You scuff up existing paint for two reasons. First, you want to get rid of any oil, grease or dirt trapped in the top layer of paint. This is the stuff that cleaners and degreasers can't get off. The second reason to scuff is to set up a physical bond for the new primer and paint to adhere to. You want to give the old paint some tooth so the new sticks better.
Hope this helps you in deciding complete exterior paint job, or partial trim only exterior paint job, saving painting costs when you can, from your local area painting contractor.
Cold water paints of the casein type may be applied either directly to a plastered surface, or the surface may be first given a coat of primer-sealer to equalize uneven suction effects. The same is true of resin-emulsion paints, with the recommendations of the manufacturer of the product being given preference in case of doubt. Since resin-emulsion paints usually contain some oil in the binder, they should ordinarily be applied only to plaster which has dried thoroughly.
For stippling you need a special brush; get one that is flat, and has short, stiff bristles.
With the new outside rollers, you can paint an average-size house in a couple of days. Add an extension handle and you can roll a terrace without stooping down, reach a roof without leaving the ground.
Kangra School: Real gold, stone, and water colors are squirrel-hair brushes are used. Glittering effect is extended using silver and golden colors.
PAINTING YOUR CEILING TIPS. · If you are painting the entire room, it is best to paint the ceiling first! · If you are using a paint roller, maneuver your arms in series of diagonal swaths (forming a letter M). Fill in the open areas by cross rolling. · If you are using a paintbrush, apply the paint in short strokes towards the unpainted area, known as "wet to dry." Then brush back into the area you just painted for a smooth surface. · If you are painting your ceiling, remove light bulbs, chandeliers, fluorescent lights and fixture covers. · Paint trim first, including edging around the ceiling, molding, and trim.