Concrete Contractor Zanzibar

Ready mix concrete is concrete that is batched at a plant and delivered to your construction site in a mixer truck. It provides consistent quality, accurate mix designs, and eliminates the variability of site-mixed concrete.

Washed sand removes salt contamination, silt, and organic matter that weaken concrete. In coastal environments like Zanzibar, washed sand is essential to prevent salt-induced deterioration and ensure long-term durability.

C25 is the standard grade for residential foundations. For commercial buildings, hotels, and multi-story structures, C30 or C35 is recommended depending on structural loads.

Concrete prices vary by grade, volume, access and delivery location. Current rates are supplied through ZanziCore when available and must be confirmed before ordering.

Yes. We deliver ready-mix concrete across Zanzibar including Paje, Nungwi, Stone Town, Kendwa, Kiwengwa, Jambiani, Bwejuu, Fumba, and all construction areas.

Yes. We can accommodate custom mix designs based on engineer specifications. Share your mix design requirements on WhatsApp and we'll confirm availability.

Multiply length × width × depth in metres to get cubic metres. Add 5–10% waste allowance. Use our online concrete calculator for instant estimates.

Minimum order volumes apply depending on location and mixer truck capacity. Contact us on WhatsApp with your volume estimate for scheduling.

Concrete reaches initial set within 24–48 hours and achieves design strength at 28 days. Keep concrete moist-cured for at least 7 days for optimal strength.

Yes. Pump hire is available for elevated pours, hard-to-reach areas, and large-volume placements. Share your site access details for pump recommendations.