Pex Mat For Under Floor Heating In Concrete

Quite simply concrete floor radiant heat is a system of pex tubes that carry hot water throughout a concrete floor or slab.

Pex mat for under floor heating in concrete. It is potable and ultraviolet resistant for protection against sun damage during installation. R 5 polystyrene insulation and covered by 3 8 in oak flooring. Most floors can be heated up to be warmer than they would otherwise be. Heatweave underfloor mats are the perfect solution for warming nearly every type of floor covering without having to tear it up.

A heating mat can t be cut and pre set distance between the cables must be maintained. Senphus 2fhm series are available in different lengths and wattage. This size is adequate for all small to medium size jobs both in residential and commercial projects. Pex tubing spaced 12 in on center.

Pex rails help to ensure an even spacing for the layout pattern. The floor construction in that case is a 4 in concrete slab sitting on 1 in. Typically used in structural and non structural concrete slab applications pex rails can be fastened to almost any surface including wood foam board insulation and concrete. Check my layout for an example.

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. Pex tubing size and spacing based on btu load 1 2 oxygen barrier pex is the most popular size used for radiant floor heating in both thick and thin slabs. With 7 8 xl pex you can expect a heat output of at least 50 btu s per foot in a slab on grade installation and 40 btu s per foot in a floor joist application. The embedded tubing circuit consists of 1 2 in.

If you have access beneath the floor simply staple underfloor mats between the joists. When installed the mats need to be covered with at least 5mm of concrete or filler. Electric radiant floor heating mats are ideal for installations under natural stone or tile floor.