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Posted by RicodJour on October 21, 2009, 11:07 pm
> I've got a weird situation where I need to hang sheetrock upside down, li=
ke
> on a ceiling. =A0The board has to span 28 inches between supports. =A0The=
re is
> no way I can put any more support between the span. =A0Is there any speci=
al
> sheetrock that is stronger than the regular stuff I can get at the borg?
> Any recommendations would be greatly appreciated. =A0Thank you.
Explain what you're doing, and you will get worthwhile input.
Otherwise here's the standard answer:
No, you can't unless you like wavy ceilings, like the ocean, but
upside down.
R
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Posted by Jack on October 21, 2009, 11:16 pm
You're right Rico. Not enough info.
I am wrapping the main trunk in the basement. On each side of the trunk,
I've got metal studs hanging down from a track. The bottom track is in the
same plain as the bottom of the trunk. This was done to get the most
headroom. The sides have got 1/2" sheetrock already installed. I really
don't want to drill holes into the bottom of the trunk to tack the
sheetrock, but I am thinking I might be forced to keep the sheetrock from
sagging.
>> I've got a weird situation where I need to hang sheetrock upside down,
>> like
>> on a ceiling. The board has to span 28 inches between supports. There
>> is
>> no way I can put any more support between the span. Is there any special
>> sheetrock that is stronger than the regular stuff I can get at the borg?
>> Any recommendations would be greatly appreciated. Thank you.
> Explain what you're doing, and you will get worthwhile input.
> Otherwise here's the standard answer:
> No, you can't unless you like wavy ceilings, like the ocean, but
> upside down.
> R
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Posted by Colbyt on October 22, 2009, 10:19 am
> You're right Rico. Not enough info.
> I am wrapping the main trunk in the basement. On each side of the trunk,
> I've got metal studs hanging down from a track. The bottom track is in
> the same plain as the bottom of the trunk. This was done to get the most
> headroom. The sides have got 1/2" sheetrock already installed. I really
> don't want to drill holes into the bottom of the trunk to tack the
> sheetrock, but I am thinking I might be forced to keep the sheetrock from
> sagging.
I don't think you will have many problems in this situation.
I would add a single 1" DW screw at the mid-point or use construction
adhesive every 16-24".
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Posted by EXT on October 22, 2009, 10:53 am
> > You're right Rico. Not enough info.
> > I am wrapping the main trunk in the basement. On each side of the
> > trunk, I've got metal studs hanging down from a track. The bottom
> > track is in the same plain as the bottom of the trunk. This was
> > done to get the most headroom. The sides have got 1/2" sheetrock
> > already installed. I really don't want to drill holes into the
> > bottom of the trunk to tack the sheetrock, but I am thinking I
> > might be forced to keep the sheetrock from sagging.
> I don't think you will have many problems in this situation.
> I would add a single 1" DW screw at the mid-point or use construction
> adhesive every 16-24".
DON'T install screws into the sheet metal duct, you will have nothing but
troubles as the sheet metal duct moves all the time as it heats up and/or
cools down, and it won't stop sagging as the sheet metal will just sag by
being pulled down by the weight of the drywall.
I have heard/read of some very strong "drywall" type materials, you may have
to do some Google research and it is expensive and special order once you
find a supplier.
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Posted by Mike Paulsen on October 21, 2009, 11:17 pm
Jack wrote:
> I've got a weird situation where I need to hang sheetrock upside down,
> like on a ceiling. The board has to span 28 inches between supports.
> There is no way I can put any more support between the span.
How about under the span? Can you spare an 1-1/2" headroom to run 2x4s
at 16" o.c. perpendicular to the existing framing?
> Is there
> any special sheetrock that is stronger than the regular stuff I can get
> at the borg? Any recommendations would be greatly appreciated. Thank you.
Both 5/8? type X and 1/2" high-strength ceiling panels are rated for 24"
o.c. framing. Both should be available, and some claim the 1/2" has
better sag resistance than 5/8". I'm not going to say go ahead and do
it, though. I don't know enough about the situation.
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