When it comes to rolling out the walls never ever use a cheap foam roller. Foam rollers never evenly absorb the paint out of the pan and will actually add time to you project and cause more mess. Buy yourself a synthetic professional 3/8 nap roller head for about $6 to $8. Not only will the paint be applied in a smoother fashion you will experience less work and mess.
Flat or Dead-Flat Oil - Provides a completely flat, oil-based finish. Generally used on walls but not suitable for areas of high wear.
WALL PAINTING TIPS. · Paint around the trim first, including edging around the ceiling. · When painting with a gloss finish, make the final brush strokes away from the light source of the room. The tiny ridges that a brush leaves won't be as pronounced. Use the same "wet to dry" method of painting.
Basically what you're looking for is a good, solid foundation of existing paint that is stable and still strongly bonded to the car. Many times an original factory paint job, even after decades will meet these criteria.
Painting Hard Spots. Specialized aids with built-in know, how tackle the hard spots for you.
Limewash - Made from slaked lime and water, this paint is good for porous surfaces such as brickwork, render and plaster and gives a chalky finish. It is available from specialist companies.
Selecting a Shop. You should always get quotes from at least 2-3 different shops near you. This will give you a chance to not only compare prices, but to also check out the quality of work each shop has done. Ask to see cars they've just painted. Look for orange peel or excessive overspray. Do they mostly do insurance work or do they paint entire cars also? What types of cars are they working on? A shop that sprays nothing but old beaters probably doesn't inspire as much confidence as one that does insurance work for the local Lexus or Mercedes dealer.