Whether you’re looking for a waterproofing, insulation or vegetated solution, SOPREMA offers a complete range of products from A to Z to complete your roofing project with confidence. SOPREMA is also the only Canadian polyisocyanurate insulating manufacturer with an internal slope design department for commercial roofing.

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CSA A123.21

To the present day, static simulation was the only available method to compare roofing assemblies with winduplift resistance. With dynamic simulation it is now possible to reproduce actual conditions caused by wind on roofing systems.

CSA A123.21 Assemblies

Wind-RCI Calculator

How to Design a CSA A123.21 Roofing System in 3 Steps

What is the CSA A123.21-14 Standard ?

4 Differences Between CSA A123.21 and FM

All the roofing guides

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  • Repair Guide


    3491 ko

  • Roofer's guide


    4148 ko

Other resources

  • Preventive maintenance


    43 ko

  • Index - Membranes colours


    528 ko