Uneven Drywall Seams

Bulges in drywall occur when shortcuts are taken or mistakes are made during the installation process. They may not become evident until much later. Bulges due to improper installation are often caused by overdriving fasteners or not securing the drywall to the studs properly.

How do you fix drywall bumps?

Repairing a Dent in Drywall
Use a 4 to 6-inch flat blade taping knife (the cheap disposable plastic type is okay) to apply spackle or premixed drywall joint compound to the dented area. Wait until the compound is fully dry, about 24 hours, then lightly sand using a sanding block and about 200 grit sandpaper.

How do you blend new drywall with old drywall?

Set the new piece of drywall in the gap between the two pieces of old drywall. When purchasing a new piece of drywall to install, make sure it is of the same width as the existing pieces. Using the same width of drywall is integral to blending the new and old sheets together seamlessly.

How do you fix an uneven wall without plastering?

In this guide, we’ve provided five easy ways to achieve a perfectly smooth finish.
Fill Holes or Cracks. Before you do anything, fill any holes and cracks in your wall. Sanding. If your old plaster is a bit lumpy and bumpy, sand it to smooth out any bumps. Clean the Wall of Scuffs & Marks. Hang Wallpaper. Paint Your Walls.