Answer: yes, the surface and the paint must be well prepared!
The best method for painting a room is to properly prepare the surface as well as the paint used, this is what will determine the success of the operation. Regarding the surface to be painted, check that the plasters or plaster are in good condition by dropping the parts that do not hold. Try to detect if the surface is wet. If so, it must be remedied. Above all, remove the roughness from the surface and clean it with great care, remove all dirt and mold. As for the preparation of the paint, it must be mixed either with an electric appliance or manually to obtain a perfectly homogeneous mixture. Do not beat the paint, because you must avoid air bubbles at all costs! video id = "0" / Our practical DIY videos