The compacted aggregate base is first followed by a 6 mil polyethylene vapor barrier then insulation then rebar or wire mesh or both.
How to install in floor radiant on slab.
Allow drying of the thinset for the recommended time on the thinset packaging.
Screw down a track with precut grooves for plastic tubing to the plywood subfloor.
14 years later still in good shape and seems to keep house warm and comfortable.
Radiant heat floor slab installation details vs design specifications.
The insulation phase is crucial for a radiant floor.
Here s how to go about installing it.
Staple the matting to the floor to hold it in place if necessary.
Insert flexible plastic tubing into the track.
Test the continuity of the cabling again.
We were told the only way to go was a wood engineered floor glued down.
Apply a layer of thinset completely covering the radiant heating mesh.
We wanted a wood floor and spent a lot of time talking to flooring experts.
Radiant heat tubing in a concrete slab needs to be closer to the top of the slab than its bottom normally in the top 2 inches of concrete.
Using the table below the btu load can be used to determine size spacing and average circuit length of pex tubing to be used.
Secure a plywood subfloor to the concrete slab.
To calculate total length of tubing you ll need to know the btu load.
Pex tubing select between the oxygen barrier pex and pex al pex tubing types.
For 1 000 square feet hydronic floor heating for a boiler materials and installation costs would be 5 800 to 7 900 these prices cover the cost to install radiant floor heating in a concrete slab the most common floor installation type the boiler alone costs 1 750 to 5 100 for a boiler with this capacity.
Mainly heated slabs radiate outward rather than downward so insulation on the edges of the slab is most important.
Barrier pex is much more common and is generally a preferred choice.
Basic materials for radiant floor heat installation in a slab 1.
Placing tubing deeper in the slab means simply put that more heat will transfer into the slab and ultimately into the soil below than.
Pull out your custom installation plan and identify where the thermostat should be placed.