What are the steps in preparing the exterior of a building for painting?

10 Steps to a Quality Paint Job in Perth.

1. If your building doesn't have a weep screen the painter should trench dirt away from the foundation so that the paint begins 3 inches below the surface; otherwise, you may expect peeling imminently.
2. Hydroblast to remove dirt, dust and contaminants from the surfaces. Use the chemical injection attachment to inject a mild solution of T.S.P. and household bleach
3. Scrape all remaining loose paint and sand as necessary.
4. Repair all damaged areas with appropriate repair materials. For severely damaged areas your painter may recommend replacement or restoration with epoxy type materials.
5. If mildew was present have your painter add mildicide treatment to the paint. This will retard any fungus or mildew growth
6. Caulk all open joints that pertain to keeping the home weather-proof. Discuss any additional aesthetic caulking that you desire with your painter prior to commencement of work
7. Mask all fixtures and protect all critical areas with drop-cloths or painters plastic..
8. Prime all repaired areas, this will seal the surface and ensure proper adhesion.
9. Apply one or two finish coats. One finish coat is sufficient when you are keeping the same color. Otherwise two finish coats is always recommended when changing to a new color.
10. Clean up, label all paints with color name and location used, and remove all trash.