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Affixing OSB to Ceiling Joists with (brad?) Nails

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Affixing OSB to Ceiling Joists with (brad?) Nails deans@wdeans.com 10-16-2007
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Posted by Edwin Pawlowski on October 16, 2007, 9:56 pm

>
> I know that you don't have to have boards of any sort over the ceiling
> joists at all if you are not exposing any electrical. I have seen a
> few with the ceilings down and the joists painted flat black (esp high
> ceilings) but in my case there is normally Romex or other reasons why
> it wouldn't work. If there is a code reason why nothing is OK but yet
> OSB is not OK then please let me know.
>
> I worry about thinner boards not being stiff enough to span the 16"
> without eventually developing dips.

If it is allowed to be open, then I doubt the OSB would be a problem.
Replacing drywall with a different material could be for fire rating.



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Posted by John Grabowski on October 16, 2007, 7:41 am

> Greetings,
>
> In rental properties I often have problems in which I need to pull
> down the ceiling. Drywall ceilings are destroyed in this process and
> drop-in-tile ceilings are considered "low class" by some tenants.
> They also lower the ceiling height. I have torn down a drywall
> ceiling which was water damaged... for the THIRD time in the same
> property. I have the notion that I would like to replace it with a
> 1/2" OSB or Plywood ceiling held up by brad nails. After popcorn
> texture is applied it would look no different from a regular drywall
> ceiling but I could hire a $10/hr guy pull it down if need be and
> reattach / paint it. OSB and Plywood are also much more water
> resistant than drywall.
> I believe that screws would make this process much harder if not
> impossible. What is the minimum spacing of 2" 18 AWG brad nails (16
> AWG?) that I would need to hold up this 1/2" board with 16" joist
> spacing? (too many will make the boards harder to pull off). If for
> some reason it is not possible with brad nails then what is the
> minimum finish nail requirement or some other fastener which I can
> pull out instead of having to unscrew after the heads are filled?
>
> Thank you for your time,
> William
>
> PS: The last question I posted received some very helpful answers but
> also a lot of off topic responses and responses which were not
> addressing the question which I asked. No, you WILL NOT be able to
> tell after I lightly texture coat with a single coat drywall mud mixed
> with paint then popcorn. I'm not going to fix the water problem.
> Period. If you want to talk about "source of water", "stopping
> water", "addressing water" or how stupid I am you are welcome to among
> yourselves, but I might not be able to find the time to respond to
> you. This is a question about safely (if possible) affixing OSB to
> the ceiling with (brad) nails.


Does the OSB have the same fire rating as the drywall?


Posted by HeyBub on October 16, 2007, 8:45 am
John Grabowski wrote:
>
>
> Does the OSB have the same fire rating as the drywall?

Who cares? It's a rental.



Posted by Mikepier on October 16, 2007, 11:02 am
What is causing the ceiling damage? If this is a recurring thing, try
to get it resolved. Another option is to put an access door where the
problem is.


Posted by deans@wdeans.com on October 16, 2007, 11:39 am
> What is causing the ceiling damage? If this is a recurring thing, try
> to get it resolved. Another option is to put an access door where the
> problem is.


In this particular property the third floor is a an attic with a
standard stairwell so people commonly use it as a bedroom. Since it
is hot in the attic people tend to leave the windows open. The first
good multi-day rain or torrential downpour with a cross breeze and
enough water can blow in to ruin the ceiling below. Once there was a
cup on the windowsill and it collected well over an inch of water
during such a session (maybe 2). The floor is made out of 1" oak T&G
floor boards and the water just drips straight through. If I wanted
to fix the problem I could nail down plywood and then glue down
linoleum so that the water didn't pass through the floor... but then I
would be replacing linoleum instead of ceilings. In other properties
people overflow the toilet, don't pay for more fuel oil and let the
pipes burst, or stop up the tub with paper towels and turn it on full
blast before they leave the house after being evicted and then claim
vandals must have broken in and done it after they vacated. Sometimes
there's a roof leak but normally it's a man-made disaster.


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