Precautions & Repairs for Common Home Painting Defects

Precautions to Avoid Defects

Repairs

• If algae occur outdoor then remove plants or shrub from surrounding areas.

• If there is any leakage from the concealed plumbing lines then find the source of it, as it increases moisture on the surface and algae/mould can occur.

• Remove algae by high-pressure washing. Wash again to remove any residue and allow the wall to dry before applying with recommended paint.

Precautions to Avoid Defects

Repairs

• Thoroughly clean the areas to be painted before and after sanding.
• Apply two medium coats of primer, in accordance with manufacturer’s recommendation.

• If possible, remove the old paint first. Seal the surface with wood primer.
• Apply a sealer coat to remove the stained or contaminated layer.
• After the film gets fully hardened, sand thoroughly till the surface of the putty. Apply a sealer and re-apply the final coat.

Precautions to Avoid Defects

Repairs

• Make sure that the surface to be painted is clean and dry.
• Allow the paint to dry completely before exposing the surface to moisture.
• Use appropriate solvent and apply appropriate film thickness.

• Remove blisters by scraping then only sand the surface.
• Prime any bare timber with a high quality water based primer, and repaint with high quality water based exterior paint.

Precautions to Avoid Defects

Repairs

• Ensure proper surface preparation.
• Don’t use an interior paint for an outdoor application.
• Remove any unstable paint films.

• Remove chalk by washing or power washing the surface with an appropriate cleaner. Allow the surface to dry thoroughly.
• If noticeable chalk remains, use oil or alkyd based masonry primer as the first coat of paint.

Precautions to Avoid Defects

Repairs

• Do not use low quality paint.
• Do not paint in direct sunlight.
• When you are applying a second coat of paint, make sure the first coat is completely dry.

• Remove the loose paint with a scraper or wire brush, sand it to feather the edges, prime any bare spots and repaint it.
• If the cracking occurs over plywood, apply latex based paints.

Precautions to Avoid Defects

Repairs

• Stir the paint if necessary.
• Use new uncontaminated paint.
• Do not mix chalk or powder in paint.

• Remove the paint using appropriate thinner.
• Scrap or completely remove the contaminated layer and recoat.
• Re-coat with fresh paint using clean equipment.

Precautions to Avoid Defects

Repairs

• Be aware of weather conditions that may occur later in the day or during the early evening.
• Use correct paint application.

• It is easily removed with warm soapy water.
• Remove bloom with clean cloth or suitable solvent cleaners.

Precautions to Avoid Defects

Repairs

• Carefully prepare the surface, make sure the poor paint is rubbed down.
• Skilled paint workers are required.

• When painting, paint evenly and lightly in the same direction. Wait until the first coat is thoroughly dried before applying the second coat.
• Allow the paint to harden for several days. Rub down the affected areas with sandpaper, wash with clean water, dry thoroughly and apply a new top coat.

Precautions to Avoid Defects

Repairs

• Ensure walls are dry before painting.
• Check and repair water seepage.
• Try to identify and eliminate the cause of moisture.

• Scrap all the loose paint from the substrate.
• Use the suitable primer.

Precautions to Avoid Defects

Repairs

• Ensure that the surface is moisture free.
• Ensure joints and cavities are properly sealed.

• If moisture is coming from the walls from the outside, apply a waterproofing coating to the outside the surface.
• Apply a suitable sealer and coating system which are formulated for concrete, masonry, etc.

Precautions to Avoid Defects

Repairs

• Always sand and clean the surface before application
• Avoid applying paint in cool or humid conditions.

• If the sagging paint has dried, sand it and reapply a new coat of paint.
• Apply more coats of a thinner paint film.

Precautions to Avoid Defects

Repairs

• Sand and clean surface before the application of paint.
• Ensure that the paint film is completely dry before applying a second coat of paint.

• Allow the paint to dry thoroughly.
• Scrape or sand to remove the wrinkled coating.

Precautions to Avoid Defects

Repairs

• Cracks in plaster should be filled with cement sand mixture.
• Allow new walls to get cured for at least three months.

•  Apply an extra coat of primer or use a good quality sealer.
• Apply thin coats of putty.
• Scrap the surface and repaint adopting the right surface preparation.