A Posi-joist consists of parallel timber flanges (top and bottom chords) interconnected by a triangular system of galvanized steel webs. This unique "V" shaped lacing allows the joist to function as a shallow parallel-chord truss. Key Components:
In a solid joist floor, running pipes or wires means drilling holes—often in the wrong place, weakening the structure, or forcing you to build bulky dropped ceilings to hide the mess. With Posi-Joists, the services simply run through the open web. No drilling. No notching. No compromise. The void between the flanges becomes a pre-planned superhighway for your home’s nervous system: wiring, water lines, heating ducts, and even speaker cables all weave through the steel lattice without touching the timber. posi-joists
A Posi-Joist isn’t just a piece of the frame—it’s a piece of intelligence. It accepts that modern homes are not just places to walk, but complex ecosystems of heat, power, and water. By lifting the floor slightly and adding a web of steel, it turns the forgotten space beneath your feet into a thing of elegant, functional beauty. A Posi-joist consists of parallel timber flanges (top