radiant under \"real\" hardwood flooring ?

Constantin

... the whole house is radiant floor heating and nary an issue. I second the call for controlling the water temperatures such that neither the piping nor the the floor is shocked with super-hot slugs of water. Outdoor reset, good insulation, and a flat consequent heating curve are your friends.

The oak flooring was allowed to acclimate for several weeks on top of the heated subfloor and hence the moisture content was pretty low when it was installed. I have yet to hear a squeek or anything else from the floor as it heats.

If the wood you're considering is very, very finicky, you could always revert to a floating floor. However, as long as you're going for true, quarter-sawn wood, don't aim for 12" wide planks and whatnot that most flooring materials will work with radiant floor heating.

Kevin_33

radiant under \"real\" hardwood flooring ?

Are there any issues with installing radiant under new hardwood flooring?

hr

Nails

properly acclimated is one key. Also the lowest possible supply temperatures. Constant circ also helps minimize temperature swings that the wood will see.

Plenty of great hardwood/ radiant info at virtually all the wood flooring websites.

www.launstein.com has some excellent radiant/ hardwood info from actual lab testing.

hot rod

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Kevin_33

Hot Rod,
Thank you, very good source.

Chuck Shaw_4

Kevin

Check this link as well

http://forums.invision.net/Thread.cfm?CFApp=2&Thread_ID=27397&mc=14

Chuck

Steve Garson

I have radiant under 3/4-inch oak nailed to 3/4-inch plywood. I need to run a higher water temp than I would like: 140* and as high as 150* on zero degree days. The temperature delta at the boiler is less than 20*. If I could have done it all over again, I would have doubled up the radiant tubing and used reflectors. Be sure to insulate the plates at the outer walls very well, since air and cold infiltration from the sides could suck away all your warmth.

Steve Garson

I have radiant under 3/4-inch oak nailed to 3/4-inch plywood. I need to run a higher water temp than I would like: 140* and as high as 150* on zero degree days. The temperature delta at the boiler is less than 20*. If I could have done it all over again, I would have doubled up the radiant tubing and used reflectors. Be sure to insulate the plates at the outer walls very well, since air and cold infiltration from the sides could suck away all your warmth.