Expertise you can trust

Next Level Stormwater Management is 100% Canadian owned and brings you more than 85 years of know-how designing and supplying vegetated roofing systems. You can rely on us to provide the best system for your needs with the optimum pricing.


Tested to CAN/CSA A123.24

Key participant in developing the Canadian Standard Test Method for Wind Resistance of Modular Vegetated Roof Assembly – the first such in the world.

Our lightweight systems are proven to withstand violent Canadian storms and near hurricane winds. For NRC report, please contact us.


Video of NLSM’s wind flow and wind uplift tests at UL and National Research Council (NRC).


CSA Wind Uplift Tested

  • Montreal Flow Test _3072

  • NRC Wind Test Chamber

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