Curing is the process of keeping newly made blocks moist so that the cement can fully harden. Without enough moisture, the cement dries too quickly and becomes brittle, reducing the block’s strength and durability.
A Homeowner’s Guide to Properly Curing and Protecting Building Blocks
Many Gambian builders rush the construction process by using cement blocks before they are properly cured. Poorly cured blocks remain weak, porous, and highly absorbent, leading to cracks and water damage later on. Homeowners should understand what proper curing looks like so they can insist on good practices during construction.
What Is Curing and Why Is It Important?
Best Curing Practices
- Shade curing: Storing blocks under cover to protect from direct sun.
- Water curing: Sprinkling blocks with water daily for at least 7 days (ideally 14).
- Covering with plastic sheets or damp sacks to retain moisture.
How Homeowners Can Check Curing Quality
- Ask questions: How many days were the blocks cured?
- Do a scratch test: Weak blocks scratch or crumble easily.
- Check color: Properly cured blocks tend to be darker and denser than undercured ones.
Protecting Blocks After Building
Even cured blocks need protection. Rendering, plastering, or painting prevents water from penetrating the porous surface. Skipping this step is one of the main reasons houses develop damp problems.
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Takeaway
Proper curing is not optional—it’s the foundation of a strong, long-lasting house. Homeowners who supervise this stage avoid many of the cracks and mould issues seen in block houses across The Gambia.