[Greenbuilding] PEX location in concrete slab

[Speireag Alden]

Sgrìobh Ken Beiser:

>I am dong a job where we are installing PEX in a 4" concrete slab 
>over 2" of XEPS.  One fellow mentioned we should have the PEX right 
>on the XEPS foam and put the rebar over that.  He suggested wire 
>"staples" to hold it in place.  It sounds like asking for a bit of 
>trouble since the PEX has a little memory and energy so it could be 
>a pain.  I was planning to tie the PEX to the rebar putting the PEX 
>closer to the slab surface.  Does anyone have any preferences or 
>advice?

     Tie it on top of the rebar.  You want it near the finished 
surface, but not near enough to cause structural compromise.

     PEX is tough stuff.  In large commercial slabs, they tie it to 
the rebar and drive concrete trucks over it for the pour.

-Speireag.

-- 
Leaves starting to turn
Anticipation shivers
Me as winter comes

-Speireag.