C20 Concrete Zanzibar
Light structural concrete for residential foundations, slabs, and general-purpose applications.
Light structural concrete for residential foundations, slabs, and general-purpose applications. C20 concrete is manufactured at Zanzibaba's laboratory-tested batching plant using washed sand and premium aggregates, ensuring consistent quality for residential and light structural applications across Zanzibar.
Current ZanziCore rate available on request
Indicative pricing — confirm on WhatsApp for current rates.
Grade Specifications
Compressive Strength
20 MPa
Cement Content
~250 kg/m³
Aggregate Size
20mm
Slump Range
60–120mm
Curing Period
28 days
Recommended Projects
FREQUENTLY ASKED QUESTIONS
C20 Concrete Questions Answered
What is C20 concrete used for?
C20 concrete is used for light foundations, residential slabs, driveways, and general-purpose concrete work where moderate strength is needed.
Is C20 strong enough for a house foundation?
C20 is suitable for light residential foundations. For heavier structures or multi-story buildings, C25 or C30 is recommended.
Foundations
Foundations — Project Gallery
Concrete foundation construction — strip footings, raft foundations, pad footings and trench fill for Zanzibar projects.
Concrete Foundation Pour Zanzibar
Laboratory-tested C25 concrete poured into foundation footings for a residential villa in Paje, Zanzibar.
concrete foundations zanzibar
Strip Footing Concrete Pour Zanzibar
C30 concrete strip footing being poured for a beachfront villa foundation in Nungwi, Zanzibar.
strip footing concrete zanzibar
Foundation Reinforcement Steel Zanzibar
Rebar reinforcement cages positioned and tied for a raft foundation before concrete placement.
foundation reinforcement zanzibar
Foundation Planning Zanzibar
Site team reviewing foundation specifications and concrete volume calculations before ordering.
concrete foundation planning zanzibar
Applications & Uses
Zanzibar Concrete Resources
Explore our complete concrete knowledge base — grades, calculators, guides and project references.
Concrete Grades
C15 to C35 — compare strength, applications and pricing
Concrete Calculator
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Concrete Quote
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Concrete Projects
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Quality Control
Laboratory testing and quality assurance
Concrete Delivery
Delivery areas, scheduling and logistics
Concrete Supplier
Why choose Zanzibaba Premium Concrete
Concrete Prices
Current concrete pricing by grade
C25 Concrete
Most popular structural concrete grade
C30 Concrete
High-strength for commercial projects
Knowledge Hub
Concrete guides, comparisons and technical resources
All Locations
Concrete delivery across all Zanzibar areas
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