Slate is one of the most popular roofing materials today. It belongs to the economy class. If ordinary slate is suitable for the construction of a canopy, then painted material should be laid on the roof of a private house. Therefore, quite often consumers are wondering which paint for slate is best suited.
Paint selection
Many consumers believe that by choosing an imported product for coloring slate, they will get an excellent result. But this assumption may be wrong. Therefore, the issue should be taken seriously. If you decide to purchase a foreign-made product, then you should pay attention to Dachbeschichtung. This paint is made in Germany and is the most expensive product among imported products.
In terms of technical parameters, the paint is quite attractive: it is strong, has high adhesive properties and durability. However, the application of such a mixture can becarry out only on natural slate or tiles. Another paint for slate is Kilpi. It is made in Finland and contains acrylic. This indicates that the application can be carried out on almost any roofing material, for example:
- profiling;
- slate;
- metal tile.
For the price, this product is somewhat more attractive than the German counterpart.
Alternative solutions
If you want to ennoble a slate roof, you should also pay attention to the Polifarb/Akrofarb paint, which is a Polish product. These acrylic compositions are based on dispersion substances and are good because they dry out in the shortest possible time. As a result, it is possible to achieve color saturation and brightness. A joint product of manufacturers from Finland and Sweden - Eter Akva. It is a water soluble acrylate based paint. The mixture is resistant to aggressive alkaline environments and can be used to color not only slate, but also concrete.
Paints for slate from manufacturers of the former CIS countries
If you will be painting slate, you can choose products manufactured under the Polifan brand. This Russian paint is used on slate, brick and concrete. The main benefits are:
- durability;
- water resistant;
- colour fastness;
- durability.
Ukrainian paint"Akrylama-Slate" is used exclusively for slate and is a viscous acrylic liquid on a water-dispersion basis. The basis for the Belgorod paint "Unisal" are acrylic elements on a water-dispersion basis. You can achieve the desired color by adding coloring pigments.
The coating has a high resistance to UV and precipitation. The composition of the Moscow paint "Butanite" contains polymeric substances, to which mineral-silicon ingredients are added during the production process. The main feature of the composition is frost resistance.
How to paint a slate roof
Slate painting should be carried out according to a special technology. If the roof is only planned to be covered, then the material can be painted on the ground, and then, after waiting for the layer to dry, lay it on the crate. If the roof is already arranged, then you have to sweat. When the slate was used for several years and never painted, its surface could be covered with a coating of fungal formations. Unpainted slate eventually becomes covered with a green coating that absorbs moisture and creates a load on the roof structure.
In order to achieve a positive result, it is necessary to remove the top layer. Better use for this:
- metal bristle brush;
- car wash;
- drill;
- grinder.
With a wire brush you can remove fungal deposits on a wet or dry surface, everything will depend on the severity of the plaque. If youIf you decide to use an angle grinder or a drill, then you need to equip one of these tools with a brush nozzle. The most versatile solution is a car wash, which can be used to prepare a slate roof with high-pressure water for painting.
As soon as the roof is cleared of plaque, its surface should be treated with an antiseptic, which will exclude the possibility of mold and mildew. Painting slate provides for the preparation of the base of the roof also with a primer. Its application is carried out in the next step. This layer will improve the adhesion of materials. By using a primer, you can fill the pores, which will reduce paint consumption, in addition, the surface of the slate will be smoother.
Specialist recommendation
The most correct way of coloring will be applying paint in 2 layers. The first layer will be the base. Work can be done with the following tools:
- roller;
- brush;
- spray.
Additional preparation tips
Slate painting must necessarily provide for the need to prepare the surface of the covering material. It is important to inspect the canvases to exclude the presence of damage. Experts recommend paying special attention to the northern slopes, because it is on them that moss colonies are most often formed, which must be disposed of. If you decide to use manualpower tool, it is important to be careful not to damage the slate.
Cleaning, painting slate - these are the main stages of refining the described material. Once all microorganisms have been removed, the roof surface should be rechecked for integrity. If you notice small cracks or breaks, then they must be repaired with a special mixture. You can prepare it yourself using:
- cement;
- PVA glue;
- fluffy asbestos.
Glue is pre-diluted with water. The preparation process necessarily involves the removal of debris from the roof surface. It is important to dedust the base to be painted. This is done with a regular brush and water. The slate is then left to dry. Painting the slate on the roof will achieve an excellent result if you use car washers for preparation. After that, it will look like new.
Slate painting
Painting flat slate is carried out using the same technology as the undulating one. It is better to start work in cloudy cloudy weather, when the air temperature has risen above +15 ° C. Such conditions are the most optimal for drying the applied layer. Quite often, consumers are wondering if it is possible to apply paint at temperatures close to zero. In the instructions, you can find recommendations that the paint behaves perfectly under such conditions. However, experts do not recommend risking expensive materials. Besides,lower temperatures may increase the drying time of the applied layer. After the formation of the first layer, it is left until it dries. This period may differ for different materials. The layer will reach full strength within a few days, it is important that the roof surface does not get wet.
Work methodology: reviews
If you decide to update the roof, it is recommended to read reviews about painting slate. Consumers say that it is best to use a sprayer or a wide brush to apply an antiseptic. It is important for the master to use protective equipment:
- glasses;
- gloves;
- respirator.
When choosing a primer, it is important to pay attention to compounds that contain ingredients that protect the surface from the formation of moss and mold. Applying a primer, according to buyers, is best done in several layers. When painting slate with your own hands, it is best to purchase a primer from the same manufacturer as the decorative material that will be used in the final stage of refining the roof.
It is best to start work early in the morning when the weather is not too hot. The ideal humidity level for this is considered to be between 40 and 60%. This combination with a temperature of 20 ° C is quite rare, so it is recommended to follow the instructions.
It is important to pay attention to the processing of ends, hard-to-reach areas and corners. The base coat will take approximately 60% of the total volume of paint.
Conclusion
Consumersargue that the end result may be an inhomogeneous layer. To avoid this, the application of the second and subsequent coats must be carried out on a dry base coat. Typically, paint consumption is greater than that indicated by the manufacturer. Therefore, it is recommended to purchase material with some margin.
