How to Finish Inside Drywall Corners
Time Required: Over 1 day
Inside drywall corners can develop hairline cracks that over time can grow larger and visible through your paint, so it’s important to take a few precautionary steps during drywall installation to prevent these cracks. This guide outlines this technique of coating drywall corners with compound and applying tape.
Tip: When working with tape, the longer the better, but you may have to experiment to find a length that is easy to handle.
- Unroll several lengths of drywall tape to cover the corner, overlapping the ends.
- Fold the tape in half along the crease made by the manufacturer.
- Once the first side is completely dry, apply joint compound to the other side.
- Smooth, feather and let dry.
- Repeat the process to apply a third coat on both walls, one wall at a time. Let dry overnight once more, and then sand and smooth.