Installing Radiant Floor Heating Over Concrete Slab

The heat from the radiant heated floor rises to heat all surfaces in a room or home.

Installing radiant floor heating over concrete slab.

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. Quite simply concrete floor radiant heat is a system of pex tubes that carry hot water throughout a concrete floor or slab. 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. In 1973 it has a concrete slab foundation with radiant heat water runs thru copper tubing within slab.

A slab on grade is defined as any concrete slab poured over excavated soil. You can step onto a warm and inviting floor even one built on a concrete slab by adding in floor heating. What is radiant floor heating. Radiant heat can be an electrical heating element embedded into a very thin concrete overlay then tiled carpeted or have wood flooring installed over it.

Another option for radiant floor heating that is energy efficient are systems that circulate hot water through small tubes under the floor. We wanted a wood floor and spent a lot of time talking to flooring experts. 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. While hot water and air based radiant.

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. Check out our video how to install radiant floor heat tubing in a slab on grade and read this page for a. This is about installing hydronic radiant floor heating in a slab floor system.

We were told the only way to go was a wood engineered floor glued down. 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. The system works via pex pipe a small pump a water heater and a thermostat. 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.

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. Radiant floor heating concrete slab insulation.