Standard No.

ANSI/FM 4473-2011

Release Date

2011

Published By

American National Standards Institute （ANSI)

Latest

ANSI/FM 4473-2011

Scope

This test standard provides a procedure for determining the impact resistance performance of roofing materials. The test uses the impact forces of freezer ice balls propelled to develop free-fall kinetic energies of the same size hail.

ANSI/FM 4473-2011 history

• 2011 ANSI/FM 4473-2011 Impact Resistance Testing of Rigid Roofing Materials by Impacting with Freezer Ice Balls