In article , Nova wrote:
Bill wrote:

Having put up most of my drywall, I have left a few gaps that are too
big (for instance, next to my plastic electrical boxes). At least one of
these gaps is at least 3/8" wide (and 4" long). My current plan is to
"glue in" a small block of drywall using my heavier joint compound, and
then build that up--allowing it to dry in between layers.

Is this approach likely to be successful (w/tape?)?

Thank you for your thoughts.

Bill

for a 3/8" gap I'd just use some "Durabond 90" with tape to fill the
area and forget about the small blocks of drywall.

I'll second that -- sort of. I'd certainly use Durabond 90, but I wouldn't
bother with tape on a gap that narrow.