Installing Radiant Floor Heating On Existing Concrete Slab

How to install radiant floor heat in an existing home.

Installing radiant floor heating on existing concrete slab.

Shimon rura nov 23 15 at 20 05. While hot water and air based radiant. The heat from the radiant heated floor rises to heat all surfaces in a room or home. 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.

Existing slab foam for insulation vapor barrier subfloor with radiant tubing paths finish floor. Radiant heat is a method of heating the floor by using electrical wiring or heated water with the heat then transferred upward thorough the. You can step onto a warm and inviting floor even one built on a concrete slab by adding in floor heating. Check out our video how to install radiant floor heat tubing in a slab on grade and read this page for a full description.

We were told the only way to go was a wood engineered floor glued down. In 1973 it has a concrete slab foundation with radiant heat water runs thru copper tubing within slab. Cerazorb is a 3 16 inch 5 mm thin synthetic cork underlayment that is highly recommended when installing a floor heating system over an existing concrete slab or under tile and stone. There are several manufacturers of electric radiant floor heating systems that can be placed directly on top of an existing concrete slab.

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. We wanted a wood floor and spent a lot of time talking to flooring experts. How to add floor heating over existing concrete. From what i ve read the usual approach is.

So even if there are no existing plans for the radiant floor heating or a snow melting system installing pex tubing in it may turn out to be a good decision. This system does not move the air with blowers and thereby reduces dust and. You re going to lose a lot of energy heating the slab ground if there isn t some better insulating layer like foam boards. 14 years later still in good shape and seems to keep house warm and comfortable.

Cerazorb acts as a moisture resistant barrier that does not absorb water or swell under the effects of heat.