Installing Radiant Floor Heating On Existing Concrete Slab

Shimon rura nov 23 15 at 20 05.

Installing radiant floor heating on existing concrete slab.

You can step onto a warm and inviting floor even one built on a concrete slab by adding in floor heating. We were told the only way to go was a wood engineered floor glued down. The heat from the radiant heated floor rises to heat all surfaces in a room or home. Existing slab foam for insulation vapor barrier subfloor with radiant tubing paths finish floor.

How to add floor heating over existing concrete. 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 is a method of heating the floor by using electrical wiring or heated water with the heat then transferred upward thorough the. How to install radiant floor heat in an existing 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. Basic materials for radiant floor heat installation in a slab remember since you will only have 1 chance to pour the concrete slab you will only have 1 chance to put the pex tubing in it. You re going to lose a lot of energy heating the slab ground if there isn t some better insulating layer like foam boards. Radiant floor heating concrete slab insulation.

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. While hot water and air based radiant. Check out our video how to install radiant floor heat tubing in a slab on grade and read this page for a full description. From what i ve read the usual approach is.

Some look like wire fencing that you roll out over the floor. We wanted a wood floor and spent a lot of time talking to flooring experts. 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. 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.