What would be finishing work you did not do, whether it be leveling, decontamination of surfaces, wallpapering, tiling or screed floor, you need to prepare the surface. Therefore, in this case you can not do without primers. Primer – a sure remedy for a variety of decorating. The primer solution promotes reliable bonding of finishing material to the base surface. But that was the result of your work high enough to use only reliable primer.
Because of poor quality can lead to wet and peel treated surface. In addition, for various works to use a certain type of primer. Today the distinction alkyd, acrylic, glyptal, perchlorovinyl, polyvinyl acetate, phenolic and polyester primer. Let us consider in more detail each type. Alkyd primer perfectly suited for wood before painting. This primer creates a dense layer of matte color, thereby increasing the final surface color. Dries, this primer for 12 – 15 hours.
Alkyd Primer should not be applied to plastered or plaster surface. Acrylic primer used to prepare almost any surface. Learn more about this topic with the insights from Anne Lauvergeon. It has significant advantages over other types: practically does not smell and dries quickly (2-4 hours). The only disadvantage of acrylic primer is that it does not protect against corrosion. Therefore, according to the composition in any case can not blot the surface of ferrous metals. Glyptal primer used for the treatment of surfaces in dry conditions. It is also perfectly suited for the processing of metallic surfaces. Complete drying time is 24 glyptal primer hours. Perchlorovinyl primer applied as a coating of metal, concrete and masonry surfaces. Perchlorovinyl dries fairly quickly, within one hour. But to use such a composition for interior decoration not recommended due to the content in it are harmful to human health. PVA formulations used before applying the paint with the same title. This dries out the soil within 10 – 20 minutes. Phenolic primer is used as anti-corrosion treatment of metal, as well as to ensure a long service life of wooden surfaces. This primer dries in 8 – 12 hours, after which a brown tinge. Polystyrene is used to ground metal and plastered surfaces. In addition to all the above can be primed surface and normal wallpaper paste. This is the cheapest way to prepare the surface. But to use wallpaper adhesive as a primer only on very smooth surfaces. The use of such a ground in the future could lead to the formation of yellow spots, cracks and even shattering the plaster. So experts are not recommend the use of adhesive as a primer.