Structural weightHow much does a steel hangar weigh?
Structural weight is the largest cost item. These are measured figures from projects we delivered, not estimates.
Read How much does a steel hangar weigh?Blog
Steel structures, explained item by item
Eight articles covering what we get asked about most: structural weight and cost, dimensions, steel versus concrete, insulation, corrosion protection, and site erection.
Article list
Structural weight
Design vs executionWhy does design weight differ from as-built weight?
Design weight 49 tonnes, as-built 42. A 14% gap — and what it means for you as a buyer.
Read Why does design weight differ from as-built weight?
Structural comparisonSteel hangar or concrete?
Span usually decides the choice, not price. Here is where each system ends.
Read Steel hangar or concrete?
Cost and quotationsHow is the cost of a steel hangar calculated?
Two quotations 40% apart can both be correct — because they describe two different buildings. Here are the items that decide the gap.
Read How is the cost of a steel hangar calculated?
Dimensions and designClear span and clear height: fixing dimensions before design
The client measured to the apex of the truss; their crane needed the clear height. That one error has sent whole projects back to the drawing board.
Read Clear span and clear height: fixing dimensions before design
Cladding and insulationCladding and insulation: preventing condensation and leaks
What fails on a roof is rarely the sheets. It is the details at edges, corners, and penetrations.
Read Cladding and insulation: preventing condensation and leaks
Protection and maintenanceCorrosion protection: from surface preparation to the coating system
An excellent coating over an unprepared surface fails before an average coating over a well-prepared one.
Read Corrosion protection: from surface preparation to the coating system
Site erectionSite erection: the right sequence and the safety points
The iron rule: temporary support is not released before the permanent bracing system is complete.
Read Site erection: the right sequence and the safety points