MiTek Posi-Joists are an engineered open-web flooring and roofing system that combines the lightness of timber with the structural strength of steel webs . They are designed to allow for greater spans than traditional timber while simplifying the installation of services like plumbing and electrical wiring. Donaldson Timber Engineering +2 Key Features & Benefits 10 sites Flooring Joist Prices: Posi Joists Vs I-Joists A common discussion among the house building industry is around the differences between I-joist and metal web joists. In this arti... Donaldson Timber Engineering Benefits of the MiTek Posi-Joist System - LinkedIn Dec 3, 2020 —
MiTek Posi-Joists combine the lightness of timber with the strength of steel to solve the age-old builder problem: "How do I span this distance without the floor bouncing or the joist twisting?"
: The generous space is ideal for modern Mechanical Ventilation and Heat Recovery (MVHR) systems, which use large ducting that is often difficult to accommodate with other joist types. 2. Superior Span Capabilities
| Target Audience | Pain Point | The Posi-Joist Solution | | :--- | :--- | :--- | | | Restricted by span limits; struggle to hide ductwork/pipes. | Freedom to design large open spaces; easy accommodation of HVAC systems. | | Builders/Joiners | Drilling through joists takes time and risks structural failure (notching rules). | Zero drilling required. Services run straight through. Faster build times. | | Homeowners | Squeaky floors, bouncy floors, cold drafts. | Solid, rigid feel; allows for high-level insulation; quiet structure. | | M&E Contractors | Navigating pipe runs around solid joists is a nightmare. | The "Highway" for services—install pipes and cables in straight lines. |
MiTek Posi-Joists are suitable for a wide range of construction applications, including:
