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Apply a decorative plaster inside

Using textures and shadows to produce a desirable decorative effect, interior plaster is available in many colors. Depending on the desired look, you will use different tools when finishing.

Difficulty level:


Tools and materials needed:

Plastic sheeting
Masking tape
A wire brush
Sandpaper or sander
A soft trowel
A knife to coat
A roll
A sponge, a spatula or even a honeycomb roll (the finishing tool is to choose according to the desired effect)
Filler and surface hardener if your wall needs refreshing
A primer
Ready-to-use interior decorative plaster

Step 1: preparing the piece

Install tarps on your floor to protect it.
Mask your baseboards, switches and other electrical outlets with masking tape.
Make sure only one window of the room is open to avoid creating drafts that would be detrimental to your work.

Step 2: Surface preparation

Start by removing the old coating. If it is wallpaper, then it will take off. If it is a question of painting it will be necessary to sand it with the abrasive paper or the sander for larger surfaces.
If your walls are chipped, remove the damaged parts by rubbing them with a wire brush.
Then apply a filler and then a surface hardener.
Finally, roll a sub-layer of primer.

Step 3: the plaster

Apply a decorative plaster inside: decorative

Moisten all of your tools (trowel and coating knife) to prevent them from catching.
With the knife, put the plaster on the trowel.
Then apply the plaster on the wall with a thickness of about 1.5 cm starting at height. When doing this, press down while insisting on the trowel while gently going up on the wall.

Step 4: the finishes

Once the plaster has been plastered, work its finishing with the tool of your choice according to the desired aspect.
Your movements and the pressure applied on the tool must be constant and uniform in order to have a homogeneous rendering possible.

Video Instruction: How to Apply Decorative to Plaster a Wall | DIY Projects