Smooth a plaster interior is plastered with a trowel plaster on which the pass several times. This task requires effort but no major financial resources. A lightweight plaster, perhaps automatically smoothed and coated. Cons by sanding will be needed if the quality of the plaster is poor. Grinding is carried out either manually or by means of a device. Over the years, the walls of some rooms of a house may have cracks or end up changing colors. For the remake, you can just smooth the plaster. Smoothing a coating (powder coating or paint), knife coater, brawl bags, paper and glass are the materials that you used to accomplish this task.

Smooth a plaster interior

Being in plaster, the wall can be smoothed first by sanding with sandpaper, then, by coating the surface with a light paint. Then use a bowl half full of sand, cement add a little lime (1 kg to 2.5 kg of sand cement) and water. This mixture will be used to coat the wall. cuff and once it dries, wet the wall lightly with a brush and then brush with lutece thoroughly before painting.

A rough surface can be smoothed by starting first by sanding to flatten it then. Must be used first a leveling coat of plaster containing two glasses, 6 tablespoons of marble and four glasses of placojoint. Spread the coating over the entire surface to smooth and wait at least 48 hours to dry. Use another coating, this time containing three tablespoons of powdered marble, 2 glasses of placojoint, 8 glasses of good plaster and 4 glasses of lime. For this second smoothing, grab a trowel to get the coating on the entire wall, cuff using a wet sponge, then with a spatula, smooth out your surface more.


For uneven walls, there are specific coatings as Reliss which is also used for glass paintings. In both cases, it will be applied using a trowel stainless steel in two or three layers. Before smoothing a former plaster too thick, it is advisable to do a little sanding and dusting. Then, wet the plaster and repeat sanding before spending two or three coats of acrylic paint.

Another smoothing method is offered to you for the renewal of the old walls. It is to coat them with two knives of different sizes. The first knife (the largest) will provide support during the grinding and smoothing the second will. To accomplish this work perfectly, you will need a file to bevel the blade should be sharpened with a grinding wheel. Spread coating the bottom to the top of the wall with the knife at an angle. By plating the face of the sharp blade against the wall, you can smooth the top down. Using a polisher eccentric or very fine sandpaper, smooth the coating thoroughly. Dust and particles of plaster stuck to the wall can be removed with a damp cloth.

Tips and tricks for smoothing

For smoothing interior walls, it is advisable to use a special coating, tinted to avoid having to repaint the wall after having smoothed. However, it should read the instructions carefully to ensure that the product does contain the dose required of volatile organic compounds (0.8 g / l). Indeed, these compounds, as the dust that rises during the sanding, are detrimental to environmental quality and consequently the health of inhabitants. It is recommended by area to better spread the plaster on the walls and layers of tape to smooth the plaster. Always have at least two knives to be coated in order to recharge the main blade used during the operation.