Rocla Pty Ltd

Rocla Pty Ltd Rocla has over 95 years of rock-solid experience as a manufacturer of precast concrete products. Rocla's products carry the CMACS mark of approval.

With over 100 years operating experience, Rocla is the leading manufacturer of precast concrete products for infrastructure in Southern Africa. The company is headquartered in Johannesburg Gauteng with manufacturing plants in Gauteng, Free State, Mpumalanga, Limpopo, Western & Eastern Cape, Kwazulu Natal, Botswana and Namibia. It offers a vast product range of Pipes, Culverts, Manholes, Poles, Roa

d Barriers, Alfabloc Walling, Rainwater Harvesting Systems, Equipment Shelters, Oil Separators, Sanitation and Bespoke Products. Rocla is a fervent member of the Concrete Manufacturers Association (CMA) of South Africa, established to promote quality of manufacturing and appropriate technical application of precast products. The commitment and adherence to the ISO 9001:2015 Quality Management System is a strong demonstration of how important the company regards product quality. Rocla is committed to achieving high standards of environmental care and to providing a safe and healthy workplace for employees, contractors and all stakeholders. To ensure that it lives to this commitment the STOP.THINK.ACT.24/7 philosophy was adopted at all its manufacturing plants with the aim of making the company a place of zero harm and zero incident. The company operates based on the following values:

Care
Integrity
Respect
Accountability
Commitment

Rocla is committed to the sustainable development of Southern Africa and its people and will continue to make a meaningful contribution in the areas it operates in.

🚧The kind of infrastructure upgrade that turns a community into a powerhouse begins with the right materials. 🚧The Upgra...
22/11/2025

🚧The kind of infrastructure upgrade that turns a community into a powerhouse begins with the right materials. 🚧

The Upgrading of Vuwani Sports Complex in the Vhembe area, Limpopo Province, is in full swing and Phetlakgo Construction Cc has chosen Rocla’s 600 x 2.44 50D IJ for this project.

🏗️Why this product?

The 600 x 2.44 50D Interlocking Joint Pipe is known for:

- High structural strength
- Long-term durability
- Precision interlocking for water-tight performance
- Low maintenance & dependable functionality

🚜Where is it normally used?

This product is ideal for:

- Stormwater drainage systems
- Culverts
- Sports field and community facility upgrades
- Municipal infrastructure and roadworks
- Flood management and runoff control

Perfect for projects that demand strength, reliability, and long-term performance - exactly what a thriving sports complex deserves.

Let’s build infrastructure that lasts.

For more on our products, guidance or quotes:

📧 [email protected]
📞 +27 11 670 7600
🌐 www.isgroup.co.za

▶️ Follow us on YouTube for more updates and product insights:
https://youtube.com/?si=pOpM5K8Phh9W3Oi6

| Villiersdorp Destiny Services ProjectLast year, Rocla proudly supplied Asla Construction with 375mm, 450mm, and 600m...
12/11/2025

| Villiersdorp Destiny Services Project

Last year, Rocla proudly supplied Asla Construction with 375mm, 450mm, and 600mm RJ 100D reinforced concrete pipes for the Villiersdorp Destiny Services project. 💪

Built for strength, durability, and precision, our RJ (rolling rubber joint) design ensures leak-free performance and reliable water management - keeping infrastructure strong for years to come.

Rocla continues to deliver quality engineering that builds the future of our communities. 🌍

📺 Follow us on YouTube: youtube.com/
📧 Email: [email protected]
📞 Tel: +27 11 670 7600
🌐 Website: www.isgroup.co.za

Building Strong Foundations for Botswana’s Future 🚧Durable. Reliable. Engineered for performance.Rocla’s Precast Concret...
05/11/2025

Building Strong Foundations for Botswana’s Future 🚧

Durable. Reliable. Engineered for performance.

Rocla’s Precast Concrete Box Culverts are playing a vital role in the construction of the Capricorn Road Project, part of Jindal Africa’s P1.7 billion investment in infrastructure and energy development.

These heavy-duty structures are designed to efficiently manage stormwater and ensure long-term road stability - a critical component for highways, mining routes and major civil engineering projects.

✅ Benefits:

• Faster installation and reduced on-site labour
• Exceptional durability and load-bearing capacity
• Consistent quality and precision from factory-controlled production
• Long lifespan with minimal maintenance

From stormwater management to underpasses and service tunnels, Rocla’s precast solutions deliver strength you can depend on.

📞 Contact us:
Tel: +27 11 670 7600
Email: [email protected]
Website: www.isgroup.co.za

📺 Don’t miss out on more project highlights and product insights - follow us on YouTube:
👉 https://youtube.com/?si=pOpM5K8Phh9W3Oi6

Building Better Roads Starts Below Ground – Rocla Strengthens Nkomazi’s Infrastructure 🚨Strong, lasting roads rely on wh...
31/10/2025

Building Better Roads Starts Below Ground – Rocla Strengthens Nkomazi’s Infrastructure 🚨

Strong, lasting roads rely on what’s beneath and Rocla’s precision-engineered concrete solutions ensure a foundation built to endure.

For the Nkomazi Municipality Tender - Paving of Internal Streets in Aniva, Rocla supplied:

🔹 Stormwater Pipes - 600x2.44 SC 100D IJ (Sil)
🔹 RP Culverts 1200x1200
🔹 1200 RP Base
🔹 RP Culverts 1500x900
🔹 1500 RP Base

These products are essential for efficient stormwater management, structural durability and long-term road stability- ensuring that every project stands the test of time.

Trusted by municipalities and major contractors across South Africa, Rocla products are the backbone of urban infrastructure, roadworks and drainage projects nationwide.

👉 For more industry insights and product installations, follow us on YouTube: https://youtube.com/?si=pOpM5K8Phh9W3Oi6

Contact us:

📧 [email protected]
🌐 www.isgroup.co.za
📱 +27 11 670 7600

29/10/2025

Building the Future of Education - One Pipe at a Time! 💧

For the New UNISA Nelspruit Learner Centre, ENZA Construction chose Rocla TU Stormwater Pipes (600x2.44 SC 100D IJ SIL) - engineered for strength, precision and long-term performance.

✅ Benefits of Rocla Stormwater Pipes:

- Designed for efficient stormwater management
- Built to withstand high load conditions
- Ensures leak-free joints with superior interlocking systems
- Made from durable concrete for decades of reliability

These pipes are commonly used in:

🏗️ Urban drainage systems
🚧 Municipal infrastructure
🏢 Commercial developments
🏫 Institutional projects - like this landmark UNISA Learner Centre

Client: ENZA Construction
Project: Construction of the new UNISA Nelspruit Learner Centre
Quantity Delivered: 17 units | 12 tons

Get in touch for durable infrastructure solutions:

✉️ [email protected]
🌐 www.isgroup.co.za
📞 +27 11 670 7600

🎥 Explore more Rocla innovations and project highlights — follow us on YouTube:
👉 youtube.com/

22/10/2025

🚨 Strong Foundations Start Underground – Here’s How Rocla Powers Industrial Success 🚨

When constructing a high-performance industrial warehouse, stormwater management is non-negotiable. That’s why Kontinental Engineering chose Rocla’s high-quality IJ Stormwater Pipes for their project at Riverside Industrial Park, Nelspruit.

Product Delivered:

🔹 IJ Stormwater Pipes – 450x2.44SC 100D IJ (Sil)
🔹 Quantity: 123
🔹 Weight: 52 Tons

Why Rocla IJ Stormwater Pipes?

- Engineered for high load-bearing environments
- Delivers efficient drainage to protect warehouse infrastructure
- Ideal for industrial parks, commercial developments, and large-scale municipal projects
- Built to withstand harsh conditions and long-term operational stress

Perfect for projects like:

🏭 Industrial Warehouses
🚧 Large-Scale Developments
🏙️ Urban Infrastructure
🚚 Logistics & Industrial Parks

Need durable stormwater solutions that deliver maximum structural integrity and longevity? Choose Rocla – Where Engineering Meets Reliability.

Get in touch:

📧 [email protected]
🌐 www.isgroup.co.za
📞 +27 11 670 7600

🎥 Stay inspired with real-world project showcases & product insights – Follow us on YouTube:
👉 https://youtube.com/?si=pOpM5K8Phh9W3Oi6

ISG is committed to delivering the highest standards of product quality and service excellence.Our goal is to consistent...
15/10/2025

ISG is committed to delivering the highest standards of product quality and service excellence.

Our goal is to consistently exceed expectations through innovation, reliability and integrity in everything we do.





Concrete has come a long way! 🧱From ancient Roman structures still standing today, to self-healing and glow-in-the-dark ...
10/10/2025

Concrete has come a long way! 🧱

From ancient Roman structures still standing today, to self-healing and glow-in-the-dark technology, concrete continues to shape the future of construction. 🌍💡

Stronger Roads. Safer Journeys. Built with Rocla. The A3 Francistown–Mathangwane Dual Carriageway. Rocla is proud to be ...
09/10/2025

Stronger Roads. Safer Journeys. Built with Rocla.

The A3 Francistown–Mathangwane Dual Carriageway. Rocla is proud to be part of this major infrastructure development with our 2100 x 900 RP Culverts.

Our Reinforced Concrete Pipe Culverts are engineered for:
✅ Superior Load-Bearing Strength – perfect for heavy traffic and stormwater management
✅ Long-Term Durability – designed to withstand harsh conditions and extreme weather
✅ Ease of Installation – saving contractors time and costs on site
✅ Reliable Drainage Solutions – ensuring safe, flood-free roads

Ideal for:

🏗️ Road and highway construction
🌉 Bridge and drainage infrastructure
🏞️ Rural and urban stormwater projects

See more of how Rocla is driving progress across Africa!
Follow us on YouTube: https://youtube.com/?si=pOpM5K8Phh9W3Oi6

Contact us:

📧 [email protected]
🌐 www.isgroup.co.za
☎️ +27 11 670 7600

Powering Coastal Projects with Precision 🚧Rocla’s 2500mm Jacking Pipes are built to handle the toughest underground inst...
03/10/2025

Powering Coastal Projects with Precision 🚧

Rocla’s 2500mm Jacking Pipes are built to handle the toughest underground installations with strength, durability, and efficiency. Engineered for large-scale infrastructure, they ensure seamless pipe jacking where open-trench methods aren’t feasible, saving time, minimizing disruption and delivering reliability.

✅ Project Spotlight: WK Construction’s Coastal Project
Our 2500mm Jacking solution is enabling smooth progress and long-term resilience on this critical development.

📌 Perfect for:
- Urban & coastal pipeline installations
- Sewer & stormwater networks
- Projects requiring trenchless technology

Stay updated on groundbreaking projects and innovations - follow us on YouTube 👉 https://youtube.com/?si=pOpM5K8Phh9W3Oi6

Contact us today:

✉️ [email protected]
🌐 www.isgroup.co.za
☎️ +27 11 670 7600

Bigger, Stronger, Smarter Infrastructure Solutions in Action 👷‍♂️At the Tetra4 Gas Plant in Virginia, Rocla supplied 300...
01/10/2025

Bigger, Stronger, Smarter Infrastructure Solutions in Action 👷‍♂️

At the Tetra4 Gas Plant in Virginia, Rocla supplied 3000x2500x500 square manholes, a powerful choice for this critical project.

💡 Why square instead of round?

- Maximised space: Square manholes allow for more internal working room, making them ideal for larger utilities and plant environments.
- Design efficiency: They fit perfectly in rectangular trench systems, reducing wasted space and ensuring easier integration with surrounding infrastructure.
- Load-bearing strength: Their straight edges distribute heavy loads effectively, ensuring durability in high-pressure industrial sites.
- Custom versatility: Square manholes can be manufactured to specific sizes to suit unique project requirements.

🔹 Round manholes remain the go-to for standard road and municipal use because they are easier to roll, install, and resist ground pressure evenly.

🔹 Square manholes are the smart alternative when extra space, versatility, and alignment with structural layouts are needed, just like at the Tetra4 Gas Plant.

Want to see more of how Rocla is shaping infrastructure across Africa?

Follow us on YouTube for exclusive projects, insights, and innovation:
https://lnkd.in/gW2rFfRG

📞 Contact us today:
✉️ [email protected]
🌐 www.isgroup.co.za
📱 +27 11 670 7600

26/09/2025

🚨 Dignity is concrete. 🚨

Sanitation is more than infrastructure - it’s dignity, empowerment, and opportunity.

Through Rocla’s inclusiveness in sanitation projects, local contractors are prioritized to ensure meaningful job creation within communities. This initiative:

✅ Empowers local entrepreneurs, contractors, and SMMEs
✅ Builds sustainable livelihoods by enabling locals to become manufacturers and suppliers
✅ Delivers the highest quality, most innovative toilet structures in Africa

This is not just about toilets.
👉 It’s about restoring dignity, uplifting communities, and setting a new standard for sanitation across South Africa and beyond.

📌 Follow us on YouTube for updates, innovations, and project showcases: youtube.com/?si=pOpM5K8Phh9W3Oi6

📞 Contact us today:
✉️ [email protected]
🌐 www.isgroup.co.za
📱 +27 11 670 7600

Address

Rocla House, Cnr. Main Reef Road & Houtkapper Street
Roodepoort
1724

Opening Hours

Monday 08:00 - 16:30
Tuesday 08:00 - 16:30
Wednesday 08:00 - 16:30
Thursday 08:00 - 16:30
Friday 08:00 - 15:30

Telephone

+27116707600

Website

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