Modcon Precast

What Modcon Precast does

Modcon Precast is a South African manufacturer of architectural precast concrete products, founded in 1955 by Maurice Stiller in Kew, Johannesburg and now operated as an equal partnership between Alan Stiller and Moses Venceslau. The company produces 40+ product categories — columns, balustrading, bollards, copings, domes, fireplace mantels, water channels, pier caps, window sills, paving slabs, breeze blocks, steps and risers, decorative architectural trim, and many other precast elements — for architects, contractors, developers and homeowners. Distribution runs through a Johannesburg headquarters/showroom and a Cape Town branch opened at the former Old World Concrete yard, with nationwide delivery via own fleet plus third-party transport and an online quotation request system as the primary digital touchpoint.

The company's proprietary technology is MLC (Modcon Lightweight Concrete), a polymer-modified, fibre-reinforced cementitious composite developed in 1999 and registered as trademark 2004/09270. MLC combines the strength and durability of concrete with lightweight construction advantages and is used as an alternative material for many standard products, with claimed compressive strength above 30 MPa, dimensional shrinkage below 0.5%, and Charpy impact resistance of approximately 30 kJ/m². Traditional precast products use steel reinforcement (carbon steel standard, with stainless, galvanized and epoxy coatings available at additional cost). All stock products ship with AutoCAD drawings to support architect/specifier integration, and in-house mold manufacturing under master tradesmen supervision enables the company's custom-build promise of 'If you can draw it, we can make it.'

The business model is sales-led and direct-to-customer with no intermediaries, channel partners or e-commerce. Pricing is quote-based and not publicly disclosed; quotations are valid for 14 days, require a 100% deposit on order confirmation, and offer 30-day credit terms to approved accounts. Revenue streams are predominantly one-time product sales, supplemented by delivery/transaction fees and a recurring credit facility. The company is B-BBEE Level 3 certified, holds no institutional capital, has no subsidiaries and operates exclusively within South Africa.

Name

Modcon Precast

Legal name

Modcon Precast (Pty) Ltd

Website

https://modconprecast.co.za

Company type

Private

Founded year

1955

Operating status

Operating

Short description

Modcon Precast is a South African architectural precast concrete manufacturer, founded in 1955, producing 40+ product categories plus its proprietary MLC (Modcon Lightweight Concrete) line for architects, contractors, developers and homeowners via Johannesburg and Cape Town branches with nationwide delivery.

Ownership category

akta.pro rank

Product category

Architectural Precast Concrete Products

NAICS

Other Building Material Dealers (44418)

SIC

Concrete Products, Except Block & Brick (3272), Concrete, Gypsum & Plaster Products (3270)

akta.pro primary industry

Precast Concrete Products (IMADAAAB)

Keywords

• Precast concrete products
• Architectural concrete elements
• Lightweight concrete manufacturing
• Concrete building components
• Custom precast fabrication

Headquarters

HQ city

Johannesburg

HQ country

South Africa

HQ region

Africa

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Precast Concrete Products: One-time sale of precast concrete products including standard catalogue items and custom-manufactured products. Products include balusters, bollards, columns, copings, domes, fireplace mantels, gulleys, paving slabs, pier caps, water channels, window sills, and architectural trim. Revenue is transaction-based with 100% deposit required at order confirmation.
2. MLC (Modcon Lightweight Concrete) Products: Sale of MLC products which can be used for panels, cladding, signage, and various architectural applications. MLC is offered as alternative material for many standard products. Premium pricing compared to standard concrete due to specialized properties.
3. Delivery Services: Delivery services using own fleet for local deliveries and third-party outside transport for nationwide delivery. Delivery charges based on location, with outside transport requiring 3-4 weeks advance booking. Additional charges may apply for fuel increases or toll rate changes.
4. Credit Facilities: Approved credit customers can pay within 30 days of invoice. Credit terms available through credit application process. Interest or penalties may apply for late payment.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels7 records

Core offering

Modcon Precast manufactures and sells architectural precast concrete products and proprietary MLC (Modcon Lightweight Concrete) components for the South African building industry. The company offers both standard catalogue items (100+ product types including columns, balustrading, bollards, copings, window sills, pier caps, domes, fireplace mantels, and water channels) and custom-manufactured products to client specifications. Products are sold through physical showrooms in Johannesburg and Cape Town and via online quotation requests, with nationwide delivery across South Africa.

Product overview

Modcon Precast is a proudly South African manufacturer specializing in architectural precast concrete and MLC (Modcon Lightweight Concrete) products. Founded in 1955, the company operates as a single unified manufacturing business offering both standard catalog products and custom bespoke precast solutions. The product portfolio centers on two main offerings: traditional precast concrete products (columns, copings, window sills, pier caps, balustrading, bollards, domes, water channels, fireplaces, breeze blocks, and 40+ additional product categories) and MLC (Modcon Lightweight Concrete), a polymer-modified fibre-reinforced composite. Products are available through Johannesburg and Cape Town branches with nationwide delivery. The company provides AutoCAD technical drawings for their standard stock products and also acquired the Old World catalogue brand for Cape Town heritage-style products.

Differentiator

Problem solved

Functional benefit

Brands

• MLC (Modcon Lightweight Concrete): MLC is a polymer-modified, fibre-reinforced cementitious composite developed in 1999. It combines the strength and durability of concrete with lightweight construction advantages. Used in iconic South African developments such as Montecasino, Gold Reef City, and Emperors Palace. Trademark registered in 2004 (2004/09270).
• Old World Concrete

Products and services

• Modcon Lightweight Concrete (MLC) Polymer-modified, fibre-reinforced cementitious composite developed in 1999. Combines strength and durability of concrete with lightweight construction advantages. Suitable for interior and exterior applications including panels, cladding, signage, and architectural elements. Used in iconic South African developments such as Montecasino, Gold Reef City, and Emperors Palace. Compressive strength >30 MPa, dimensional stability <0.5% shrinkage, Charpy impact ~30 kJ/m².
• Columns (Doric, Tuscan, Building, Bulging) Precast concrete columns in Doric and Tuscan architectural styles, hollow building columns (200mm, 250mm, 300mm diameters), and bulging columns (6 sizes, MLC/GRC only). All columns reinforced with re-bar and sold with caps and bases included. Building columns currently feature a 20% discount.
• Balustrading Systems Precast concrete balustrading systems including balusters, plinths, and coping tops. Manufactured from 25-30MPa reinforced concrete with Y10 re-bar. Used for architectural perimeters, balconies, and staircases.
• Bollards Precast concrete bollards for creating protective or architectural perimeters, guiding traffic, and marking boundaries. Available in multiple standard sizes. Used in projects including Soccer City (FNB Stadium).
• Fireplace Mantels Architectural precast concrete fireplace mantels available in various designs including Adam deep head, Louisen, Horatio, Carousel, and Pediment styles.
• Domes Precast concrete domes available in standard sizes (1.7m and 3.7m diameter) and custom special domes manufactured to client specifications.
• Copings Precast concrete wall copings available in splayed, wedge, and saddle back configurations. Can be manufactured in concrete or MLC with optional radius forms.
• Window Sills Precast concrete window sills available in various standard sizes with splays on either side and drip lines for water drainage.
• Pier Caps Precast concrete pier caps available in standard and special custom sizes for architectural column finishing.
• Water Channels Precast concrete water channels, dog bones, and water spouts for architectural and drainage applications.
• Gulley Products Precast concrete gully products for drainage applications.
• Breeze Blocks Precast concrete breeze blocks in various patterns and sizes for architectural wall applications.
• Paving Slabs & Stepping Stones Precast concrete paving slabs and stepping stones for landscaping and outdoor applications.
• Concrete Panels & Veneer Precast concrete wall panels, veneer mouldings (FRC and veneer), and architectural wall finishes for interior and exterior applications.
• Steps & Risers Precast concrete steps and risers for staircases, manufactured to standard sizes or custom specifications.
• Old World Catalogue (Cape Town) Heritage-style precast concrete product catalogue exclusive to the Cape Town branch, featuring Old World products manufactured by Modcon Precast management at the former Old World Concrete yard premises.
• Custom Precast Manufacturing Service Custom manufacturing service for any precast concrete product to customer specifications and drawings, under the tagline 'If you can draw it, we can make it.' Includes in-house mold fabrication under master tradesman supervision. Special orders accommodate non-standard dimensions, finishes, and bespoke designs.
• Nationwide Delivery Service Delivery services using own fleet for local deliveries (offloading within 3-5m of truck) and third-party outside transport for nationwide delivery (3-4 weeks advance booking). Charges based on location with additional fuel/toll surcharges as applicable. Customer responsible for offloading with mechanical equipment for third-party transport, no labour or crane facilities provided.

Quantifiable outcome

• MLC gains strength through exposure to moisture and environmental conditions over time
• +3 more outcomes

Named customers16 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Holcim: Global building materials giant with concrete products and precast operations across multiple geographies. Operates at vastly larger scale than Modcon but provides a global benchmark for concrete products players and an indirect competitive reference in the broader construction materials space.
• CRH plc: Global leader in building materials with extensive precast concrete, architectural products, and infrastructure operations worldwide. Provides a broad reference point for the architectural and structural precast concrete category, though at very different scale and geographic footprint than Modcon.
• PPC Limited: Listed South African cement and concrete products group with broad construction materials portfolio including aggregates, readymix, and precast operations. Overlaps with Modcon in concrete products serving the South African construction sector but operates at much larger scale across multiple categories.
• AfriSam: Major South African construction materials supplier producing cement, readymix concrete, aggregates, and concrete products. Competes in the broader concrete products space but is a volume-driven broad incumbent rather than a specialist architectural precast supplier.
• Aveng Manufacturing: South African construction and engineering group with precast concrete manufacturing capabilities serving infrastructure and building markets. Much larger conglomerate with diversified offerings; provides broader context on the SA precast competitive landscape.

Regional players

• Echo Prestress: South African precast and prestressed concrete manufacturer specializing in structural precast elements such as beams, slabs, and columns for infrastructure and commercial projects. Regional competitor with overlapping precast capabilities but a more infrastructure/structural orientation than Modcon's architectural focus.
• Boral Limited: Australian building materials and construction group with significant precast concrete operations serving architectural and infrastructure markets. Comparable in product category (architectural precast) but operates in a different geography; useful for valuation and product portfolio benchmarking.

Direct peers

• Concrete Units: South African precast concrete manufacturer producing architectural and structural precast elements including columns, beams, and custom products. Direct competitor in the same product category and geography with overlapping customer base of contractors and developers.
• Stancon Precast: South African precast concrete manufacturer explicitly mentioned in Modcon's history as the prior employer of co-partner Moses Venceslau. Directly comparable as a domestic specialist precast producer serving architects and developers with similar architectural precast product lines.

Emerging players

• Corobrik: South African clay brick and masonry products manufacturer that competes with Modcon in the broader architectural building materials category. While primarily clay-based rather than concrete, serves similar architects, developers, and contractors in the South African built environment with complementary masonry products.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/modconprecast
• Instagraminstagram.com/modconprecast
• Pinterestza.pinterest.com/Modcon_Precast/_saved

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

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 Modcon Precast