Doesn't TP Tools suggest black pipe anyway? Their system design looks like
it minimizes moisture vapor in the piping so if you build with the drains
they suggest it shouldn't be a problem. You could use the Garage-Pak system
(www.garage-pak.com) that's used/advertised on the car shows on Speed and
Spike, but I'll bet it's quite pricy compared to black or galvanized pipe.
Can't hurt to check.
FWIW,
Ron
On Mon, May 2, 2011 at 5:17 PM, Obaa <obaa996@yahoo.com> wrote:
> I know this has been extensively covered before, and I've already done
> searches,
> so I promise this is something new... :)
> I'm planning on running
> compressed air lines throughout my garage during the
> next few weeks. I will
> be using black pipe because copper is currently too
> pricey. I've seen the TP
> Tools pdf on routing lines and drops, so have that
> covered. My questions are
> probably so basic that they're assumed knowledge....
>
> I've read that rust is
> one of the main disadvantages to steel pipe. Is there a
> paint/coating I can
> run through the pipes before installation to keep down the
> rust? I've also
> had problems before in trimming pipe to the correct length and
> sealing the
> joints in the past. I'd like to keep the pipes
> snug to the walls, so
> wondering if there was some formula/trick to determining
> where to cut a pipe
> so the length ends up correct, and if there is a thread
> sealant so that the
> pipe will be properly sealed in case it was cut slightly
> "short"?
> _______________________________________________
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