Hydronic Radiant Floor Heating Over Existing Concrete Slab

Check out our video how to install radiant floor heat tubing in a slab on grade and read this page for a.

Hydronic radiant floor heating over existing concrete slab. What is the best way to go about installing the in floor. Some look like wire fencing that you roll out over the floor. Existing slab foam for insulation vapor barrier subfloor with radiant tubing paths finish floor. Shimon rura nov 23 15 at 20 05.

The best way to retrofit radiant floor heating without disturbing an existing floor is to do it from below against the underside of the subfloor. In 1973 it has a concrete slab foundation with radiant heat water runs thru copper tubing within slab. We were told the only way to go was a wood engineered floor glued down. There are several manufacturers of electric radiant floor heating systems that can be placed directly on top of an existing concrete slab.

A slab on grade is defined as any concrete slab poured over excavated soil. The heat from the radiant heated floor rises to heat all surfaces in a room or home. We wanted a wood floor and spent a lot of time talking to flooring experts. How to add floor heating over existing concrete.

This system does not move the air with blowers and thereby reduces dust and. In most houses the only place to do this is on a first floor where joist bays are open to the space below. It can go under most existing flooring including wood tile vinyl and even carpet. I don t particularly like them however because they re not very energy efficient.

Radiant heat warms a floor s surface through electric mats or water tubing installed on the surface of a concrete floor and encased in an additional thin layer of concrete or thinset. While it was done as a new house was being built in my last house i poured a concrete floor on top of a wood framed floor system and could have put radiant heat in that as well. To pour another 3 concrete slab on the existing floor. The system works via pex pipe a small pump a water heater and a thermostat.

You can step onto a warm and inviting floor even one built on a concrete slab by adding in floor heating. While hot water and air based radiant. I have 3 of space to use. From a radiant heating perspective it doesn t matter if the slab is actually at grade or is poured several feet below grade as part of a full foundation.

This is about installing hydronic radiant floor heating in a slab floor system. You re going to lose a lot of energy heating the slab ground if there isn t some better insulating layer like foam boards. I would like to install radiant heat on top of the floor. 14 years later still in good shape and seems to keep house warm and comfortable.