Use a sponge to wipe off the excess plaster around edges. Repeat the previous step until the plaster is level with the ceiling surface.Ĭlean off.

Wet the trowel to get a sheen on the plaster. Wait for the plaster to be almost dry before applying the second layer to fill in the rest of deep holes. If pressed too hard, the trowel can push the plaster too deeply into the hole, leaving an indentation that will look unsightly.Īpply another layer (if needed). Be careful when applying and smoothing out the plaster. 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. Hold the edge of the trowel at an angle of 30 to 60 degrees, and scrape off the excess plaster, smoothing it out. For holes that are deeper than 1/2-inch, fill them with plaster halfway. It's a good idea to start out with smaller holes around 2 inches in diameter to get a feel for the compound and the technique for smoothing out the surface. Can also be used to mix your own DIY version of chalk finish paint. Smooth formula provides great results every time. Sets fast in 20-30 minutes without shrinking. It gives the both aesthetical and functional help. POP is obtained when gypsum is heated to a certain degree. Scoop a good amount of plaster onto the trowel and apply it over and around the hole. Plaster of Paris is for general wall and ceiling repairs. Plaster of Paris (POP) is the majorly used material in the construction of false ceiling. You can find ready-mix plaster of Paris at any local hardware store.Īpply the plaster. Do not use a metal container for mixing, because you will not be able to clean or remove the plaster after it hardens. The mixture takes several hours before it will harden.

Shift with your hands gently until the mixture has a smooth, milky consistency. Continue pouring the plaster into the water until the powder stands above the water level. The 16 plaster frescoes that frame the ceiling are done in the style of the 15th-century della Robbia family, in the colors of Wedgwood blue, cinnabar, and celadon. With your hands, gently shift the powder with the water to preventing lumping.

Gently pour the plaster powder mix into the water. Fill one-third of a plastic mixing tray or container with cold water.

Plaster of paris ceiling