When properly applied, plaster or render acts as a skin over porous cement blocks. This reduces the amount of water that can penetrate during heavy rains.
The Role of Plaster and Render in Protecting Walls
Plaster and render are more than just decorative finishes — they’re the first line of defense against the harsh Gambian climate.
Moisture Barrier
Smooth Surfaces Repel Dirt
Rendered walls shed water and dirt more easily than bare blocks. With fewer places for dirt to collect, there’s less food source for mould and algae.
Thermal Benefits
Render provides a thin layer of insulation, reducing the stress from daily temperature swings. This lowers the risk of cracks in the wall.
Aesthetic and Durability Upgrade
Beyond protection, plastered and rendered walls simply look better — smoother, cleaner, and more professional. Homes with finished walls also hold greater resale value.
stylus
Practical Tip
Use cement-sand render with a good mix ratio (often 1:4 or 1:5 cement to sand). Too much sand makes the render weak; too much cement makes it brittle.