304mm Deep Posi-Joists

Floor Depth of 304mm

PS12 Metal Webs give a 304mm deep joist with a max. Clear span of 6600mm (6.6m)

This joist profile also gives you a clear service void of 210mm between the timber flanges.

As there are so many design solutions and ways to meet your span, the actual span can only be calculated by our experienced designers who will take into account many factors such as your floor loads, design space of joists, depth of your floor zone and services.

This can only work as a guide to the spans and are based on the the following key assumptions. Using standard domestic floor loads, Deflection limited to 14mm, Partitions accounted for at 0.35KN / m2. Maximum clear span limited to 6600mm (6.6m)

600mm Centre to Centre Spacing

304mm x 72mm | Max Clear Span 5100mm (5.1m)
304mm x 97mm | Max Clear Span 5400mm (5.4m)
304mm x 122mm | Max Clear Span 5600mm (5.6m)
304mm x 147mm | Max Clear Span 5800mm (5.8m)

400mm Centre to Centre Spacing

304mm x 72mm | Max Clear Span 5700mm (5.7m)
304mm x 97mm | Max Clear Span 6100mm (6.1m)
304mm x 122mm | Max Clear Span 6400mm (6.4m)
304mm x 147mm | Max Clear Span 6600mm (6.6m)

POSI-JOIST SPAN

Do you want to check another depth?

Ready To Find Out More, Contact Our Design Team For A Free Quote And Interactive 3D Design

Hampshire Engineered Timber Solutions are a MiTek Posi-Joist manufacturer and benefit from the very latest industry leading design and layout software to create project specific designs.

Detailed output drawings can be provided for approval and manufacture, but it is the 3D viewer tools that really separates Posi-Joist from the rest.

Designs are shared via a free cloud based 3D viewing platform, allowing for a fully interactive 3D model of the floor or roof to be viewed on any internet enabled device. No apps are required, you will be sent a link to your model and simply click it to view in your browser..