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Cable tubing is a meme.

Nobody does it except possibly between floors, as fish tape and other things aren’t terribly complicated, and the cost is way higher than naked runs.

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If the framing is complicated, or it's an old building, it can be very difficult or impossible to fish it (And I consider myself to be extremely good with glow rods). Much better to install smurf before the drywall goes up.

I’m sure that it’s easier, but I think you’re pretty much stuck doing it DIY.

Commercial installers wouldn’t give me the time of day, and anyone who did residential work just looked at me like I was insane when I asked about smurf tube.

Silly boy, the m is silent.

That's weird, when we remodeled I told my general contractor where the TV and receiver were going and he had 1.5" flexible conduit run between the two places.

Yeah I've been reading these 'conduit in walls' posts for two decades+ now. My cables go through the attic and drop straight down. I could literally grab most of them with my hands through the holes. It seems like theres very little to gain.

Only place I'd see it as necessary are exterior walls that are full of insulation. Or if I was building a custom house or something.

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