Painting Process and Techniques

There are three steps in the painting process. They are,

  1. Pre-Painting work
  2. Surface Preparation
  3. Painting

We’ll take a look at each of these processes for interior walls, exterior walls, metal surfaces and wooden surfaces.


Interior Walls


  1. Always check the surface for a, water seepage or dampness.
  2. Solve the seepage problem at the source. You might have to repair leading pipes or cracks.
  3. 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
  4. 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.

Surface Preparation

  1. Give adequate time so that the newly plaster. surface can mature. Popping of plaster can be solved during painting.
  2. 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.
  3. Get rid of flak. or crack. paint completely.
  4. 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.


  1. Apply a coat of wall primer. Use it on absorbent surfaces.
  2. Always use a water based primer on new surfaces.
  3. 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.
  4. 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.
  5. 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.
  6. Fix a, plumbing issues.
  7. 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.

Exterior Walls

Pre Painting

  1. 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.
  2. 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.
  3. 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.

Surface Preparation

  1. Give 35-45 days for curing for newly plaster. surfaces before painting.
  2. Do ensure that there is no dust, grease or any loose material.
  3. Get rid of algae or fungus growth by brushing it vigorously with a wire brush.
  4. 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.
  5. Sand previously oil paint. surfaces thoroughly.


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