If you want to change their paint or wallpaper in your home first then performed to prepare the wall.The preparation and cleaning of surfaces that you will paint or paper are important. If the surface of a wall is fat, the siding will not want to paste or application will not be equal, and sometimes even take off after a short period of temps. Paint is a liquid that is going to marry all forms. On a flat surface, a tiny hollow will produce glare and make very small defects visible. It is therefore important to repair and prepare the walls and ceiling before applying paint.
The walls are more conducive to need repair. To fill a large hole, although it is best to fix it. For small nail holes or small scratches frames, you just use a bit of plaster or joint cement and a spatula.
So you repair small defects and sometimes you need to cover a stain you cannot clean properly. A thin coat of paint primer will help to hide it. The same goes for small repairs that are plaster or drywall paper from a big hole, because the repairs will drink a larger amount of paint.
For a wood surface that is already painted, you have to grind a bit and make sure the old paint will not peel. Once all repairs must be properly clean the surface to remove dust and grease. The best and cheapest way to clean walls and ceilings is to use tri sodium phosphate (TSP), a granule that you mix with water for degreasing.
If the wall you have painted is cleaned frequently and is not exposed to cooking fumes, you can wash with normal soap. For walls and ceilings of the kitchen or the bathroom, it is preferable to use tri sodium phosphate, which is much more powerful. Wear gloves and rinse the surface thoroughly after cleaning.
Allow the surface to dry and then remove trim electrical outlets and switches. It is easier to remove the plates taken and vents as clean once you have done a top job. If you paint roller, wrap the ceiling fans in a trash bag. Cover the floor with paintings and use masking tape to cover the door handles and other items more difficult to remove.
Make a final check for tasks or defects in the surfaces. If everything is ready, you can apply the paint and then make decorative surface coating of the wall as decorative wallpaper.