Lime paint: the 5 things to know.
The lime paints (or "milks of lime") apply as well to the outside as inside, and in all the rooms of the house. here are the 5 essential characteristics from this painting to multiple virtues.
1. Lime paint: a natural and ecological paint
Not releasing volatile organic compounds (VOCs) and not containing heavy materials, it is the ecological paint par excellence, composed only of natural materials: water, lime, mineral pigments and natural adjuvants (casein in particular). It is classified in the category "organic painting".
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2. Lime paint: a protective and antibacterial paint
The benefits of lime painting are numerous:
- It closes micro-cracks and protects the coatings. Thanks to its plasticity, it tolerates the movements of the frame.
- Permeable to the air and waterproof, it lets the walls breathe and protects homes from rising damp.
- By limiting the proliferation of bacteria and bad odors, lime painting contributes to the sanitation of a home.
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3. Lime painting: remarkable decorative effects
Colorful, the lime paint is particularly decorative.
To tint a surface, we add mineral pigments of color: Sienna, umber, ocher Roussillon or Puisaye. You can also use oxides of copper, iron, chromium or cobalt to obtain beautiful green, red or blue hues.
Namely: the color can clear when drying. To avoid color differences on the same surface, consider preparing enough paint before starting work.
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4. The different types of lime
To make lime paint, two types of lime are used:
- aerial lime: it is reserved for decorative coatings, inside and outside
- hydraulic lime: it is used for protective coatings, resistant to all climatic conditions.
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5. The different recipes for lime paints
Various applications can be made from lime milks, depending on the concentration of lime:
- liming. Strongly dosed in lime, it is the most rustic application, used to cover "old-fashioned" wall outdoors
- whitewashing. More diluted than liming, the limewash gives the walls a smooth and velvety effect, or a sandy finish if mixed with fine sand
- In the form of limewash, the paint is applied by roller or with a special brush
- lime tempera or "strong water". More diluted than the whitewash, it is most often used for the realization of very colorful frescoes on a lime plaster dry or fresh.
- the patina. It is a very diluted whitewash to standardize a surface in old or new stones, or give an aged look to contemporary materials (brick or stone)
- lime plaster. To rectify irregularities or protect the walls from climatic variations, it applies in all rooms, even water rooms (bathroom or kitchen)
- the interior lime plaster is applied to the trowel and can also be used as a finishing plaster