- Skipping proper curing: Blocks used too soon remain weak and porous.
- Poor drainage: Water pools around foundations, feeding damp walls.
- No damp-proof course: Rising damp creeps up walls.
- Lack of roof overhangs and gutters: Walls stay soaked in the rainy season.
- Cheap finishes: Thin plaster and low-quality paint fail to protect against moisture.
Common Mistakes in Gambian Building Practices That Lead to Mould Problems
Mould on walls is so common in The Gambia that many people think it’s unavoidable. In reality, mould is often the result of avoidable mistakes during construction. Learning these mistakes helps homeowners build smarter and protect their investment.
Common Mistakes
The Consequences
- Walls constantly damp.
- Mould and algae growth inside and out.
- High maintenance costs.
- Unhealthy indoor environments.
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Practical Tips
• Always ask about curing time and block quality. • Ensure the builder includes a proper DPC. • Add overhangs and gutters during roof design. • Choose breathable, water-resistant finishes.
Mould problems are not just about climate — they are often the result of preventable building mistakes. With the right practices, Gambian homes can stay stronger, healthier, and more durable.