Energy-efficient radiant hydronic heat is a popular option for ICF homes. Hot water is circulated through PEX tubing embedded in the flooring material—usually concrete or wood. Other components include boilers, manifolds, control panels, and some type of insulated flooring.
The Barrier Insulation
The Barrier is an under the concrete or sub floor insulator/vapor barrier made with 3/8" extruded polystyrene and heavy duty 3 mil black polyethylene film laminated to both sides.
The Barrier and BarrierXT are the first products to be specifically designed for use as an underconcrete insulation and vapor barrier for ICF buildings and radiantly heated floors. They are made with a (3/8" or 3/4" thick) unique flexible extruded expanded polystyrene core with vapor-proof film laminated to both sides in 4’ x 60’ rolls.
