Thank you very much for your responses. Super helpful. Responding in turn.
Minimum thickness requirement - none in the installation guide - it's Galleria engineered wood, just flags need to keep floor temp below 27 degrees. I've contacted manufacturers for advice.
Bonding - planning to go...
Hi,
I'm having UFH gypsum overlay boards installed on an (insulated) concrete subfloor. UFH specaliststs have recommended using a self levelling compound before enginered wood floor is laid on top. They won't do the self levelling and carpenter won't do it, so I'm trying to figure out:
a)...