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Subject Author Date
Drywall and ducting Eigenvector 03-27-2007
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Posted by Eigenvector on March 27, 2007, 11:36 pm

> After the last one had me going, I can't wait to see how this one
> transpires..
> Searcher
>
The last one In retrospect dumping the salt OUT OF the bags into wheel
barrow ( clean) spreading around the pool with shovel might of been a better
idea, to bad I didn't think of that.



Posted by gpsman on March 27, 2007, 11:53 pm


<brevity snip>
> is it okay
> to butt the drywall up against (flexible HVAC) ducting or should I leave a gap?

I'd leave a gap, then trim it out.

'Course I'd box the ductwork to begin with, but your project may
differ from those I've encountered. IME construction/remodeling is
always a series of compromises but there are no expansion/contraction
issues in your situation of which I am aware.
-----

- gpsman


Posted by Dean on March 28, 2007, 7:21 am


> So far I've read that ducting channels can be made from drywall only. I'm
> not interested in enclosing the ducting all the way, it isn't necessary for
> where I'm working, so my question is when I install the drywall, is it okay
> to butt the drywall up against the ducting or should I leave a gap? I'm
> wondering if thermal expansion of the ducting makes it necessary to leave
> space or if there are other considerations that make leaving space
> necessary.

Local ordinance type stuff maybe.As for a piece of sheetrock on the
wall touching the duct a bit it should'nt be a problem..If fire
caulking was an issue then a gap might be good for the caulk to lay
in.. I'd say as long as it does'nt affect how the duct lays on the
hangers You're doing good.
Dean


Posted by Bennett Price on March 28, 2007, 1:40 pm

> After the last one had me going, I can't wait to see how this one
> transpires..
> Searcher
>
The last one In retrospect dumping the salt OUT OF the bags into wheel
barrow ( clean) spreading around the pool with shovel might of been a better
idea, to bad I didn't think of that.



Posted by jJim McLaughlin on March 28, 2007, 4:28 pm


Eigenvector wrote:
> So far I've read that ducting channels can be made from drywall only. I'm
> not interested in enclosing the ducting all the way, it isn't necessary for
> where I'm working, so my question is when I install the drywall, is it okay
> to butt the drywall up against the ducting or should I leave a gap? I'm
> wondering if thermal expansion of the ducting makes it necessary to leave
> space or if there are other considerations that make leaving space
> necessary.
>
>

If you leave space, you have created at no extra effort a conduit or
chase for tv cable
( quad shield RG6 co-ax, etc); network cable (CAT 5 / CAT 6);phone
(POTS) cable,
fibre optic cable, etc.

Put in 4 or 6 pll strings the lengtof the outside of the ducting but
inside the drywall enclosure.c

IMHO you can't have too many conduits or chases that you can use without
lotsof wa;ll board cutting. You never know what the future will bring.

I've re cabled (or just plain cabled) two older houses. Clear runs
without a lot of wallboard
cutting or stud drilling are your friends.

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