Wooden girder POSI‐JOIST™

metallattice

Posi-Joist™ Are metal web joists which 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 joists. Features and 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 MVHR (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 industrys 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