How do you repair drywall where ceiling meets wall?

The only permanent way to fix the separation between the top of the wall and the ceiling involves loosening the drywall panels where they connect to the bottom of the truss and then attaching the panels to blocks installed between the trusses on the top wall plate, says Building Science.

What do you do where drywall meets ceiling?





Quote from the video:
Quote from Youtube video: Use the knife to scoop the mud out of the bread pan scoop it from both sides of the knife use the knife to scoop out the mud one side for the ceiling.

How do you fix water damaged drywall seams?

Quote from the video:
Quote from Youtube video: Up. So i just dug those out with the corner of my knife. Just tried to scrape all the loose bits. And when i go over it this time with some more mud it should not bubble up. Again.

How do you fill a gap between drywall and ceiling?

How to fill a gap between drywall and ceiling

  1. Step 1: Mesh drywall tape. Start by placing a strip of fiberglass mesh drywall tape over the gap so that the top edge of the tape is flush against the ceiling.
  2. Step 2: Apply joint compound. …
  3. Step 3: Paper tape. …
  4. Step 4: More mud. …
  5. Step 5: Let the mud dry. …
  6. Step 6: Sand. …
  7. Step 7: Paint.


Why is there a gap between my ceiling and wall?





Gaps between your walls are often caused by a home’s foundation settling into poorly compacted, moisture-softened, or shrunken soils below the structure. Few issues can make a homeowner’s heart drop quite like noticing a gap between the walls and floor (or ceiling) of a property.

How do you caulk where the wall meets the ceiling?

Method #1: Using Caulk

  1. Place painters tape on the wall, about 1/8″ down from the ceiling. Place a second piece on the ceiling, about 1/8″ out from the wall.
  2. Run a line of caulk along the opening in between the two strips of tape.
  3. ​Run a wet finger or ice cube along caulk to smooth.
  4. Remove tape immediately.


How big of a gap can you fill with joint compound?

Setting-type compound (the bagged kind you mix vs. the drying-type you buy premixed in a bucket) will easily fill a 1/2″ gap without cracking. Make sure you load up the gap well before applying your tape, then finish it as you would any other joint.

What is it called where the wall meets the ceiling?



That is called the ceiling line or where the wall meets the ceiling.

How do you hide drywall seams?

To hide drywall seams, you usually have to re-coat them while removing and replacing tape that has bubbled or separated.

  1. Remove Loose Drywall Repair Tape. …
  2. Apply Drywall Primer over Joints. …
  3. Replace the Tape. …
  4. Apply a Coat of Drywall Mud. …
  5. Apply Another Coat Drywall Mud. …
  6. Sand Down the Area. …
  7. Apply Primer Before Painting.


Can you fix bad drywall seams?



Among the defects that render a seam visible are unevenness, bubbling or lifting paper and cracks. All these defects can be corrected with joint compound, or mud, and drywall tape, but cracks indicate the possibility of problems with the walls or foundation.

Why are my drywall seams showing?

Sometimes, drywall seams become visible when a house has undergone considerable settling. In your case, unless your geographical area has had unusually dry or wet conditions in recent years, structural problems are probably not at play, given that your home is relatively young at 40 years of age.

What is drywall topping compound used for?

Topping compound is formulated for the second and third coats over wallboard joints, corner trims and fastener heads. It provides smooth sanding and workability with minimal shrinkage. Finishing should not be used for embedding tape or as the first coat over drywall trims.

What’s the difference between topping and joint compound?

Ready-mixed mud comes in three basic varieties: Taping compound dries hard and works well for embedding paper drywall tape over seams. Topping compound is less durable but shrinks very little and sands easily, so it is effective for covering taped seams and providing a final, smooth finish coat.

Is there a difference between joint compound and drywall compound?



Drywall mud, also called joint compound, is a gypsum-based paste used to finish drywall joints and corners in new drywall installations. It’s also handy for repairing cracks and holes in existing drywall and plaster surfaces. Drywall mud comes in a few basic types, and each has its advantages and disadvantages.

What is the difference between setting compound and joint compound?

Unlike standard joint compound—which softens after a good soaking—setting compound continues to harden even under water.

What is the easiest drywall mud to use?

Lightweight “all-purpose” drywall compound and “easy-sand” 45-minute setting drywall compound are the two items novices should load into their carts. You’ll find uses for all that other stuff as your projects get bigger— and you get faster and better.

Can you patch drywall with joint compound?

It’s fine to fill screw holes and other small wall dings with patching compound, but for dime-size and larger drywall repairs, and for holes that are deep, it’s best to use a joint compound that sets up by a chemical reaction. These are available in powder form with setting times ranging from five to 90 minutes.