Radiant Heat and shimming subfloor
I’m renovating an old house and have to lay down 3/4″ ply on tapered 2x shims to level out the floor. I may jack the floor some, but I doubt that I’ll get all of the shape out of the floors.
I’m interested in heating the place with under floor hydronic. My questions is…Will having an air space (between the new plywood where the floor is shimmed, and the old plank subfloor) reduce the effectiveness of hydronic tubes under the old subfloor?
The air space may be as much as 2″ in some places. Is radiant heat just not appropriate under these conditions?