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Tested Roof Assemblies CSA A123.21


The National Building Code of Canada (NBC) has referenced CSA A123.21-14 since 2015 to determine the dynamic wind uplift resistance of a low slope membrane roofing systems. IKO Commercial roofing systems, tested in accordance with CSA A123.21, can be found on this page.

For additional information on IKO’s CSA assembly listings please contact your local IKO Commercial representative.

CSA Wind Uplift Tool
Wind Uplift Calculator