Can you leave a Legalett slab in winter in Canada without the heat on?
...slab, slabs are their specialty and they’ve been at it for decades. I’d have no concern whatsoever with frost heave, that’s their job.
Important to note - if you do go for a Legalett slab on grade kit, the temperature setting is not so precariously determined that you need to worry if there is a power outage and it dr...