Welcome aboard.
I have no idea of a Dynamax dealer in Ontario....not saying there isn’t one, just don’t know where.
What I can suggest.....
There’s a forum subsection in here, where you can ask questions by specific rig, be it a trailer or motorhome. I would suggest you post a question as to where a Dynamax dealer is in Ontario there. There’s a gentleman on the Dynamax forum by the name BClemens, GM for Dynamax.
I’m sure he’ll be able to help, and he’s almost always watching that forum
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Ken and Terry
2018 Sunseeker 2430S-CD, nicely modified and carried by a 2017 Ford E450 Sport
Former Georgetown 330TS owner for 10 years with more mods than I can count, pushed by our 2017 GMC Terrain