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I have been hanging drywall horizontally for almost
3 decades. Recently while watching various shows
On tv I noticed more boards( 8 foot boards on 8 foot walls)being hung vertically.
Is there a reason for this?
Joints are vertical instead of horizontal.
In Hawai'i we maybe behind in the times, but......
Vertical is mostly for simplicity I think, all joints are vertical, instead of having a horizontal one through the middle, then also have the verticals of the corners. Easier too, in that you just stand it on end, rather than having to hold it up for a horizontal, and can be done by one person rather than requiring two or equipment.
I was told that it has to do with lighting. Commercial buildings hang it vertically and homes hang horizontal. The light reflection hides the seams. Commercial buildings use bright florescent lights where homes typically use bulbs. Bulbs cast more shadows.
In flood prone areas you hang it horizontal.
If the lower portion gets wet you can pull that section.
That leaves the upper part thus saving on repair cost.
If it is hung vertical you have to replace the entire wall.
For a long time, only 4' wide drywall was available, so commercial rock was hung vertically--most commercial spaces have drop ceilings, so there is not a corner seam at the top, but the ceiling might be at 9 or 10 feet, which would mean more cutting and more seams if hung horizontally (drywall comes in 8-16' lengths, 2' increments). Now drywall is available in 4.5' and 5' widths due to ceiling heights of 9' and 10' being more common in new homes, so it can still be hung horizontally with only one horizontal seam (easy to tape/finish).
Also, it comes down to tools. A vertical seam is quick to tape with a bazooka ($1000+), which is more expensive, so commercial/union crews are more likely to have them. Residential crews are more likely to use a banjo, which is much cheaper (~$100).
I plan to install boards vertically on my next project.
I can see if the studs are perfectly placed at 16" centers
Vertical drywall will be optimum.
But there are conditions where boards do not end on a stud
So cutting the board width wise is easier than cutting the
Entire length of the board.
There are more lineal feet of joint in vertical joints,
But taping the tapered ends of those joints are way
Easier than taping the butt joints of horizontally placed
Boards.
If you are not finishing the upper seam , vertical is the way to go.. If you are finishing the the corner that is next to the ceiling ,, the walls won't have the needed indentation ...
What you guys are saying makes some sense. I find myself questioning a lot of the diy shows on TV. There are many things they do, that guys in the trades frown upon.
that's not to say that they are always wrong, but I don't usually change my ways because of something I saw on diy network