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Posted by marson on January 6, 2008, 8:44 pm
> I am fixing some walls in my house that was built in 1971. In the
> entryway, there is a wall that is a story and a half. There are [were]
> two horizontal joints in the sheetrock and they always looked awful
> because they stuck out, i.e., they were slightly raised from the rest
> of the wall and the lighting above made them visually obvious.
>
> I have cut the joints out by removing the entire built up area which
> was about 16 inches wide (each seam). I plan to put in an entirely new
> piece of sheetrock. I want the joint to be perfectly matched to the
> level of the sheetrock so that it does not cast any shadow when
> lighted from above.
>
> If I use tape, the joint will end up being higher than the adjacent
> surface of the sheetrock. Question: Is there some other precision
> technique to finish these joints (was 2, now 4!) so that the surface
> is perfectly flush with the surface of the sheet rock?
>
> One thought: Strip the paper off the sheetrock either side of the
> joint for a distance equal to half the tape width to provide a
> depression for the tape and compound.
>
> How else might this be done successfully for a perfectly flush joint
> that won't crack over time?
Well, if you can figure out a way to hide butt joints so there is no
build on top of the joint, patent the idea. You idea of carving the
paper away won't work because it will crack unless you tape over the
entire area, which sort of defeats the purpose of what you are trying
to accomplish.
A good taper would feather out the mud for a longer distance to make
the seam unnoticeable. Another way I have heard of is to use shims
behind the rock on the studs on either side of the stud the sheets
meet at. This creates a depression where the tape and mud go.
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