POSI-JOIST – a smart choice for modern construction

Factory-manufactured joists that combine economy, precision, and design flexibility. POSI-JOIST merges the lightness of timber with the rigidity of steel, creating a highly stable yet lightweight structure. This combination provides excellent load-bearing capacity and a unique opportunity to simplify construction and significantly reduce costs across various building types — from private homes to public buildings.

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Key advantages for designers and builders:

Long spans without additional supports
POSI-JOIST allows for significantly larger spans than traditional wooden joists, enabling open-plan interiors without columns or load-bearing walls. This simplifies layout changes and future renovations.

Easy installation of building services
The open-web steel structure between timber chords allows simple installation of wiring, ductwork, and pipes — no drilling, no additional fixings, and no compromise to structural integrity. This saves time and minimizes errors, especially in later construction phases.

Lightweight and easy to install
Lighter than traditional timber beams and easy to handle on compact construction sites. Less heavy equipment, fewer workers, and faster build times.

Fire resistance compliant with standards
POSI-JOIST floor structures can provide up to 30 minutes of fire resistance when properly finished. This meets the fire safety requirements of most residential buildings.

Excellent sound insulation
Acoustic tests, including vibration and impact noise simulations, confirm POSI-JOIST’s ability to reduce sound transmission, even without special additional layers — ideal for multi-storey homes and multifunctional buildings.

Customisable heights for different spans
Available in various heights and configurations to suit specific loads, spans, and installation requirements. Engineered using specialised software for high precision before production.

Why choose POSI?

  • Up to 30–40% savings in installation and service routing time

  • Fewer on-site errors = less stress and lower costs

  • Freedom for architects, efficiency for builders

    POSI-JOIST – a floor and deck system that works with you.

Would you like a customized solution for your project or a preliminary cost estimate? 
Contact our sales team to receive an accurate joist specification tailored to your needs.