Standard test method for the dynamic wind uplift resistance of membrane-roofing systems

Designation Number:
CSA A123.21
Standard Type:
National Standard of Canada - Domestic
Standard Development Activity:
New Edition
Status:
Proceeding to development
SDO Comment Period Start Date:
SDO Comment Period End Date:
Posted On:

Scope:

1.1

This test method determines the wind uplift resistance of membrane-roofing systems when subjected to dynamic wind load cycles. The test methods are applicable to

a) mechanically attached membrane roofing systems; and

b) adhered membrane roofing systems.

Project need:

This standard is applicable to the majority of the commercial roof assemblies in North America under three different categories depending on the component attachment to the substrate, namely adhesive applied membrane roofing system, mechanically attached membrane roofing system and partially attached (hybrid) membrane roofing system

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