What Cemblocks does

Cemblocks (PTY) Ltd is a South African cement brick, paving, and aggregate manufacturer headquartered in Rustenburg, North West province. Founded in 1981 and operating for over 40 years, the company runs five manufacturing plants and two crusher facilities producing a broad product line that includes stock bricks, maxi blocks, ash bricks, satin and rock face bricks, interlocking and bevel paving, kerbs, paving slabs, grass blocks, Armorflex erosion-control blocks, and graded sand and stone aggregates. Its production technology centers on a zero-electricity curing process and the use of approximately 90% recycled mine waste as raw material, with the company recycling more than 28,000 tons of mine waste per month into finished building products. Quality control is enforced through in-house laboratory testing of every batch before delivery.

The company generates revenue through direct hardware sales across three product categories (bricks, paving and kerbs, and sand/stone) to four primary customer segments: residential and commercial developers, government and municipal projects, mining and agricultural buyers, and individual consumers. It operates a hybrid go-to-market combining direct field sales with a 24/7 online e-commerce shop launched in 2024, a Zoho-based customer portal, and a 34-truck owned delivery fleet serving Gauteng, North West, and Limpopo provinces. Pricing is quote-based unit pricing with volume discounts and periodic promotional online discounts; pricing visibility on the storefront is gated to registered users. Cemblocks holds SANS 1058 and SANS 927 certifications from the South African Bureau of Standards, CMACS approval from the Concrete Manufacturers Association, a Broad-Based Black Economic Empowerment (BEE) certificate, and POPIA compliance for its customer portal.

Name

Cemblocks

Legal name

Cemblocks (PTY) Ltd

Website

https://cemblocks.co.za

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Cemblocks is a Rustenburg, South Africa-based manufacturer of cement bricks, paving, kerbs, and sand and stone products, serving contractors, developers, municipalities, and mining operations across Gauteng, North West, and Limpopo since 1981.

Ownership category

akta.pro rank

Product category

Building Materials Manufacturing

SIC

Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)

akta.pro primary industry

Recycled Aggregates & C&D Materials Processing (RCA, RAP, Glass Aggregate) (IMAKAHAI)

akta.pro secondary industry

Concrete, Asphalt & Masonry Recycling (Crushing & Aggregate Production) (EUAIAHAD)

Keywords

• Cement brick manufacturing
• Concrete paving products
• Construction aggregate materials
• Building materials supply
• Recycled building materials

Headquarters

HQ city

Krugersdorp

HQ country

South Africa

HQ region

Africa

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Cement Brick Sales: Manufacturing and selling cement bricks including Stock Bricks, Maxi Blocks, Satin Face Bricks, and Rock Face Bricks. Products are sold directly to customers via online store and field sales.
2. Paving and Kerb Products: Manufacturing and selling paving products including Bevel Paving, Interlocking Paving (60mm and 80mm), Ubuntu Paving, Cottage Paving, Paving Slabs, and various kerb products.
3. Sand and Stone Products: Manufacturing and selling sand and stone products including Building Sand, Plastering Sand, Norite Concrete Mix in various sizes (-13mm, -19mm), G5 products, and Norite Crusher Run.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Cemblocks manufactures and supplies cement bricks, paving products, kerbs, and sand and stone aggregates from its five manufacturing plants and two crusher facilities in Rustenburg, South Africa. The company uses recycled mine waste (over 28,000 tons per month) and a zero-electricity curing process, producing SANS-certified and CMACS-approved products for residential, commercial, industrial, municipal, and mining customers across Gauteng, North West, and Limpopo. It sells through its own 24/7 online shop, direct field sales, and a 34-truck owned delivery fleet.

Product overview

Cemblocks is a South African manufacturer and supplier of cement bricks, paving, and building materials based in Rustenburg, North West. The company operates with a single unified product portfolio organized into three main categories: (1) Bricks including Stock Bricks, Maxi Blocks, Medium Blocks, Satin Face Bricks, Rock Face Bricks, Satin Maxi Blocks, and Ash Bricks; (2) Paving and Kerbs encompassing Bevel Paving, 60mm and 80mm Interlocking Paving, Ubuntu Paving, Cottage Paving, Paving Slabs, Grass Blocks, Armorflex Erosion Control Blocks, various Kerb figures, and Garden Kerbs; and (3) Sand & Stone products. Cemblocks operates five manufacturing plants and two crushers with a fleet of 34 delivery vehicles. The company has been manufacturing cement bricks and paving for over 40 years since 1981, delivering approximately 2,200 average monthly deliveries. In addition to physical products, Cemblocks offers digital services including a 24/7 Online Shop for product ordering and a Customer Portal for account management and order tracking.

Differentiator

Problem solved

Functional benefit

Products and services

• Maxi Blocks Cement maxi blocks manufactured with a combination of sand and stone products. Available in 7 MPa or Engineering Maxi Block of 14 MPa strengths. Suitable for RDP housing and large-scale construction projects.
• Stock Bricks Cement stock bricks manufactured to strict specifications using recycled sand and stone materials. Available in 7 MPa, 10 MPa, and Engineering Stock Brick 14 MPa strengths. Used for residential housing, corporate buildings, public buildings, fencing, and DIY projects.
• Medium Blocks Heavy-duty cement blocks ideal for industrial, agricultural, and mining construction needs. Suitable for projects requiring quick completion, DIY projects, and large areas needing coverage.
• Satin Face Bricks Cement semi-face bricks with smooth finish. Manufactured to order in a variety of colours. Used for modern architecture, lofts, contemporary buildings, focal features, houses, and fencing walls.
• Rock Face Bricks Cement semi-face bricks with earthy, industrial appearance. Available in a variety of colours. Manufactured to order for focal points or entire buildings.
• Satin Maxi Blocks Cement maxi blocks with smooth semi-face brick finishing surface. Manufactured with sand and stone products. Available in 7 MPa strength. Used for residential housing.
• Ash Bricks Cement bricks containing up to 30% ash (fly ash) from industrial waste. Provides better cement bonding, improved plaster adhesion, better thermal insulation, and easier workability compared to bricks made only from crushed aggregate.
• Bevel Paving (50mm) Class 2 bevel paving paver with 30 MPa strength. Designed for durability and aesthetic appeal. Ideal for driveways, walkways, and patios.
• 60mm Interlocking Paving Interlocking paving available in Class 2 (30 MPa) and Class 2.6 (40 MPa). Provides exceptional durability and secure fit. Ideal for high-traffic areas, commercial paving, public roads, industrial roads, heavy duty sites, and mining sites.
• 80mm Interlocking Paving Industrial grade interlocking paving for heavy duty traffic. Available in Class 2 (30 MPa) and Class 2.6 (40 MPa). Ideal for high-traffic areas, driveways, parking lots, and walkways.
• Ubuntu Paving (50mm) Modern paving with sleek design elements and contemporary look. 50mm thickness. Adds a modern finish to any project.
• Cottage Paving (50mm) Class 2 bevel paver with 25 MPa strength. Engineered for resilience and visual charm. Perfect for driveways, walkways, and patios.
• Paving Slabs (400mm x 400mm) 400mm x 400mm paving slabs available in Riven and Bevel (Chamfered) designs. Suitable for residential paving, corporate paving, and landscaping. Available in Grey and Charcoal colours.
• Grass Blocks Eco-friendly paving blocks with open cells allowing grass or ground cover to grow through. Made from durable concrete. Ideal for driveways, parking areas, pathways, erosion control, public spaces, emergency access lanes, and green roofs. Reduces water runoff and promotes natural drainage.
• Armorflex Erosion Control Blocks Flexible, interlocking matrix of cellular concrete blocks connected by cables. Used for erosion control and drainage applications including stormwater canals, roadside drains, riverbank protection, bridge abutment protection, dam crests, and spillways. Conforms to natural ground contours and accommodates settlement without cracking.
• Kerb Range (Figure 2, 3, 7, 8, Edge Beam) Kerbs meeting SANS specification. Available in Figure 2, 3, 7, 8, and Edge Beam styles. Used for finishes to roads, walkways, and gardening projects.
• Garden Kerbs Precision-moulded concrete garden edging. Available in 500mm (standard) and 250mm (short sections for tighter spaces). Pallet configuration: 35 x 500mm or 10 x 250mm. Used for garden edging, pathways, driveways, landscaping projects, and public spaces.
• Sand and Stone Products Range of sand and stone products including Building Sand, Plastering Sand, -13mm Norite Concrete Mix, -19mm Norite Concrete Mix, -26mm Norite Crusher Run, and G1-G7 grade materials.
• 24/7 Online Shop Online sales service allowing customers to order bricks, paving, kerbs, sand, and stone anytime. Enables product selection, cart management, secure checkout, and delivery scheduling. Offers bulk ordering and promotional discounts.
• Customer Portal Online portal for customers providing access to account information, order tracking, delivery details, and historical order data. Compliant with South Africa's POPIA data protection principles. Built on Zoho platform.

Quantifiable outcome

• Over 28,000 tons of mine waste recycled per month into building products
• +4 more outcomes

Named customers10 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Corobrik: South Africa's largest clay brick manufacturer producing a comparable range of masonry and paving products for residential, commercial, and infrastructure markets. Directly comparable as a regional brick supplier competing for the same South African construction contracts, though differentiated by clay vs. cement material.

Broad incumbents

• AfriSam: Major South African producer of cement, aggregate, and readymix concrete. Comparable in producing concrete building materials and aggregates for the construction sector, though at significantly greater scale and with a broader national product portfolio.
• PPC Ltd: Largest South African cement producer and key supplier of cement and related materials to the construction sector. Overlaps with Cemblocks in cement-based construction materials and operates at much greater national scale with upstream cement production.
• Afrimat: JSE-listed South African open-pit mining and construction materials company producing aggregates, concrete products, bricks, and readymix concrete. Comparable in aggregates production and concrete product manufacturing, with broader geographic and product footprint.
• Lafarge South Africa (Holcim): South African subsidiary of global building materials giant Holcim, producing cement, aggregates, and ready-mix concrete. Competes with Cemblocks in concrete building materials at vastly greater scale, broader portfolio, and deeper R&D.
• Boral Limited: Major building materials and construction products group producing cement, concrete, and masonry products. Comparable in product categories but operates primarily in Australia rather than Africa, providing a benchmark for building materials business economics.
• CRH plc: Global leader in building materials including cement, aggregates, and concrete products. Multinational peer with overlapping product categories to Cemblocks, though operating at vastly greater scale, geographic reach, and financial capacity.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UC_AfKTmtpk13mfNEhFC42gw
• Facebookfacebook.com/CemblocksPTY
• LinkedInlinkedin.com/company/applied-principles-ltd

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Cemblocks