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-   -   Cracking Drywall Joints (http://www.diychatroom.com/f101/cracking-drywall-joints-67286/)

TLG042 03-21-2010 06:28 PM

Cracking Drywall Joints
 
I have drywall joints that crack above my fireplace every winter. When we use the fireplace, the heat makes the crack expand about 1/2 to 3/4 of an inch. Then, in the summer, when we don't use the fireplace, the crack closes up but the paint is still cracked and it looks terrible. I was going to install crown molding to hide the crack, but I'm looking for advice on any other possible way to fix the crack, so it doesn't crack again next winter. I have already made sure the attic is well ventillated and insulated. I know it is from the extreme temperature changes in the wall, but there must be some kind of a solution to deal with the expansion and contraction. Please help!

bjbatlanta 03-23-2010 12:24 PM

The crown may be your best solution, though maybe not entirely perfect. Sounds like the framing lumber is "moving" during the heating/cooling seasons (as it will) causing the cracking. The crown will do the same thing as the drywall to some extent, but it's easier to re-caulk and touch up the trim paint than patch and re-paint the drywall every year.

slickgt1 04-07-2010 03:19 PM

That is why I recommend metal studs in these type of areas. It also seems that the crack probably forms as two peices of wood separate. Can't suggest anything easy that will keep you from doing touchup every year.

kgphoto 04-08-2010 12:47 PM

Seriously? I would look into the framing and installation of that fireplace. That sounds like a lot of movement. I would be concerned that proper clearances were not maintained by your description.

Do you have pictures?

bjbatlanta 04-08-2010 07:04 PM

A truss roof will "move" a lot more than a "stick built" roof also, generally speaking, too...

tpolk 04-08-2010 07:09 PM

Quote:

Originally Posted by kgphoto (Post 425837)
Seriously? I would look into the framing and installation of that fireplace. That sounds like a lot of movement. I would be concerned that proper clearances were not maintained by your description.

Do you have pictures?

i agree if its that much movement somethings up behind the drywall


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