At Block & Rib, we specialize in the design, manufacture, and supply of high-quality precast concrete slab systems that deliver strength, efficiency, and long-term performance. With decades of industry experience, we provide contractors, developers, and homeowners across South Africa with reliable solutions for residential, commercial, and industrial construction projects.
Our signature rib and block slab system is engineered for durability and cost-effectiveness, offering fast installation with minimal on-site labor. It’s the ideal choice for suspended concrete floors and roofing where strength and speed are essential.
Rib and Block Slabs – Lightweight, versatile, and perfect for multi-level builds.
Precast Concrete Beams – Designed for strength and structural integrity in heavy-duty applications.
Precast Columns – Custom-manufactured to support architectural and structural requirements.
Cantilevers – Engineered to extend floor space without extra support, perfect for modern design needs.
Concrete Staircases – Precast stairs for quick installation, clean finishes, and lasting durability.
All our products are manufactured under strict quality control standards, ensuring compliance with local building regulations. We work closely with engineers, architects, and contractors to provide solutions that meet each project’s specifications, no matter the scale or complexity.
With a strong footprint across Gauteng and surrounding regions, Block & Rib is known for dependable delivery, expert support, and competitive pricing. Whether you’re building a home, office block, school, or retail center, our precast slab systems offer the reliability and performance your project demands.