Can floor heating cable be installed on a tiled wall to warm towels or add room heat?

No. Electric floor heating cable is listed for installation under floor coverings only, and NEC 424.38(A) does not permit heating cable to be installed in walls. Running it vertically voids both the UL listing and the warranty. For warm towels and a little extra room heat, specify a heated towel rack , which is designed and listed for wall mounting.

Does a bathroom floor heating system require a separate GFCI breaker, and what amperage?

No separate GFCI breaker is required — every WarmlyYours thermostat has a built-in Class A (5mA) GFCI. Stacking a GFCI breaker on top of it is one of the most common causes of nuisance tripping. Run a dedicated breaker sized to the load at 80% continuous duty: a 15A circuit carries up to 1,440W at 120V, a 20A circuit up to 1,920W. Loads beyond the thermostat’s 15A rating need a power module or relay.

Is there anything important to note when laying Prodeso installation membranes next to each other?

When laying Prodeso installation membranes adjacent to each other, align the square relief pegs for the later heating element cable runs.

What are the best home features for cold climates?

The best home features for cold climates include a simple gable roof to shed snow, covered entrances for protection, airtight triple-pane windows to prevent heat loss, and radiant heating systems. These features work together to maintain interior warmth, reduce energy bills by up to 25%, and ensure structural safety during harsh winters.

TC-MEM-BL-CNR-IN | Support

Name: Prodeso Preformed Inside Corner 6″ x 6″ for Membrane (Each)
Brand: WarmlyYours
SKU: TC-MEM-BL-CNR-IN
Price: 20.0 USD
Availability: InStock
Rating: 5.0 (2 reviews)

Support Questions

Showing 10 of 14 questions

Can I use self-leveling cement over Prodeso membrane?

Self-Leveling (SLC) Cement is not recommended for use over Prodeso. Contact WarmlyYours if self-leveling underlayment is required.

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How do I install tiles over the Prodeso membrane?

Install membrane over entire floor first, then heating cable, then do the tiles 1 or 2 at a time. Never cover the Prodeso entirely with thin-set first. Only apply as much thin-set as needed to lay a couple of tiles at a time.

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Is Prodeso membrane waterproof?

Waterproofing is recommended under and around tubs/showers. It’s also recommended wherever the tile could possibly be exposed to considerable amounts of water. Prodeso is naturally waterproof, but the corners and seams need to be treated with waterproofing tape and thin-set. (Use Pro WP Waterproofing Band 5“ - Soft polyethylene tape – to seal seams.)

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Do I need expansion joints when using Prodeso installation membrane?

Prodeso installation membrane does not eliminate the need for expansion joints (adhere to local codes).

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How do I flatten the Prodeso membrane when it arrives in a roll?

Unroll the membrane the day before installation to flatten it and avoid any potential ‘memory’ due to environmental conditions.

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What is the spacing/width of the rounded square reliefs?

1.25"

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What spacing is used for the wire with Prodeso Cable Installation Membrane?

The wire spacing in the Prodeso Cable Installation Membrane is 3.75“, or every 3rd peg.

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Are small mosaic tiles a good choice for installation over prodeso membrane?

Not a good choice for mosaic tile work, Prodeso requires 2“ x 2“ or larger tiles.

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Can I limit how hot a heated tile floor gets so it never exceeds about 80°F?

Yes. The floor never free-runs — the thermostat’s floor sensor governs output, and you set a maximum floor temperature limit in the thermostat itself. Most heated tile bathroom floors are set between 80°F and 85°F. Set that limit during commissioning and record it on the handoff sheet so the homeowner does not raise it past the flooring manufacturer’s rated maximum.

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Can electric floor warming be added to a bathroom that already has hydronic radiant heat?

Yes, but the tear-out is the real risk. Scan the floor with thermal imaging before demo to map the existing hydronic tubing, and never fasten or drill into it. Keep the two systems on fully independent controls so they cannot fight each other, and do not place the electric floor sensor directly above a hydronic loop — the false-high reading will short-cycle the electric system. Call PRO technical support at 800-875-5285 to review the assembly before ordering.

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