How to plaster a ceiling

You will need to cut out the bad spot from ceiling joist to joist. Measure and cut a new piece of drywall, nail or screw it up. Tape and mud (drywall patch) the new drywall. Sand and repeat mudding the joints (edges) Depending on the texture. Fill the holes, let it dry, sand it smooth.

Repaint if necessary. How to remove plaster and lath ceiling? How do I cover plaster walls? However I’ve found that many people don’t plaster. Gather Your Tools and Equipment 2. Prepare the Area 3. Use trowel to spread joint compound onto ceiling , covering the repaired area.

Plastering Techniques for Skim Coating 6. Allow joint compound to dry at least 24. Place the plaster mix on a hawk and trowel it over the damaged areas. To keep the plaster from cracking and to hide the screws, set a fiberglass screen into the first coat of plaster.

After the first coat sets, apply a second coat, filling any voids. Use a felt pad to finish the job and smooth out the ceiling. Blow out the plaster dust. Using a medium-bristle brush, scrub the area with a solution of water and tri-sodium phosphate (TSP) or a non-phosphate detergent. Cut short pieces of self-adhesive fiberglass mesh joint tape and cover the groove with them.

To test whether the wall is ready to accept new plaster , run your finger over the surface. You should always begin by cleaning your work surface,. If it comes away caked with. Scoop a generous amount of plaster onto your hawk and then scoop a bit off with your trowel. Try and keep it as even and consistent as possible while minimising the lines left from the trowel.

Mix a batch of plaster and joint compound to ensure good adhesion. Simplify ceiling plastering with drywall rather than metal lath as a base. Fill any cracks or holes with patching compound to start with a smooth surface. Sand the existing ceiling drywall with a. Wipe the excess plaster off the trowel into the mixing tray, then scrape the plaster again with the trowel, repeating until the plaster is smoothed down to the level of the ceiling surface.

Then remove the damaged plaster and mortar in the shape of a square or rectangle, so that you can easily cut a replacement piece to fill in the hole of sheetrock. Use a utility knife to mark the section to be removed. Lining a ceiling with plasterboard is far quicker, and requires less skill, than using lath and plaster techniques. The plasterboard is simply cut to size, lifted into place against the underside of the ceiling joists and nailed in place.

You thread the drywall screw through a plaster washer and then drive it through the plaster and into the ceiling joists, wall studs, or wood lath. The screw and washer pull the loose plaster tight against the framing, restoring the ceiling. Then finishing plaster tipped in gently, until the heap rises above the surface of the water. The paddle, on a low spee should then be placed in the bucket and moved up and down, and side to side, to mix the plaster.

Working on one small section at a time, apply the mixture to the ceiling , and then dab a damp sponge or cloth into your work in a repetitive motion to create the texture you desire.