Contact Us

Prima Self Adjusting Railings


Prima self adjusting railing systems are a unique form of railings that follow the ground accommodating 20-degree rake whilst remaining straight across the top giving them a visually aesthetic flow. Previously called Tangorail the rebranding has seen this system soar in popularity, particularly with schools as they have anti-trap RoSPA approved infill bars and come in muti-colour branded as ‘kaleidoscope’

Standard specification:

  • Heights: From 900mm to 2.4m high
  • Panels: hollow section, manufactured from either round or square bar with bow tops, pointed or finial tops
  • Rails: HD rails 55x52mm hollow section channel or 60×25mm laser welded tube
  • Posts: CHS, RHS or RSJs, post centres depending on fence height from 2.565m, 2.75m  2.89m, 3m centres.
  • Fixings M12 shear nuts with loose cleats
  • Finish: Galvanised and polyester powder coated to any RAL or BS colour

Prima Self Adjusting Railing System

Playground Fencing Rails

Tango Rail Fencing Gate

20 degree raked Railings

Self Adjusting Railing with Finial

Anti-trap Railings Play Park


About Prima Self Adjusting Railings

Self-adjusting railings follow the ground, like palisade fencing but whereas palisade comes in piecemeal, these railings come is full panels that flow with ground levels with a 20-degree rake. Where as conventional railings require stepping to avoid excessive gaps underneath, self adjusting railings follow the ground whilst remaining straight across the top, giving an attractive constant flow.

All systems use hollow section steel and are mainly bow top or vertical bars. Posts are either RSJ or round depending on the height and system.

Formally known as Tangorail or Tango-rail, this system is popular with schools, the bow top systems are RoSPA approved and comply with BS1722 part 9 and BSEN1176-1 which are anti-trap meaning the gaps between the bars do not exceed 86mm.


Ensure you tell us the height and number of metres required. Upload images of the areas and/or site plans, even a hand drawn layout sketch will do.