Radiant Floor Heading On Existing Concrete Slab And Insulation - Flooring - DIY Chatroom Home Improvement Forum
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Old 10-07-2014, 10:39 AM   #1
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Radiant floor heading on existing concrete slab and insulation


I'm installing a floor heating system in a downstairs bathroom on concrete slab. The manual recommends insulating the floor to make it more efficient. What would the the best/thinnest insulation to use?

The rest of the House is 15mm laminate. The bathroom will be large format travertene and the floor will already be raised when o slef level it to burry the heating wires so if I do insulate it needs to be reasonably thin.

Is it with doing if so any suggestion on what to use?
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Old 10-07-2014, 02:16 PM   #2
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Insulating a slab is done before the slab is pore with foam under the slab, little late now.
You do know travertine is a porous soft tile and a poor choice for a bathroom, right?
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Old 10-07-2014, 02:56 PM   #3
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Wouldn't sealing it deal with the porous issue? Or is it still my recommended. It's on sale for pretty cheap right now and seems like a good option
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Old 10-07-2014, 03:10 PM   #4
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http://buildipedia.com/at-home/floor...-tile-flooring
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