Primer own hands: 4 ways to save
Priming the walls - important stage of repair. The primer can be purchased at the store or do it yourself to save money.
Primer protects against corrosion, fungus, improves adhesion between the decorative material and the surface. The primer protects against moisture.
By papering a wall must necessarily be primed. If this is not done, the wallpaper may come off over time.
Priming with their hands
1. Take regular glue PVA (The building!) And spread it with water. Proportions: one part glue to two parts water. Another is to add crushed a piece of chalk (5 liters glue - 1 kg. chalk powder).
But this primer is suitable mainly for water-based painting of the walls. Under the wallpaper is not fit, as the PVA-yellowing with time and is noticeable on light and subtle wallpaper. PVA does not protect against mold and fungus. One more minus a primer, if you make a wrong solution, strongly thick, then eventually the dried primer film can keep up with the finished surface.
2. better to use wallpaper glue
as a primer. It does not yellow as PVA and does not form a film. This will help save on expensive coats and make high-quality repairs.3. Some masters apply a mixture of: PVA, an acrylic finish coat (25%) and water (50%). Using primer acrylates obtained by deep penetration.
4. For concrete surfaces suitable such primer. In 7 liters of water (hot) mix grated soap (65%). The resulting mass was further added 500 gr. wood glue and 100 c. copper sulfate.
Boil the mixture on low heat for about half an hour, stirring continuously. Then cool and strain. You can add antiseptics solution.