The most likely culprit is the manner in which your drywall was installed. For the seam between drywall panels to disappear after painting, that joint between drywall panels must be covered with compound in a specific way—in a series of layers, with each layer wider than the last.
How do you fix a drywall hump?
How to Repair a Drywall Bump
- Press the bump with your finger to determine if it is hard or soft. …
- Sand the bump lightly with the sandpaper. …
- Cut an outline around the bump, using a sharp utility knife. …
- Dip the drywall sponge in a bucket of warm water. …
- Apply a second layer of joint compound, using a drywall knife.
How do you fix raised drywall seams?
Quote from the video:
Quote from Youtube video: So you'd want to apply a liberal amount of compound to the drywall. So that you'd get a perfect application coat behind it as you adhere the tape to it. So you would hear the tape over the compound.
How do you hide bulging drywall seams?
How Do You Hide Drywall Seams After Painting?
- Use paper tape to cover drywall joints.
- Apply 2–3 coats of joint compound over your tape, using progressively bigger taping knives.
- Sand between coats of joint compound to smooth seams.
- Apply a final coat of topping compound over the joints.
How do you stop a wall ghosting?
Here are a few tips on how to remedy unsightly drywall ghosting:
- Be sure gas or wood stoves are properly adjusted and vented.
- Keep the indoor relative humidity below 55% in the winter. …
- Replace furnace filters often.
- Seal around doors and windows to eliminate cold air drafts.
