Wood floor underlayment over radiant heated floor
I am building a 2 story house wood frame house(with basement) that is heated with radiant hot water system installed in the floor.
The joists have been blown in with loose fill cellulose (for both sound and to keep the heat up) and a plywood floor is on top of the joists. R5 foam board is installed on top of the plywood and the PEX tubes are installed to the foam board. They will be pouring a self leveling concrete on top of the PEX and then gluing down engineered wood floors.
My contractor told me that wood floors on a light weight cement will feel very hard and he recommended installing a type of foam product that would go between the concrete and the wood floor. he says it will soften the floor.
I am worried that this type of foam will act as an insulator and I will need to raise the water temperature of the system.
Does anyone here recommend putting this type of under layer down and if so can you recommend a product that would soften the wood floors but not have too high an insulating value?
Posted Wed, 03/05/2014 - 10:09
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