Ballast
Ballast is the backbone of strong, durable concrete”and at BuildMate.co.ke, we supply only clean, well-graded 20mm ballast that meets Kenyan construction standards. Sourced from trusted quarries, our ballast is free from excessive dust, clay, or organic impurities that can weaken your mix. Whether you're pouring foundations, floor slabs, columns, or road bases, the right ballast ensures optimal strength, workability, and longevity.
We offer flexible ordering by tonne or cubic meter, with prompt delivery directly to your site in Nairobi, Kiambu, Machakos, and surrounding counties. Our logistics team coordinates with your schedule to avoid project delays”because running out of ballast mid-pour is never an option. Trusted by contractors, NGOs, and homeowners alike, BuildMate guarantees consistent quality, fair pricing, and reliable service. Don't compromise on your concrete's integrity. Order premium ballast from BuildMate today and build with confidence.
Technical Specifications
| Material Type | Crushed Stone Aggregate |
| Size Range | 10mm to 20mm |
| Density | 1.6 to 1.8 tonnes per cubic meter |
| Quality Standards | KEBS Certified |
| Moisture Content | Less than 2% |
| Silt Content | Less than 3% |
| Source | Trusted Kenyan Quarries |
| Applications | Concrete Mixing, Foundations, Roads, Slabs |
| Packaging | Bulk Delivery |
| Storage | Dry, Well-drained Areas |
| Certification | SPC and KEBS Certified |
Key Features & Benefits
- Well-Graded Aggregate: Optimal particle size distribution for strong concrete
- Clean Material: Free from excessive dust, clay, and organic impurities
- Consistent Quality: Meets Kenyan construction standards and specifications
- Optimal Strength: Enhances concrete compressive strength and durability
- Proper Density: Balanced density for workability and structural integrity
- Low Moisture Content: Minimizes impact on concrete water-cement ratio
- Reliable Sourcing: From trusted quarries with quality assurance
- Construction Grade: Suitable for foundations, slabs, and structural applications
- Cost Effective: Competitive pricing for bulk orders
- Timely Delivery: Same-day delivery in Nairobi and surrounding areas