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Old 07-19-2012, 10:37 AM   #1
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radiant floor heat and lament flooring


ok installed lament flooring in house over radiant floor heat. after one year i have several gaps in floor some as much as one inch in spots . i have flooring left but am hestant to put down new replacement if its going to happen again what would you suggest for replacement?? it is 10 mm lament flooring

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Old 07-19-2012, 12:09 PM   #2
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Where did you get the information to put radiant heat under laminate?....

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Old 07-19-2012, 03:07 PM   #3
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HOME DEPOT i was swaying towards ceramic or porcelain tiles .. they told me laminate was better choice
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Old 07-19-2012, 03:42 PM   #4
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Originally Posted by chessy
HOME DEPOT i was swaying towards ceramic or porcelain tiles .. they told me laminate was better choice
Yeah heating lines go under tile not laminate. Laminate needs room temp to work as expanding and contracting so modifying that by heat lines you will ruin the laminate as what you are seeing now. I'm surprised it lasted that long.
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Old 07-19-2012, 05:37 PM   #5
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radiant floor heat and lament flooring


Actually, it's not the heat that shrinking the wood, it's the UNEVEN heat. If the floor were to heated evenly throughout, it would expand and contract evenly. Hydronics create notorious issues with hot spots, etc.

See if you can get your hydronics installer to better balance the system so you don't have wide temp swings.

...or, you bought cheap laminate that didn't last!
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Old 07-19-2012, 07:36 PM   #6
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10mm is pretty good. Did you stagger your seams 12" apart? Perimitar gap along walls?
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Old 07-19-2012, 07:41 PM   #7
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oh yes i did .. i even went out and bought thicker baseboard to cover the extra space i left... the floor is just junk... it even scratches very easy....
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Old 07-19-2012, 08:11 PM   #8
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Originally Posted by chessy
oh yes i did .. i even went out and bought thicker baseboard to cover the extra space i left... the floor is just junk... it even scratches very easy....
Well I doubt it was the right kind for going over heat lines. I'm just saying I would never recommend it Masonite is a funny thing to work with and that's what most laminates is made of.
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Old 07-19-2012, 08:12 PM   #9
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yup i learned a valuable and costly mistake.....looks like i will have a very big (expensive ) bond fire
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Old 07-19-2012, 08:20 PM   #10
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yup i learned a valuable and costly mistake.....looks like i will have a very big (expensive ) bond fire
That's funny, well if the T&G are still in tacked then you might be able to keep the floor, just pull it up and take the heat lines out then reinstall it.
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Old 07-19-2012, 09:38 PM   #11
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im slab on grade with 8 inches of cement and the heat is in the middle of the cement no bringing it up.... floor has to go ..

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