Lightweight Steel Trusses for Strong, Durable Roof Structures
Smart Steel designs and builds lightweight steel warehouses that are fast to assemble, durable in any climate, and cost-effective for businesses across South Africa. We also specialise in prefabricated lightweight steel roof trusses engineered for fast, cost-effective installation — ideal for residential, commercial, and industrial buildings across South Africa.
Steel trusses were used to replace an aging flat roof in Pretoria.
Steel structures designed to last
Durable metal roofing, trusses, and spec houses made from galvanised lightweight steel that won’t twist, warp, or shrink — ever. Our steel is fire-resistant, termite and borer proof, 100% recyclable, and engineered for strength and longevity in any climate.
Smart Steel is a trusted steel construction company and metal fabricatorin South Africa. As a full-scope construction company, we design, engineer, and build lightweight steel structures from concept to completion. Our in-house building designersand architectural designers ensure that every project balances aesthetics, functionality, and long-term performance.
We are proud to be one of the leading designers and suppliers of lightweight steel construction solutions across South Africa — ideal for custom steel workshops, affordable storage units, and modern steel warehouses.
Estimate Your Steel Structure Instantly
Use our free tool to get a quick cost estimate for your warehouse, based on your specifications at unbeatable prices.
Fast, modular, and energy-efficient — our cold-formed lightweight steel warehouses are engineered for South African conditions and tailored to your industry.
⚡ 50% faster to build than brick-and-mortar
🏗️ Clear spans up to 20–40 m — no interior columns needed
🌿 Eco-friendly materials that are fully recyclable
Today, modern building technologies are changing the way our homes are built. Advanced materials and contemporary designs work hand-in-hand, allowing durable and family friendly homes.
100% termite proof
Straight and true
Dimensionally accurate
Renowned durability
Won’t catch fire
Solar-Ready Steel Solutions
Smart Steel’s lightweight steel frames are the ideal foundation for modern solar installations. From carports to ground-mounted systems and integrated solar roofs, our structures are engineered for strength, longevity, and effortless solar compatibility.
Solar Carports
Create covered parking that works double-time — our steel carport systems provide reliable shelter while supporting solar panels for on-site energy generation.
Ground Mount Systems
Lightweight steel ground mounts designed for durability, fast assembly, and precise alignment — ideal for solar farms, rural sites, and residential arrays.
Solar Roof Structures
Whether retrofitting an existing building or designing from the ground up, our precision-engineered steel frames provide the perfect base for integrated solar roofing.