Teflon tape is an essential tool in any plumber's arsenal, but unless you know how to use it correctly, you'll likely be left with lackluster results.

If you use fiberglass mesh tape, cut a length of tape, place it over the joint first and press the tape firmly down across both pieces of drywall. Next apply the compound over it.

Pipe thread tape, otherwise known as teflon tape, is a crucial aspect of plumbing. There is one big mistake that DIYers make with teflon tape.