What type of area rug is best on radiant-heated concrete floors?

Question

What type of area rug is best on radiant-heated concrete floors?

Asked by June

Is olefin/polypropylene OK? I need rugs that are very fade resistant as there is lots of direct sunlight in the room.

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Raymond Pruban's picture

I don't know about olefin/polypropylene specifically, but here is what I do know about radiant heat and flooring materials.

  • Water running through the in-floor heating system is typically going to run about 20 degrees warmer than you want the air temperature.
  • The actual temperature at the floor will typically be less than 90 degrees.
  • This means most rugs and carpets will not be affected by the temperature of the in-floor heating.

When the in-floor system is initially designed, the spacing of the tubing is supposed to take into account the floor covering (carpet, wood, tile, etc.), which has its own specific R-value. When you start to cover a floor that was not designed to be covered, you might find the room will be a bit cooler than other rooms heated by the same system on the same thermostat. (If they are on separate thermostats/zones, not a problem.)

In general, select carpets and rugs with the lowest R-value. Wool, for example, would not be a good choice due to its high R-value.

For more information:

Read Lily Livingston's Q&A "We are considering radiant heat. Will manufactured bamboo flooring stand up to the challenge?"

Also, read Polly Osborne's Q&A "Has anybody installed radiant heating for the kitchen or bathroom floor?"

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