New Slab Installation

[Greg Whitehurst]

Hello, I am in the process of planning a new home with a slab foundation. My question is. Has anyone heard of someone pre-installing a conduit from the attic down to and in the slab to the outside for the purpose of running the coax to the attic for distribution to the rooms.

 

[TheKrell]

I haven't heard of it but I see no reason why you couldn't do it. I personally would prefer that conduit to go through the house and out above the slab.

 

[HipKat]

I'd be more inclined to run thermal heating in the slab before I did cable. I live in a slab house. The floors are brutal in winter

 

[Kelly_A]

It’s common practice to run pex through pvc pipe in a foundation. I don’t see why you couldn’t do it for coax and cat6. I’d make sure you pre-run all the cabling you’ll initially need and some some extra runs to future proof the install. Additional pulls in the future won’t be as easy due to the existing cabling and the 90° transition from the slab up to the attic.

I suppose you could do two runs of pvc, one with the cabling and a parallel run of empty pvc (or with pull strings already threaded) for future pulls.

 

[navychop]

Why would you run pex thru PVC?

 

[the mack]

Why would you run pex thru PVC?

I am assuming to protect it from damage and allow a easy replacement if for some reason it is necessary. (like to replace it with copper )

 

[AZ.]

Hello, I am in the process of planning a new home with a slab foundation. My question is. Has anyone heard of someone pre-installing a conduit from the attic down to and in the slab to the outside for the purpose of running the coax to the attic for distribution to the rooms.

Yes all the time....A poured parking garage has the electrical all throughout it....And we also put sleeves in for sprinklers and control wiring...Use PVC pipe.

 

[mdonnelly]

I am assuming to protect it from damage and allow a easy replacement if for some reason it is necessary. (like to replace it with copper )

I don't recall having the Pex in a PVC pipe when we did our kitchen addition 10 years ago. But looking back, I think it would have been a good idea (no, not for replacing it with copper ).

 

[Jim5506]

I wouldn't put 90's in the slab, better to use 2 45's right next to each other, easier to pull.

 

[nelson61]

I wouldn't put 90's in the slab, better to use 2 45's right next to each other, easier to pull.

Or a long radius 90. Definitely not a standard 90.

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[Bobby]

Or a long radius 90. Definitely not a standard 90.

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Known as a sweep 90.... Never use an ell 90 for pulling purposes.

 

[Brussam]

Just finished a slab house in Texas. Only piping in the concrete was the drain pipes and one PVC run for a floor receptacle (wall to floor place). The fiber comes in through a box on the outside wall and then though flex conduit to the distribution box. Water and gas comes into the wall structure above the concrete and is routed through the attic.