Case Study - O'Hara TV & Film

We designed, manufactured and delivered 172 Posi-Joists and 23 glulam beams, all of varying sizes, to London to become a film studio. The largest Posi-Joist was over 7 metres long and weighed approx 60kg, while the largest glulam beam weighed around half a tonne. From the initial quote being sent to the delivery being made, the joists were on site in 10 working days, and the beams shortly after. The delivery was made on one of our smaller 10T vehicles due to space.

posi-joists being delivered to a tv studio in london
posi-joists being moved by a forklift
  • Often No need for cranes 🪽

    Posi-Joists and Posi-Rafters are lightweight and easy to handle, often negating the need for a crane or other expensive hire equipment—ideal around tight London streets.

  • Easy to transport 🚚

    Posi-Joists and Posi-Rafters are easier to deliver to London than other methods and will fit on smaller vehicles; even in the back of a van if the span isn't too huge.

  • Versatile 💪

    Whether you need a floor, flat roof or sloped roof, Posi-Joists and Posi-Rafters can be designed and made for virtually all floor and roof applications.

  • Ideal for renovations 🏡

    If you're taking on a renovation of a property, these metal web joists work perfectly as a replacement floor thanks to their long spanning capabilities and easy routing of services.

  • Quick to install 💨

    Posi-Joists and Posi-Rafters are quick to install and even quicker to route services through—ideal both for those in the trade and for those paying someone who is!

  • More site space 🔨

    Rather than having to store vast amounts of timber on site, Posi-Joists/rafters can be delivered just in time for installation.

How far will Posi-Joists span?

Select your joist type, type a span and our calculator will tell you how far you can clear span.



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Model of a trussed roof with a Tailor Made Designs quote to the side.

Frequently Asked Questions

How much do Posi-Joists cost?

Each job is bespoke, so the price varies quite a bit. For en easy way to price your job, you can build a quote online (and order!) or request a quote here.

What are the benefits of Posi-Joists over traditional joists?

Posi-Joists (or metal web joists, engineered joists, etc) are lighter, can span further, and crucially, can have services routed through them without need for modification, greatly speeding up installation times.

What are Posi-Joists suitable for?

These engineered joists can be used for floors, flat roofs, pitched roofs and more.

What's the lead time for Posi-Joists to be delivered to London?

We regularly deliver Posi-Joists to London in as little as 5 working days. We rarely exceed 10 working days.

How are Posi-Joists delivered?

We deliver Posi-Joists via our own fleet of vehicles, including 10T, 18T, 26T and articulated lorries.