Why Your Paint is Peeling (And How the Pros Fix It)
Painting seems easy. Open tin, dip roller, paint wall. Wrong. That’s how amateurs do it, and it’s why their paint cracks and peels off a month later. Here are the 3 secrets to a professional finish.
1. Wash the Walls First If you paint over grease, the paint will slide right off. Go to the shop, buy a bottle of "Sugar Soap," mix it with warm water, and wipe the walls down with a sponge. Let it dry. This takes 20 minutes and is the secret to paint that actually sticks.
2. The "Mist Coat" Rule for New Plaster If you just had a wall plastered, it will look light pink. Do not put thick paint on it. Bare plaster is like a sponge; it will suck the water out of the paint so fast that the paint will crack and peel off like sunburn.
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The Fix: Make a "Mist Coat." Take some cheap white emulsion paint, mix it in a bucket with 50% water, and paint the wall with it. It will soak in, seal the plaster, and make a perfect base for your expensive top-coat.
3. The Magic Primer for Stains Got a brown water stain on the ceiling? Or a dark knot in a piece of pine wood? Standard paint will never hide it. The stain will just bleed through the next day.
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The Fix: You need a shellac-based primer (ask for Zinsser B-I-N at the shop). Paint it over the stain. It dries in 15 minutes and locks the stain away forever. Then you can paint over it normally.
Do it right. Do it once.