You be better off building a proper hanger, then it might survive the North Atlantic intact. that framework is strong enough to damage the helicopters when it collapses and adds a significant fire risk.
Canada needs to step away from Federal Fleet services, take the lessons learned from that, the RFA , the US systems and stand up the RCFA.
This fleet starts out with Astreix and the harbour tugs and some other small vessels like the Torpedo Recovery vessels.
Davie is contracted to build Astreix sistership and put into the RCFA fleet. Two Kingstons are transferred to this fleet and outfitted for route survey and clearance, one on each coast. Eventually these will be replaced by more modern vessels with AUV's.
So eventually the RCFA fleet will look like this:
2x Amphibious landing ships (Mistral or similar)
2x route clearance vessels
1x Oceangoing and ice strengthened LST (Mainly for Arctic ops)
1x Ocean going tug with salvage, towing and firefighting capability
1x Ocean going Fleet Repair vessel, with cranes, divers, repair shops
Multiple smaller vessels on each coast (tugs, personal ferries, floating cranes, etc)
The RCFA primary mission is to support the RCN and the government of Canada's objectives
Secondary missions to support Allied efforts overseas, both in training, and on missions
Third mission is to support the training and certification of Canadian Merchant Marine personal to be come the future RCFA personal, ships pilots, escort tug masters, etc. Each maritime school gets slots and funding to send candidates onto the vessels. Slots are also open for Naval Reserve and Sea Cadets.
The RCFA could be structured under DND or another Department as a SOA, similar to how the CCG operates. The RCFA could also support CCG missions like environmental disasters or disaster response. I am guessing the above fleet will need roughly 500 seagoing personal, plus supplements from the other orgs.