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Re: Mat Foundation with Hydronic Heating System[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Mat Foundation with Hydronic Heating System
- From: "David L. Fisher SE PE" <dfisher(--nospam--at)fpse.com>
- Date: Sun, 30 Jan 2011 14:46:41 -0500
Even better...I like the thermal break.
On Sun, 30 Jan 2011 08:50:43 -0800, "Gerard Madden, SE" wrote:
Put a thermal barrier (styrofoam) and topping slab. Total assembly is usually about 4 inches.
Putting it in the mat makes it very inefficient as now a larger mass must be heated (even when placed at the top).
On Sun, Jan 30, 2011 at 5:40 AM, David L. Fisher SE PE <dfisher(--nospam--at)fpse.com> wrote:
I agree with your gut...if there is ever a problem with the system, it needs to
be at least somewhat accessible...I'd even provide a membrane between the
structural slab and the topping for future removal (if necessary) and to somewhat
limit the thermal stresses in the mat.
On Sat, 29 Jan 2011 21:08:42 +0000, mblangy(--nospam--at)satco-inc.com wrote:
Greetings list,My client would like a hydronic heating system (3/4" Pex @ 12" E/W) to be incorporated into the 12" mat slab foundation specified for their residence. I am considering placing the tubing just below the top layer of slab rebar, but my gut tells me it needs to be in a separate topping slab. Any advice would be greatly appreciated.Michel Blangy, P.E.Hermosa Beac, CA
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