New metal web joist guidance published for housebuilders

A new technical guide on metal web joists is being issued to housebuilders in the UK to showcase the flexibility and benefits of the product.

Metal web joists are made from strength graded softwood chords joined with high strength engineered steel webs. They are structural components which can create floors, roofs and walls. Their open structure makes them lighter to handle and allows for services to pass through easily. Joists can be assembled onsite or a fully assembled floor or roof cassette can be manufactured offsite, helping to support the industry’s move towards modern methods of construction (MMC).

Published by the Trussed Rafter Association (TRA), the Metal Web Joist Buyers’ Guide provides information, illustrations, guidance and handy checklists covering all aspects of floor design and loading, and fixings between the joists and beams within the floor zone.

Nick Boulton, TRA chief executive, said:

“We have developed the Metal Web Joist Buyers’ Guide to help housebuilders and designers understand all the benefits and flexibility of this product. With increasing interest in MMC, metal web joists are ideal components to help speed up and improve the build process. Floor and roof cassettes also decrease the amount of time spent working at height therefore improving safety. 

“The guide offers information on design responsibilities, structural considerations, and the metal work required. There is also information for contractors to explain how to store and install once onsite and of course advice on staying safe when working with metal web joists.”

For further information or to download a free copy of the guide please visit the TRA website.

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