ShonTron
Moderator
Yes, those panels were crumbling in places, and they had built-in slots for single-pane windows. Any repurposing of them would require a major overhaul to bring them up to today's code… so I assume they are heading for a crusher, and then recycling.
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Or, if we're lucky, to the Leslie Street Spit or the bottom of the Scarborough Bluffs!