Posi-Joist™

Freedom of variety

Posi-Joist™ also known as Metal web joists, Eco-joists, Easi-Joists and Space Joists combine the light weight of timber with the strength of a steel web.

The Posi‐joist™ allows building designers the freedom to have a variety of internal room layouts without the constraints of solid and other engineered timber

Features & benefits

  • Lightweight but strong
  • Allows greater span distances than solid joists, giving greater design freedom
  • Suitable for both floor and roof usage
  • Open web design ‐ allows easy installation and access to services , especially Mechanical Ventilation & Heat Recovery systems
  • Faster installation and cost savings in time and materials
  • Simple and safe to install
  • Range of depths from 202mm to 421mm
  • Beams are dimensionally stable and cross‐grain shrinkage minimal
  • Easily handled due to light weight
  • Various end fixing details including “trimmable ends” available
  • Wide flanges for fixing flooring and plasterboard.  Min 72mm wide fixing surface make flooring easy, controls shrinkage and reduces return visits and remedial work
  • Economy ‐ patented staggered web produces greater savings against competitors’ products
  • Suitable for use in ground floor applications
  • The industry’s first metal web joist system in the UK to obtain a Robust Detail® for the resistance to the passage of sound
  • Manufactured from PEFC certified timber

Each Posi-Joist™ is individually designed for your project and our experienced designers will be able to answer any questions you have but you may also download a copy of the Posi-Strut Technical Handbook to give you further technical information.

View our Posi-Joist™ information factsheet.

Services installed during installation of metal web joists
Services installed during installation of metal web joists

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