Is it possible to merge the two width differences by sanding the thicker one down untill its a gradual unoticable slope.
How to plasater two drywall sheets togtrher.
How to blend old drywall to new drywall.
Picture a plaster wall.
A thin coat of drywall compound is laid down then drywall tape is embedded in the compound.
The name butt joint comes from an installation process when two non tapered sheets of drywall are butted up next to each other.
Once the compound is dry even out the surface with sandpaper.
Measure and mark the second ceiling drywall section to length using a tape measure and a carpenter s pencil.
Run the drywall knife over the mortar to create a smooth finish and remove any excess material.
This creates a trough when the edges are put together.
Set the new piece of drywall in the gap between the two pieces of old drywall.
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Attach the new piece of drywall to the studs with drywall screws and a screwdriver or a drill with a.
Then another thin layer of compound is spread over the tape.
For new drywall tape all the drywall joints using all purpose joint compound and an 8 inch spackling compound knife.
Mix thin set mortar according to the manufacturer s instructions and apply a thin coat over the fiberglass tape with a drywall knife.
Install 1 5 8 inch drywall screws through the drywall into the.
Build up about an inch of joint compound on a 6 inch knife and fill the trough with compound.
Fill the troughs along the sheet edges the long edge of each drywall sheet is beveled purposely made thinner than the rest of the sheet.
Step 2 applying a plaster bonder once the drywall is dry you must apply a chemical plaster bonder that will help the plaster bond to the drywall.
How to install double layers of drywall.
Ive tried to replace the plaster with 1 2 inch only to realize the wodth difference im left with is 1 4th inch.
Push the mortar through the mesh tape and into the 1 8 inch space between the backer board and the drywall.