Concrete Slab Radiant Floor Heating Layout

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

Concrete slab radiant floor heating layout. This size is adequate for all small to medium size jobs both in residential and commercial projects. The design and layout of concrete floor radiant heat is often complex and typically should be done by a certified radiant heating professional rather than the concrete contractor. 5 8 barrier pex can be used for larger projects where high btu load is present due to lack of proper insulation larger than normal slab thickness or special project considerations. Check out our video how to install radiant floor heat tubing in a slab on grade and read this page for a full description.

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. 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. If you are new to radiant heat our design and construction manual is a must read this manual provides a wealth of general information about radiant heat. Slab insulation methods calculating heat loss tubing options system options and much more all written in easy to understand language for the homeowner with pictures and diagrams.

1 2 oxygen barrier pex is the most popular size used for radiant floor heating in both thick and thin slabs. Copper within con crete is highly susceptible to corrosion and a lifespan of 50 years for a radiant floor was considered exceptional. A lot of planning and teamwork early in the process will help ensure a successful installation says the radiant panel association in its 2008 radiant flooring guide.