> If I can get away with using drywall compound, I'd love it as I still have
> 4.95 gallons left. But I figured I needed something less prone to cracking.
> Plus we have rain moving in, and in a basement, a 1/2" gob of that, even
the
> setting-type, will take a week to dry.
If moisture isn't an issue in the area, I am a big fan of Quick Fill
(http://www.wel-cote.com/psshtm/quick%20fill.htm). You can trowel on thick
layers (close to an inch is not a problem) and it still dries quickly and
without cracking. Once dry, it is very strong and seems to have very good
adhesive properties. I have used it to repair plaster, drywall, wood and
other surfaces and never had it fail on me. I tend to move every 5 years or
so, but used it at a friend's house around 10 years ago and that patch is
still solid. While is can be smoothed when almost dry with a sponge, it will
still be too rough for paint. It doesn't sand well so I build it up to very
close to the finish surface, then use a light skim coat of joint compound or
similar. I don't know if this actually helps, but I generally score the final
coat of Quick Fill with the edge of a putty knife to give the joint compound
something to bite into.
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