Existing Concrete Floor Insulation. Insulate existing concrete floors 1 cover the entire floor with a vapor barrier, such as 6 mm polyethylene sheeting. If the basement floor is wet, hire a professional, find the source of the problem and fix it before doing anything. As the barn had been converted in the mid 1980s and had been a swimming pool it is very unlikely that there is any insulation in the floor
Gary, because concrete is a very good conductor of heat, in a situation like yours it's probably best to create a bathtub of foam inside the existing concrete. I had not considered that there wouldn't be insulation under the existing concrete floor so there would be heat loss and yes, i would use the radiant floor heat as the heating system in this house. Finish walls and install carpet.
Gallery of Existing Concrete Floor Insulation
The insulation is then laid, followed by a polythene separating layer, and either a concrete screed or tongue and groove chipboard, ready to receive the specified floor finish. Concrete floor this is where the insulation, such as kingspan kooltherm k103, is laid on top of the existing concrete slab and final layer of screed added above this. Foam board insulation is used on attics and walls, yet it can also be used to insulate your floors. Remove dirt and backfill to fully expose the existing slab edge.