“Plastering walls” is the name of our next DIY project for real do-it-yourselfers. Regardless of whether it is a new building or a renovated old building, the wall needs a new plaster. Now walls have to be level again. Now the question arises: plastering, but how? No fear! With a little skill and the right tools, it will certainly work, but unfortunately only experienced do-it-yourselfers can do it easily. If you go for the DIY variant, you also need good instructions. To help you do it yourself, we present in the next few lines how you can plaster the walls in just a few steps. There are a few important tips and tricks at your disposal so that the wall looks smooth again and at the same time looks even more beautiful.
Plastering walls, but how?
Plaster? What does it mean?
The term “plaster” means a covering made of mortar and various binders. The plaster mortar enables wallpaper to be attached to the smooth surface. It also protects the interior walls and contributes to better moisture regulation in every interior. To throw the plaster on you need a trowel made of stainless steel, a smoothing trowel for pulling up the plaster, a grape spatula, small trowels (e.g. cat’s tongue) for working the areas around windows and door frames, as well as a trowel. You also need a sponge board to felt the plastered surface during the setting process. Our tip for the perfect mix of the plaster: The electric paddle will help, so that the plaster is properly mixed! A mortar barrel is particularly suitable for mixing.
Plastering walls – mix plaster properly!
The agony of choice!
But which plaster should you use? Which type of plaster is used depends in principle on the substrate. Because not all plaster is created equal! With regard to the added binding agent, some types of plaster differ. Since the binding agent consists of plaster of paris, lime, cement, clay or just a combination, the following types of plaster are available:
- Loam and loam gypsum plasters: These types of plaster regulate moisture and are used as heat stores. Since they swell when they are fenced, they are best suited for internal use.
- Gypsum plaster: Gypsum plaster may only be used indoors. Since it is characterized by its versatility, it serves as a basis for wallpaper, paint or even tiles.
- Cement plaster: namely the cement plaster is the best choice for surfaces with excessive moisture load.
Plastering walls – what plaster?
The right tools!
Step 1: properly prepare walls!
First remove dirt and loose particles from the wall! So that you can plaster the wall properly, it should be completely dry and clean. Attention: If you are plastering an old building wall, the subsurface should be well moistened. This is how the plaster lasts better! To do this, you need a ceiling brush or a painter’s brush.
Mask off built-in parts such as windows, cupboards, doors and the floor to protect them! Cover with a foil if you wish!
Remove old plaster! Knock it with a hammer and chisel!
Brush off the dried wall! Smooth the holes with filler!
Step 2: set corner foil from sheet metal!
Apply plaster profile mortar in small quantities to the edges! Press the sheet down with a straightedge! Let the plaster dry for at least an hour!
Step 3: put plaster strips!
The so-called plaster strips (also: plaster profiles, plaster battens or plaster rails) ensure that the plastered surface is as flat as possible! Fasten the plaster profiles to the walls with mortar! Attention: The plaster strips must be exactly vertical at a distance of 1 and 1.5 m.
Step 4: Pre-wet the wall with water and prime!
For this you need a painter’s brush! Pre-wetting prevents the wall from absorbing the water content of the plastering mortar prematurely.
The primer is a must for substrates such as concrete or drywall. It should be applied with a roller or a brush.
Then let it dry out!
Step 5: mix the plaster!
Mix plaster mortar with clear, clean water in a bucket! A stirrer for the drill makes it easier to mix. Leave the plaster to mature!
Step 6: Apply layers of plaster – apply under and top plaster!
The concealed plaster serves as the basis for the second layer of plaster. Pick up the plaster with the trowel and carefully throw it on the wall! Then let it dry! After the first layer has dried, apply the finishing plaster directly with the smoothing trowel! Make sure that the thickness does not have to exceed 10 mm!
In this way, plaster the whole wall!
Step 7: smooth the plaster!
Finally, smooth the wall with a screed board or a grape brush!
Only experienced do-it-yourselfers need to plaster walls!
If you follow these tips and follow all 7 steps correctly, you are sure to look forward to a beautiful, smooth wall. We hope you enjoy plastering the walls!
Plaster walls properly!