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Standard structural concrete — the most popular grade for residential and commercial building projects in Zanzibar.
Standard structural concrete — the most popular grade for residential and commercial building projects in Zanzibar. C25 is the most popular concrete grade in Zanzibar, manufactured at Zanzibaba's laboratory-tested batching plant using washed sand and premium aggregates for residential and commercial building projects.
Current ZanziCore rate available on request
Indicative pricing — confirm on WhatsApp for current rates.
Compressive Strength
25 MPa
Cement Content
~300 kg/m³
Aggregate Size
20mm
Slump Range
60–120mm
Curing Period
28 days
FREQUENTLY ASKED QUESTIONS
C25 is the most common structural grade used for house foundations, floor slabs, beams, columns, and general structural concrete work.
The current C25 rate comes from ZanziCore. Final cost depends on volume, delivery location, access and pour scheduling.
C25 has 25 MPa compressive strength while C30 has 30 MPa. C30 is used for heavier structural loads and reinforced slabs requiring higher durability.
Slabs
Concrete slab construction — ground slabs, suspended slabs, roof slabs and industrial floor slabs.
Concrete Slab Pour Zanzibar
Skilled crew placing and finishing C25 concrete slab at a villa construction site in Jambiani.
concrete slab zanzibar
Suspended Concrete Slab Zanzibar
C30 concrete used for suspended slab construction on a commercial building in Stone Town.
suspended concrete slab zanzibar
Ground Floor Concrete Slab Zanzibar
C25 concrete ground slab pour for a beachfront villa development in Paje.
ground concrete slab zanzibar
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C25 Concrete
Most popular structural concrete grade
C30 Concrete
High-strength for commercial projects
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