The primer is designed to improve surface adhesion with finishing material. The soils have various resins, oils, glue and bitumen. Thanks to primer, the surface is strengthened, the appearance of microcracks and fungi, improved moisture resistance.
There are many varieties of primer. But before its choice it is necessary to pay attention to the surface for which it is intended. Consider some types of soils represented by the modern construction market:
— Acrylic primer is the most popular look, as it is actually suitable for any type of surfaces, dries quickly and easily applied;
— Polyurethane primer is used to process concrete surfaces;
— Polystyrene primers are mainly used in external works, since they have high toxicity. Suitable for wooden and plastered surfaces;
— Alkyd primer is perfect for surfaces made of wood and prepared for painting. Thanks to this composition, the life of the tree increases significantly.
Basically, primers belong to the universal composition, but some species are intended only for a certain facing material.
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