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Abstract
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 reamin rigid during usage. These roof materils are manufacturered as tiles or planks from materials such as slate, concrete or clay. 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.
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 reamin rigid during usage. These roof materils are manufacturered as tiles or planks from materials such as slate, concrete or clay. 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.
Date
1/2011
1/2011
Author(s)
ANSI / FM
ANSI / FM
Page(s)
Keyword(s)
ANSI FM 4473; impact resistance; ice impact; freezer ice balls; rigid roofing
ANSI FM 4473; impact resistance; ice impact; freezer ice balls; rigid roofing