Not much to them, U-shaped aluminium frame (anodized would be good)
stout enough to handle the weight of a wet cover. Skirting will
probably need structural reinforcement at the pivot point and the leash
attachment point.
GotBonus wrote:
We recently purchased a spa and are looking for DIY plans for a "cover lift"
available online. I see a few versions available on eBay, but thought I
would ask here first before I buy there.

Thank you much