[Cob] Radiant heat floors

[paul]

----- Original Message ----- 
From: "ocean" <ocean at woodfiredeatery.com>
To: <coblist at deatech.com>
Sent: Monday, January 29, 2007 2:34 PM
Subject: Re: [Cob] Radiant heat floors


> 
> 
> Embedding in a slab is easy, one simply zip-ties the flexible PEX to a 
> steel mesh (6" x 6" works well) and then pour the slab over the mesh 
> and PEX.  We installed a hydronic PEX system into a fairly drafty room 
> in my garage and now it's the coziest room in the house!

Ocean, what's the point of the steel mesh?  

And do you use the same technique for earth/cob?