When you discovered that a standard sheet of five-eighths-inch dry wall weighs 73.6 pounds, you wisely decided not to try to muscle the 32-square-foot sheets to the ceiling of your new room addition.

Dear James: I have divided a large room to create an office, so I now have to tape the drywall joints. What are some taping tips so the joint locations won’t stand out? — Scarlett L. Dear Scarlett: ...