Use the exact flooring product’s electric-heat instructions and a documented assembly.
Some resilient floors allow electric radiant heating, but approval is product- and installation-specific. Confirm the exact flooring line, installation method, heating system and country-specific guide before installation.
- COREtec Originals/WPC: the guide linked from COREtec’s current installation page discusses electric radiant floors and requires at least ½ inch separation between heating-system components and the flooring. It sets a maximum operating temperature of 85°F and recommends an in-floor sensor. Follow its substrate, moisture, installation and gradual-startup requirements as well.
- Karndean: its format-specific guidance allows compatible underfloor heating and requires mesh/wire heating to be embedded in an appropriate primed levelling layer. Use the limit for the selected format and location. The Loose Lay guide distinguishes 85°F for the USA from 27°C for Canada; these are regional limits, not equivalent temperature conversions.
- Marmoleum is not a blanket electric-heat approval. For example, Forbo’s current Marmoleum Cinch LOC SEAL instructions recommend only hydronic underfloor heating. Do not transfer a statement about one Marmoleum product to another.
Do not place an exposed electric mat directly under vinyl unless both manufacturers document that assembly. Keep the specified temperature protection, use compatible setting materials and avoid heat-trapping rugs or furnishings contrary to the flooring instructions.
Sources: COREtec WPC installation guidance, Karndean underfloor-heating guide, and Forbo Marmoleum Cinch LOC SEAL instructions.