TYPE OF SUBBSTRATE |
NEW UNPAINTED SURFACE |
PREVIOUS PAINTED SURFACE |
Concrete Walls/
Ceilings (Masonry) |
- Ensure surface is clean and dry
- Apply appropriate sealer
|
- Remove lose paint film by hard scraping/ high pressure water jet
- Treat fungi, algae or mould with fungicidal/biocidal wash
- Ensure dry off before painting
|
Metal/Ferrous Substrate |
- Remove rust or millscales by manual or mechanical cleaning
- Ensure surface free from oil, grease and other contaminant
|
- Remove loosely adhering paint
- Remove debris, oil, grease or other contaminants before painting
- Use suitable primer
|
Wooden Substrate |
- Ensure surface is free from oil, grease and other contaminants
- Sanding surface with abrasive paper for better adhesion and appearance
|
- Remove loose adhering paint
- Ensure surface is clean and dry
- Use suitable primer
|