Thursday, November 23, 2006

Installing The Radiant Heating

The workers finished laying the pex tubing for the radiant heating today. There was a fair bit of prep work which took most of last week to complete: first they put down a bed of gravel across the whole floor; they then installed a high tech insulation product (the white layer in the picture) that ensures that the heat is reflected into the room; after that a metal grid was tied together not only serving as a structure to attach the pex but also to reinforce the concrete slab that will be poured on Monday. The heating system driving the radiant floor will be an on-demand hot water system that not only provides the house with hot water but also the floor.

5 Comments:

King of Kentville said...

Curious... I am looking at the wall studs in the picture and I am wondering if you are going to pour the cement around them. If you are won't the wood eventually rot from the moisture in the cement? Maybe there is something underneath the studs (that the picture doesn't show clearly) that will keep the cement from touching the wood?

11/24/2006 04:54:00 AM  
Erik Grossman said...

As you can see from my most recent post now that the cement floor is in, the studs don't come in direct contact with the slab. The sill that will be nailed to the bottom of the wall studs will be pressure treated (PT) lumber The bottom of the studs will be cut to measure. This PT will be bolted to the concrete slab as part of the seismic upgrade to the house. Pressure treated lumber will not rot (at least in my lifetime!).

11/28/2006 09:33:00 PM  
Kristin said...

Radiant heat - I'm so jealous!

11/29/2006 09:04:00 AM  
M said...

Interesting! Neat that you can use an on-demand system for radiant heat. Where does the heat water return to, after going through the tubing and heating the floors? If you had a hot water tank, it would go there I would think, but if you have on demand, where does it go?

12/21/2006 10:53:00 AM  
Erik Grossman said...

M... when I get the specs of the system, I'll publish them on this blog. There appears to be quite a number of people interested.

12/22/2006 07:07:00 AM  

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