Murdock Roof Trusses design and supply Metal Open Web Floor Joists. SpaceJoist offers a comprehensive range of depths from 195mm as a direct competitor to solid timber joists, up to 424mm – ideal for large spanning commercial applications. Combining the best features of an I-joist with an open web construction. SpaceJoist delivers a quality product for maximum job site efficiency and overall cost effectiveness. We use Gangnail Software by ITW Industry to engineer SpaceJoists for maximum economy and design turnaround speed.

Murdock Roof Trusses provide made-to-measure timber joists across Northern Ireland and Ireland. We liaise with our customers to ensure their specification is met; we will also provide advice on installation methods for all our products.

Contact Murdock Roof Trusses for more information on Roof Trusses, Space Joists, or SpaceRafters.

Opening Sizes


SpaceJoists Benefits: