Use DriCore subfloor with radiant heat?

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Posted by: from Delta
2/29/2016 at 4:35:50 PM

We have a project to replace our basement flooring which is carpet, and our main floor carpet with the new luxury vinyl planks. Both floors are concrete with radiant floor heating. Would you recommend a DriCore subfloor on the concrete radiant heated floor and then installing the vinyl planks on the DriCore? Is a subfloor necessary? I assumed it would be as it didn't seem like you would install the vinyl planks direct on concrete.

Thank you for any help you can provide.

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Date/Time3/2/2016 at 3:25:25 PM

I would not recommend to put a subfloor of any kind on radiant heated floor as it will block the heating to come through. Contact the vinyl floor manufacturer and consult with them on how you would go about installation on the radiant heated concrete. I would install right on top of the concrete but as I said there might be some steps involved, so best to contact them first.


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Date/Time3/2/2016 at 10:02:36 PM

Hi Joe,

Edgar has the right idea.

I would level out the floor with self levelling concrete and apply the vinyl flooring directly on top of that.

DRIcore panels have an R rating of 1.7 which translates to a little more than 3 degrees Celsius in its resistance to heat transfer which means you are turning up the heat and subsequent energy consumption to accommodate a sub-floor that is not needed.

Also it is important to note that adding sub-floors to basements (or anywhere for that matter) changes the rise of the stairs at the bottom step (in the case of a basement) and this will create a Building Code violation if not addressed.

Best of luck

Jason Irving

Cedarfalls Building Consultants Limited

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