Drywall Tape Over Mud

Anonymous asked 10 years ago

What is the purpose of putting tape over the mud?

1 Answers
Crowder Painting answered.

Drywall tape, paper or fiberglass mesh, reinforces a joint. Drywall mud alone is very brittle even though very hard. Add reinforcement and now the same drywall mud becomes much less brittle. The same ideas are used in concrete by using reinforcing bars, re-bar.