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Make a whitewash

Difficulty level:


Materials needed

10 liters of aerated lime.
5 liters of marble flour.
5 liters of talc.
15 liters of water.
1 kilo of predose (a priming agent based on resin).
250g of natural pigments.
1 kilo of soap.
1 big brush or a roller.
A spatula.
A metal brush.

Prepare the wash if possible a day before its application, to let it rest by keeping it in a tightly closed can to prevent evaporation of water. Be careful with lime, this material can become dangerous depending on the use we make.

Step 1: Preparation of the lime.

Mix dry marble flour, lime, talc and predose.
Wet the whole thing with 2 liters of water by mixing well your mixture with a spatula to obtain a homogeneous mixture. Step 2: Preparation of the pigments.

Pour the pigments into water and mix them by pouring gradually to obtain the desired shade.

Step 3: Pigmentation of the lime.

Mix together your two preparations while mixing with water to obtain a mix appropriate to your work, more or less thick according to the type of support (the more the support is absorbent, the more the mixture will have to be thick) and according to the whitewash that you want to get.

Step 4: Apply the wash.

Make a whitewash: lime

First wet the surface on which you will work; this surface must be perfectly clean and healthy
It is strongly discouraged to do this work on a day of strong sun, rain or wind.
Apply a first coat of whitewash with a brush or roller. It must be a minimum thick in its consistency.
Stir your preparation regularly during the application of the wash.
Wait 24 hours before applying the next layers.
Then pass several layers of whitewash, which you will liquefy more and more over applications. To apply the whitewash do not make big sudden gestures but small precise gestures, guided by the wrist and not by the arm. If you notice a white between two brush strokes, do not try to fill it immediately at the risk of overflowing and recover your error during the next layer.
For a smooth appearance, apply the whitewash by making crossed strips with your brush.
For relief effects, apply the whitewash by making 8 with your brush.
To accelerate drying between layers, you can use a hair dryer but not too long, or too hot to prevent the wash is cracking.
Once all the layers are dry and dry, put soapy water on the wall with a large sponge to waterproof, one kilogram of soap for 10 liters of water.

Step 5: the finishes.

The finish will depend on the effect you want to achieve with the lime. For a smooth effect there is nothing more to do.

for a weathered effect, mix 20 volumes of water with a volume of lime and a quantity of pigment twice that of the whitewash, then apply your preparation in crossed band.
For a tone-on-tone effect, layer three layers with a slight shade of hue.
For an old effect, apply three layers of different colors staying in the same range (like yellow, orange and brown). Leave a layer of color to dry a week, then brush in places more or less strong with a wire brush, which will give an aged appearance to your wash.

Video Instruction: HOW-TO: Whitewash - DIY Tutorial