Is it possible to apply decorative plaster on old plaster

Is it possible to apply decorative plaster on old plaster

The opinion about applying decorative plaster to the existing old layer is divided: someone says that it is possible to do this and everything will hold perfectly, and someone absolutely does not advise doing this and insists that the plaster will soon disappear. Adhering to all the rules when working with decorative plasters - it will last for many, many years. 

To decorate the walls, you will need the following materials: sandpaper, hammer, primer, brush, spatula, mixture, mixer, drill.

How to properly prepare the walls for plaster?

You should immediately inspect the walls for existing plaster: tap it easily with a hammer and you will immediately see where it falls off and where it holds fast. If the plaster is falling in places, then it is necessary to remove the plaster layer with a spatula. Next, it is recommended to carefully remove the surface layer with sandpaper and proceed to priming the walls. The primer will provide better adhesion and prevent the formation of dusting. 

After completing all the preparatory work, you can start preparing the plaster mixture: using a construction mixer and a drill, mix the dry composition with water (you will not be able to achieve the perfect consistency of the mixture manually) and proceed to applying the plaster with a spatula.
 

 

Is it possible to plaster over old plaster?

Theoretically, it is possible to plaster the walls on the existing layer, but is it practical? Highly qualified craftsmen will definitely tell you no. There are various types of plasters on the market of building materials, which have different bases. And if you pick up incompatible materials, then all the work will be done in vain. Therefore, it is better to do everything properly, observing all the technologies: remove the old plaster layer, prime the walls and apply decorative plaster.

What kind of decorative plaster is good?

Teknodeko is recognized as the best decorative plaster: one-component, moisture-resistant, cement-based. Due to the fact that the composition includes reinforced polymers, it is suitable for exterior decoration.

Such plaster is used for decorative coatings of concrete and other mineral surfaces.

The main advantages are the main characteristics:

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• Ease of use
• Resistance to various temperature changes
• Moisture resistance
• Durability
• Incombustibility
• The ability to cover surface defects.

You can also apply paint to decorative plaster if you use it outside.