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Old 10-22-2013, 06:15 AM   #1
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Old ceiling drywall in wrong direction


I'm starting to work on the trim and painting in my living room in my home built in 1959, and I need to know if the ceiling drywall NEEDS to be fixed. It was hung in the wrong direction and is sagging from seam to seam. Is it a problem to leave it like this? Will it just continue to sag more and more? Do I need to at least shore up the center row of nails with screws? If something NEEDS to be done, I'd rather do it now.

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Old 10-22-2013, 06:29 AM   #2
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Old ceiling drywall in wrong direction


Has the tape broken and there's now a crack?
Are there nail pops?
Can you push up on the drywall and it moves?
Sure it's not the whole ceiling that's sagging?
What's above this area, any access?

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Old 10-22-2013, 06:37 AM   #3
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Old ceiling drywall in wrong direction


If it has sagged and bagged over the last 50 years,I doubt if the situation can be corrected without removing the old drywall and replacing---

I have run into a house or two that had sagging ceiling joists and once, a set of bad trusses ----so investigate the cause of the sag/bag before you open up a can of worms----Mike-------
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Old 10-22-2013, 06:39 AM   #4
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Old ceiling drywall in wrong direction


No tape breaks or nail pops.
I can definitely push the center of the drywall up at least 1/8 inch and see nails that are under tape - probably are not drywall nails either.
Every piece of drywall is sagging consistently in both living an family rooms, and it is definitely running in the same direction of the trusses.
It's a ranch home with a high pitch so I have lots of attic access. I've added rolls of insulation perpindicular to the trusses, but the ceilings were this way when i bought the house.
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Old 10-22-2013, 06:50 AM   #5
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Old ceiling drywall in wrong direction


Try pulling the drywall back tight to the joists and see if that is acceptable---you may want to 'jack' the drywall up using a 2x4 with a section of 2x4 nailed to the top in a T shape---lay a section of 2x lumber on the floor--measure the distance from the 2x to the drywall---make your T pole about 3/8" to 1/2" LONGER--

wedge the pole between the 2x and the ceiling--tap the bottom lightly with a hammer--this will lift the drywall so you can screw it ---------
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Old 10-22-2013, 06:56 AM   #6
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Old ceiling drywall in wrong direction


New screws in the center truss sounds like the best first step. (others I've thought about are a coffer ceiling and laying new drywall on furring strips) Now would be best to figure it out in the living room before the room is trimmed and painted. The family room is another story since it is already "done." Is it a possibility that the ceiling could come down at some point?
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Old 10-22-2013, 07:01 AM   #7
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Old ceiling drywall in wrong direction


If the wrong fasteners were used, it's possible. I've only seen drywall fall off a ceiling once, and that was in a garage when there was a leak in the roof above and the drywall got wet. However sagging usually suggests the problem is simply the fasteners not at the correct spacing, and/or too thin drywall used.
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Old 10-22-2013, 07:02 AM   #8
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Old ceiling drywall in wrong direction


After all of these years? I rather doubt if it will drop---but you have added more weight with the new insulation----try the screws and see--then run a string and see how much sag there is in the framing.

1959 is rather early for trusses---in this area they did not become popular until the 1970s---- Could you post a picture of the trusses or describe the webbing?

Some early trusses were made by the builder,on site--and were poorly engineered.
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Old 10-22-2013, 07:30 AM   #9
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Old ceiling drywall in wrong direction


My trusses look like this:
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Old 10-22-2013, 02:47 PM   #10
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Old ceiling drywall in wrong direction


Well sounds like if you can push up the drywall then it is nail pops you can try to screw it back up. if that does not work guess what? new drywall ugh! this is why going parallel is bad when doing dry wall always go perpendicular to the framing walls or ceiling it gives added strenght to the drywall.
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Old 10-22-2013, 03:22 PM   #11
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Old ceiling drywall in wrong direction


Myron Ferguson actually illustrated in his book that drywall (like wood) is stronger in the long dimension.
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Old 10-22-2013, 04:14 PM   #12
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Old ceiling drywall in wrong direction


So, if I don't care about what it looks like, it sounds like I'm safe leaving it. If not, 1. try the screws 2. consider a new layer of drywall over furring strips 3. running coffer ceiling beams perpendicular to the trusses.
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Old 10-22-2013, 07:15 PM   #13
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Old ceiling drywall in wrong direction


Measure the distance between the trusses, they should be no more than 24" on center. If you can remove a ceiling vent or heat register see if you can tell how thick the drywall is.
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Old 10-23-2013, 12:51 AM   #14
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Old ceiling drywall in wrong direction


also they could have used 1/2 inch or less drywall 5/8 is what it should be.
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Old 10-23-2013, 05:17 AM   #15
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Old ceiling drywall in wrong direction


Go out side and look at the ridge of the roof---is it straight or sagging in the center like an old horse?----

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