Concrete Slab Radiant Floor Heating Layout

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.

Concrete slab radiant floor heating layout.

Radiant heating system design or installation mistakes that must be avoided. This size is adequate for all small to medium size jobs both in residential and commercial projects. This is about installing hydronic radiant floor heating in a slab floor system. The system works via pex pipe a small pump a water heater and a thermostat.

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. 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. But they all suffered from one primary problem longevity. 1 2 oxygen barrier pex is the most popular size used for radiant floor heating in both thick and thin slabs.

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. Copper within con crete is highly susceptible to corrosion and a lifespan of 50 years for a radiant floor was considered exceptional. 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.