I just know somebody from an initials-only organization is going to come a disappear me for revealing these gems. But a Popular Mechanics article promotes the following:
- Sanding
- Tinted primer
- Press blue tape with putty knife
- Use paint extender/conditioner
- Scrape a ridge in a textured ceiling
- Use canvas drop cloths [better if it has a plastic backing]
- Do one wall at a time
- Scrape (don't tape) windows
- Box paint
- Wash roller covers before use
- Degrease walls before painting*
- Load the brush
- Push paint
Full explanations and examples here:
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- Oil and (latex) paint don't mix. You can use fact this to your advantage by spraying your hands with PAM before painting. After painting, a squirt of PAM in the paint can will put a thin layer of "oil" atop the remaining paint thereby preventing skin formation.