It is not required to prepare the ceiling in advance if modern materials are used in the decoration. But putty and plaster you still need to paint the ceiling. Plastering work on the ceiling. The mixture of plaster is most suitable for gluing chips and cracks on the ceiling. Prepare a mixture using a construction mixer, plastering, water and containers where a knead will be produced. After adding all the ingredients to the container, the resulting mixture must be stirred with a mixer. As a result, the mass should turn out to be homogeneous. When applying the resulting solution, a small spatula is used. When leveling, a larger spatula is used. Due to the severity of the plaster, it can fall off if you apply a lot of solution at a time, so the layer should be thin. The next layer must be applied after two or three hours. You can start puttying already when all the irregularities on the ceiling are removed. Putty on the ceiling. The ceiling must be made smooth, for this you need putty. It is recommended to make a mixture of putty yourself and not purchase in the store. The type of putty used depends on the humidity. With high humidity type of putty – lr+, with normal – kr. Now you will need a container, water and a mixer again. Typically, the packaging is equipped with instructions for the manufacture of the mixture, where the proportions are indicated. The resulting mixture must be stirred to get a homogeneous mass. After the finished putty should be infused for three, five minutes, and then it is mixed again. We recommend putting it in the following way described below.
A small spatula, put a putty on a large spatula, the width of which is from sixty to eighty centimeters. And already put a putty with a large spatula, about two millimeters thick, to the surface of the ceiling. Putty starting from the window, and the putty layers should overlap the launch. In order to prevent cracks from putting down as a result of putty, the thickness of the final layer should not exceed five millimeters. When the work is finished, it is necessary to give putty well to dry. This is required for about twelve hours. After which the ceiling should be sanded using sandpaper. The granularity of the sandpaper should be medium. And in conclusion it is necessary to cover with a primer and then paint the ceiling.