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NUHEAT Electric Floor Heating Cables

All work by: Harry Dunbar
Barrie, Ontario
Phone: (705) 424 - 5144
Toll Free: 1-866-837-7773

(Toll Free for Ontario residents)


I'll be installing NuHeat Electric Cables - Radiant floor heating cables over this floor area.

Learn about Nuheat's radiant electric floor heating system. Under floor heat for a warm floor.

The NuHeat gauges are very easy to use. They snap together to fit any perimeter.

They may be installed with nails or hotmelt glue.

(I'll post photos soon with the guages being fastened with nails.)
I usually space my rows anywhere from 24" to 32".
The bulky end of the cold/hot connection in the NuHeat cable should be lowered by carving out a bit of plywood to accomodate. In this case I didn't worry about setting it lower because this corner has to be built up a little with my mortar.
I'm using 2 sets of NuHeat cables to give me the correct square footage for the job. I have 2 sets of heating cables (cold ends) running up to the thermostat.

For all in-floor heating systems
Contact: Harry Dunbar
Barrie, Ontario, Canada
Phone: (705) 424-5144
Toll Free (Ontario only)

� The probe / sensor may be lowered into the floor by notching out a a bit of wood from the subfloor (as shown here). This illiminates a bump in the mortar or leveling compound.
It may then be set into the floor with a spot of hot melt glue (as shown here) or tape.


The cables have all been pulled tightly (within reason) so that none are loose and flopping around.

(One of the benifits of installing the gauges with nails over a wood substrate is that you would be able to pull the cables a bit tighter.)
I've found that the NuHeat cables never seem to float up into the mortar. I also use mortar mixed in it's suggested consistency which also helps prevent the cables from floating.
In other words ... don't try to create a self-leveling-compound with thinset mortar.

Some people mix mortar too runny which seems like a good idea at the time ... but it isn't.
The next day ....
First coat of mortar applied over the NuHeat heating cables is dry and now we're ready for the second coat.
Second coat of mortar being applied.
2 coats of mortar to level and create a flat surface is enough for this application, although you may find a 3rd coat is required.
I'll install Ditra crack isolation membrane over the entire area tomorrow.
Pre-cut the Ditra

Ditra is a crack isolation membrane which helps illiminate potential problems such as cracked grout or tile caused by expansion and contraction of the wood subfloor.

Spread only enough mortar you're comfortable working with. If you spread out too much mortar it may skim over (start drying) before the Ditra is laid into the mortar.
I'm using a 100 lb steel roller to push the Ditra into the mortar.


Now I'm ready for tile.
Tile is installed.
Washed ... in preparation for grout.

I've advised my customer to wait 30 days before turning on their floor heating system.

NuHeat Heating Cables and Ditra supplied by: Tilemaster  (Barrie, Ontario)

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