Posi Joists in flooring applications

The engineered timber division at Mon Timber has the ability and know-how to design and build your Posi Joist flooring system, whether it is a small residential renovation or a large commercial new build. Our specialist team has more than 70 years of combined experience in the field and uses the MiTek software suite to transform the architectural vision into a value-engineered reality. By utilising market-leading 3D modelling software, our engineering team can accurately design and estimate your bespoke flooring solution.

Posi Joists, also known as metal web joists or open web joists, are an innovative structural solution widely used in modern construction. They offer a versatile alternative to traditional solid timber or engineered wood joists, combining the benefits of both timber and steel in their construction. Posi Joists consist of a metal web system sandwiched between timber flanges, creating a lightweight, strong and dimensionally stable engineered floor or roof solution.

A customised flooring solution, Posi Joists are used in a wide variety of construction projects, ranging from residential to commercial and industrial buildings.

Key benefits of Posi Joists:

• Combination of timber and steel allows greater distances to be spanned vs traditional solutions.
• The span capabilities mean that Posi-Joist can often allow for increased joist centres vs alternative systems, reducing material content.
• Freedom across a wide range of applications for both floors and roofs in domestic, industrial and commercial buildings.
• Design flexibility; the depth, length and width can all be adjusted to produce an enormous number of different specifications, each with clearly defined performance criteria.  
• End details of the Posi-Joist can be altered to give a variety of support conditions. 
• Posi-Joists can incorporate a Trimmable End, incorporating a solid timber block which can be engineered to give up to 130mm allowance at each end for trimming on site. 
• Open-web system allows easy access for the installation and maintenance of services in the floor zone e.g. MVHR (Mechanical Ventilation and Heat Recovery) systems. 
• Joists are manufactured in a controlled offsite environment ensuring a quality, precision engineered product; delivered ‘made to measure’ for speedy installation.
• Exceptional floor performance from a wide fixing surface makes flooring easy, controls shrinkage and with precision engineering, reduces costly and time-consuming return visits and remedial work. 
• Posi-Joists often eliminates the need for load-bearing intermediate walls, which can dramatically cut overall building costs.
• The installation of services and utilities is far simpler and quicker with Posi-Joists, reducing both labour costs and build-up time on site. 

Your Posi Joist specification & design

There are a few simple steps we take, in order to design the joist kit for your building project.

1. Send us your building drawings.
2. Using MiTek specialist modelling software, our technical team designs your joist layout and sends it to you together with a cost estimate.
3. Of course we are happy to work with you to discuss any revisions to fine-tune the design if needed.
4. Once the design is agreed and approved, your joist kit will shift into production and we can provide a delivery estimate.
5. Your kit will be delivered direct-to-site on an agreed date.

Please note that mechanical offloading must be arranged by the site. Give us a call to discuss your Posi Joist requirements on 01633 414 414.

We also design and manufacture roof trusses and I-Beam joists, so you can buy both your roofing and flooring packages from Mon Timber.