Installing Radiant Floor Heating On Existing Concrete Slab

Existing slab foam for insulation vapor barrier subfloor with radiant tubing paths finish floor.

Installing radiant floor heating on existing concrete slab.

How to install radiant floor heat in an existing home. From what i ve read the usual approach is. 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 hot water and air based radiant.

Radiant floor heating concrete slab insulation. Shimon rura nov 23 15 at 20 05. 14 years later still in good shape and seems to keep house warm and comfortable. You re going to lose a lot of energy heating the slab ground if there isn t some better insulating layer like foam boards.

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. There are several manufacturers of electric radiant floor heating systems that can be placed directly on top of an existing concrete 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.

Some look like wire fencing that you roll out over the floor. Check out our video how to install radiant floor heat tubing in a slab on grade and read this page for a full description. How to add floor heating over existing concrete. Cerazorb acts as a moisture resistant barrier that does not absorb water or swell under the effects of heat.

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. The heat from the radiant heated floor rises to heat all surfaces in a room or home. 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 wanted a wood floor and spent a lot of time talking to flooring experts.

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.