Installing Radiant Floor Heating On Existing Concrete Slab

From what i ve read the usual approach is.

Installing radiant floor heating on 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. The heat from the radiant heated floor rises to heat all surfaces in a room or home. This system does not move the air with blowers and thereby reduces dust and. 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.

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. You can step onto a warm and inviting floor even one built on a concrete slab by adding in floor heating. How to add floor heating over existing concrete.

In 1973 it has a concrete slab foundation with radiant heat water runs thru copper tubing within slab. We wanted a wood floor and spent a lot of time talking to flooring experts. While hot water and air based radiant. 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.

Radiant heat is a method of heating the floor by using electrical wiring or heated water with the heat then transferred upward thorough the. 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. Some look like wire fencing that you roll out over the floor.

You re going to lose a lot of energy heating the slab ground if there isn t some better insulating layer like foam boards. Shimon rura nov 23 15 at 20 05. Cerazorb acts as a moisture resistant barrier that does not absorb water or swell under the effects of heat. Radiant floor heating concrete slab insulation.

14 years later still in good shape and seems to keep house warm and comfortable.