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The sanding stage is often compulsory when you carry out small renovation works. You will have to sand for example before repainting walls that are glycerol but also if you have decided to retype a piece of furniture to give it a new look. But so that this step does not become too tedious, there are some mistakes not to commit!
Do not neglect the sanding step
Contrary to what one might think, we cannot do without the sanding step when we want to repaint a glycerol wall or when we want to retype a piece of furniture. Indeed, for the new paint to adhere to the support, it must be rid of its layer which will prevent adhesion. We therefore scratch the old paint so that the new penetrates. Without this preparation, your new paint may not fit on the support and your efforts would be useless. In a word, for a lasting result, sanding is mandatory!
Do not do without careful preparation
Before sanding, you will have to prepare the operations! If it is a piece of furniture, it is best to install it outside to avoid creating dust inside. On the other hand, if it is the walls of your interior, you will have to protect the furniture and accessories in the room well to prevent them from becoming dusty. Empty the space as much as possible. Then, collect your furniture in the center of the room and cover it with a protective cover. On the side of the walls, you can start by washing them in order to proceed with sanding in order to obtain an optimal result.
Do not sand linearly
Once the preparation is done, you just have to get to the heart of the matter! Take a sandpaper and sand the wall which will receive a new paint. It should be known that one does not sand in a linear way but that it is necessary to carry out small circles so that the sanding is uniform. Do not press too hard to avoid over-sanding certain parts, but rather rub constantly. For wooden furniture, however, your sanding movements will follow the grain of the wood so as not to alter the material.
Don't settle for just one sandpaper
To achieve optimal sanding, it is recommended to use several sandpaper. First, change your paper as soon as you feel it hangs less to save yourself unnecessary effort. Then, choose a medium grain paper and pass again on the surface. You can finally ensure the finishes with fine-grained paper. The association of papers of different grains will assure you a good rendering.
Don't forget to dust
Once the surface has been sanded, the job is not entirely finished! You must indeed dust the surface so that there are no more particles when you apply the new paint. So wipe the surface with a cloth to wipe away the dust. Then you just have to paint!