There are three steps in the painting process. They are,
- Pre-Painting work
- Surface Preparation
- Always check the surface for a, water seepage or dampness.
- Solve the seepage problem at the source. You might have to repair leading pipes or cracks.
- Remove any loose plaster from the wall. Tap the walls to check for loose plaster. You’ll know if there is a hollow sound. – Fill up all cracks. Repair any broken plaster
- Give adequate time for curing 7 to 21 days depending on the extent of plastering. When you do re-plastering, give adequate time for drying and stabilizing.
- Give adequate time so that the newly plaster. surface can mature. Popping of plaster can be solved during painting.
- Remove paint flakes and loose particles. Scrape with sandpaper to dry the surface and remove dust, dirt or grease. -Remove previous coatings, powder distemper or cement paint. You must also remove earlier coatings of synthetic emulsion paints or oil, even if the condition is good.
- Get rid of flak. or crack. paint completely.
- You’ll have to treat affect. areas separately. Make a 5-10% solution of bleach powder in water and apply on affect. areas with a sponge or brush. Wash with clean water after 8-10 hours. Give it time to dry.
- Apply a coat of wall primer. Use it on absorbent surfaces.
- Always use a water based primer on new surfaces.
- Fill and level the minor undulations of wall putty. It, best to do some plastering if there are major undulations on the sur-face. Make sure that the surface is uniformly smooth by sanding.
- Apply a liberal coating primer on putty areas before applying the top coat. Give the primer 10-12 hours for drying. There can be patchy areas if the primer coating is not apply over putty regions.
- Don’t apply putty or filling compound when you are painting the exterior wall. Fill up cracks with a 1:3 by volume cement and sand mixture. – Always check all external drainage pipes for leakage and rusting.
- Fix a, plumbing issues.
- You’ll need to give special attention to the roof. Check for cracks near the edges. Good waterproofing work on the ceiling will make the paint last.
- You must always do the repairs before doing any painting. The most common problem with exterior walls, particularly old constructions, is cracks in the wall.
- Don’t apply putty or filling compound when you are painting the exterior surface. Fill up the cracks with a 1:3 sand mixture and cement.
- Check all external drainage pipes for leakage or masking. Check the roof always. Look for cracks close to the edges. Water-proofing makes the paint last longer.
- Give 35-45 days for curing for newly plaster. surfaces before painting.
- Do ensure that there is no dust, grease or any loose material.
- Get rid of algae or fungus growth by brushing it vigorously with a wire brush.
- Clean it thoroughly with a bleaching powder solution in water. Filter the solution and apply with a sponge or brush). You should be particularly careful while doing this on the top of the awnings, sunshades, and other horizontal surfaces because water can accumulate here.
- Sand previously oil paint. surfaces thoroughly.