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Cement
The binding material behind concrete, mortar and blockwork — the single most-used material on most sites.
Used for
- Foundations
- Concrete columns & slabs
- Blockwork mortar
- Plastering
Quality considerations
- Buy from reputable, established suppliers and check bag dates — cement loses strength over time, especially in humid storage.
- Store bags off the ground and away from moisture; a single wet season can ruin unused stock.
- Match the cement grade to the application — structural concrete generally needs a higher grade than plaster mortar.
Common mistakes
- • Ordering all cement at once for a long project, leading to spoilage before it's used.
- • Mixing mortar/concrete ratios by eye instead of by measured proportions.
Priced per 50kg bag; prices vary by brand, location, and delivery distance from Kigali.
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Figures shown are indicative estimates for planning purposes only, not guaranteed market prices. Confirm current costs with a quantity surveyor and local suppliers before finalizing a budget.