Pre-fabricated steel stair solutions

We design, supply and install steel stairs as part of our commitment to provide the complete structural envelope. All SIGMAT stairs are installed storey-by-storey on-site to provide safe and permanent access for installers and follow-on trades.

We manufacture three types of steel stair flights in pre-fabricated welded units coated with primer paint. They incorporate folded plate closed treads with flat steel stringers, together with asymmetrical channel trimmer beams and landing support frames.

The 3 stairs options we offer are:

  • a simple folded plate tread - ready to receive direct finishes
  • a 50mm deep folded pan tread - ready to receive concrete infill on-site
  • a premium 25mm deep pan tread - supplied complete with a pre-fitted dense cement particle board infill.

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0113 887 8536