Learn how to repair drywall corner tape on inside corners using Wagner Power Tex. This step-by-step guide makes fixing damaged drywall simple and professional-looking for any DIY project.

We earn a commission from partner links on Forbes Home. Commissions do not affect our editors' opinions or evaluations. The average cost to repair a ceiling is $800, but it depends on your ceiling ...

Add Yahoo as a preferred source to see more of our stories on Google. Prefabricated three-way drywall corners are a Canadian invention that makes a tricky part of drywall finishing much easier.