Install rough plaster expertly: this is how it works!

Rauputz is a popular material for wall decoration, because it is durable and opens up many different design options. How do you apply it - and how does the structure get into the plaster? With a little practice and the right moves, a layman will succeed.

Pre-treatment of the substrate

Before you apply your rough plaster, you should ensure a clean, smooth surface. Remove loose spots and fill holes. Also carefully tape the door and window frames with masking tape and remove the sockets. For a colored decorative band you can attach the masking tape to the wall and remove it from the still fresh plaster. Brush the plasterless strip with a narrow brush in the desired color. For a synthetic resin plaster, use a dispersion-based primer - a mineral plaster is usually backed with a silicate-based primer. To paint the primer, use a paint roller or a ceiling brush.

Apply rough plaster

Stir your plaster according to the processing instructions until it has a creamy consistency. Always prepare small portions that you can process in about 15 to 30 minutes. Carefully cover the floor under the wall to be plastered and pick up your trowel. Now apply the rough plaster from bottom to top with a steeply positioned trowel, then pull the material down to grain thickness with a little pressure. The applied rough plaster should be structured after about fifteen minutes with the float.

Structure the rough plaster after fitting

Use a wooden or plastic float and choose a rubbing technique you like: you can rub vertically, diagonally, horizontally or in a circle. It is only important that a uniform effect arises. Keep in mind that a horizontal structure can widen the wall surface optically, while a vertically structured rough plaster makes the room a little bit higher. On the other hand, circles and rings are playful and cheerful.

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