How to Install Radiant Heat Under a Solid Wood Floor | This Old House

This Old House general contractor Tom Silva shows how to install radiant heat underneath a solid wood floor on site at the Brooklyn house project. (See below for a shopping list and tools.)
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Shopping List for How to Install Radiant Heat Under a Solid Wood Floor:
- _-inch-thick hardwood flooring, used to cover the old floor
- urethane flooring mastic, used to adhere the new hardwood floor to the old floor
- heat transfer plate, used to hold PEX tubing against underside of old floor
- PEX radiant-heat tubing, delivers hot water for heating the floor5. _-inch screws, for fastening transfer plates to underside of old floor
- aluminum foil, used to reflect heat upward toward floor
- open cell foam, for insulating space under transfer plates
- polyurethane, used to finish the new floor
Tools for How to Install Radiant Heat Under a Solid Wood Floor :
- _-inch notched trowel, used to spread the flooring mastic
- hammer and chisel, used to pry the new floorboards tight together
-18-gauge pneumatic nailer with 1-inch nails, for fastening down the new hardwood floor
- drill with _-inch bit, for boring holes in the floor joists for the PEX tubing
- wood putty, used to fill nail holes in new floor
- floor sander, used to smooth the new floor prior to applying a finish
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How to Install Radiant Heat Under a Solid Wood Floor | This Old House
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