How To Install Radiant Floor Heating Under Concrete

The workers in the photograph at page top where our concrete slab.

How to install radiant floor heating under concrete.

Pex is an acronym for cross linked polyethylene a plastic tubing installers use for hydronic radiant heating systems. Check out our video how to install radiant floor heat tubing in a slab on grade and read this page for a full description. There are two basic types. When installed in a concrete slab radiant underfloor heating is.

While hot water and air based radiant. Its success with carpeted floors depends on the length of the weave thick carpets or those with thick pads won t work well as heat generated by the system will stay trapped in the floor. Another option for radiant floor heating that is energy efficient are systems that circulate hot water through small tubes under the floor. The heating contractor laid out the pex tubing according to the zones that were established for heating the home.

How to install pex tubing for a radiant heat floor. How to add floor heating over existing concrete. These are all things i feel are best left to someone who is trained to install radiant heat in concrete floors. Radiant heating system design or installation mistakes that must be avoided.

The concrete was 4 thick and the insulation under the slab was 2 thick. 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. 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. These radiant floor heating systems can also be installed on top of a slab before the flooring goes down.

Installing pex tubing in a concrete slab is one of the easiest ways to install radiant heat. This article explains how to avoid some fatal mistakes when installing radiant heat in a concrete floor slab by describing an incompetent radiant heat floor installation along with an explanation of why things went wrong and how to avoid these errors. Installing underfloor electric radiant heat.