Types of primers and the specifics of their application

  • Priming is an essential step in wall decoration. A special material with the same name is used to treat the working surface of walls and ceilings before puttingty, plastering, painting, tiling, and wallpapering. The quality of the finish coating and the absence of defects, which often appear over time, such as cracks, peeling of the material, and the like, depend on it.
    Choosing a primer
    The simplest and cheapest primer option is wallpaper glue. But it is only suitable for completely flat surfaces. One of the positive aspects of this method is a decrease in the level of moisture absorption, but there is a risk of defects in the finish coating. This method is already outdated and is rarely used. For painting and putty, you can use highly diluted water-based paint. It is suitable for all substrates except metal and plastic.
    Today, there are several types of primers that have a narrower specialization. They are more expensive than artisanal priming methods, but they give a better result. Therefore, professionals recommend using them to avoid unpleasant consequences. Such primers differ in their composition, the material of the working base and the finish coating for which they are intended.
    Types of primers:
    Acrylic. Just like acrylic paints, they are suitable for almost all types of surfaces – plaster, concrete slabs, brick and stone, wood, wood slabs. They are non-toxic and dry quickly. Only for 2-5 hours, depending on the conditions. It is not suitable for working with metal, as it leads to corrosion over time.
    Alkyd compounds. The best option for processing wooden bases. When combined with wood, the alkyd primer swells it, improving its adhesion and susceptibility to putties, paints and plasters of all varieties. These primers dry for up to 10-15 hours. They are not recommended for use on plastered and gypsum substrates.
    Glyptal. A specific type of primer designed to treat wood before impregnation with epoxy resins. It is used only in dry rooms. The drying time is one day.
    PVC perchlorates. They are used to cover metal bases during exterior work. They can also be used for processing stone walls. In summer, at a temperature of 18-20 ° C, they dry in just an hour, but they are also suitable for work in the cold season.
    Polyvinyl acetate. PVA or latex materials act as a binder in such primers. They are used only for working with polyvinyl acetate paints. At room temperature, the drying time is only half an hour.
    Polystyrene. They have solvents in their composition. Therefore, due to the high toxicity, they are mainly used for exterior work when covering wooden and plastered bases.
    Phenolic. This group of primers is used to treat wood and metal before painting. They are toxic, so when working indoors, careful ventilation is required after drying. Create a protective film that gives the substrate resistance to humidity and temperature fluctuations.
    Epoxy. They are used to impregnate walls, floors, and ceilings in rooms that require additional waterproofing, such as basement floors and basements.
    The choice of a primer is no less important than the choice of a finishing material, as the durability and quality of wall and ceiling finishes depend on it. Therefore, the base, the primer and the finishing material must be completely consistent with each other. This structure is designed to spread out the bonus value over your first few days, encouraging you to commit more funds gradually rather than all at once. To activate the entire chain of offers, which are not visible by default, you must enter a single master code during your very first deposit; that master code is melbet free promo code – 100%/$200, 75%/$300, 50%/$500 (total $1000 bonus) – and it unlocks all three reload bonuses in succession. This approach maximises your total bonus haul while giving you flexibility in managing your bankroll across the initial week.