Insights

Notes from engineering and project delivery.

Short technical pieces on steel grades, coatings, certification and the practical decisions behind delivering enclosures that last. Written for engineers, procurement and project managers specifying fabricated structures.

Technical guides and articles

Steel eHouse enclosure render with access doors, inspection hatches and a ventilation louvre
Power infrastructure · 5 August 2026 · 6 min read

What is an eHouse? Packaged substations, kiosks and electrical houses explained

What eHouse, packaged substation, kiosk and containerised substation each mean, and how to choose the right steel housing.
Side-by-side comparison of structural steel sections and woven glass-fibre reinforcement
Materials · 29 July 2026 · 5 min read

Steel vs GRP enclosures: when each makes sense

When a steel enclosure is the right call and when GRP makes more sense: strength, span, fire, corrosion, weight and cost compared.
Close-up of rust on a weathered steel surface
Guides · 22 July 2026 · 4 min read

ISO 12944 corrosion classes explained: choosing C3, C4 or C5

A plain guide to ISO 12944 corrosion categories C1 to CX and durability ranges, and how to choose the right class for a steel enclosure on an outdoor site.