Donaldson Timber Engineering

Donaldson Timber Engineering has been at the forefront of structural timber component manufacturing for over three decades. As the UK's largest and most established producer, we combine national distribution with local expertise through our network of nine regional branches. Our comprehensive range of precision-engineered products includes roof trusses, open web joists, I-joists, and spandrel panels, all crafted from legally sourced, sustainable timber. With ISO9001 certification and CCPI assessment, we maintain rigorous quality standards while pioneering innovative manufacturing methods. Our dedicated team supports customers throughout every project phase, from initial design consultation to final delivery. Through continuous industry leadership, including chairmanship of the Trussed Rafter Association, we contribute to sector-wide safety improvements.

Our commitment to environmental stewardship ensures all products align with modern sustainable construction principles while maintaining structural integrity. With over 150 years of family heritage in timber engineering, we deliver technical expertise that combines tradition with innovation. Our nationwide distribution network ensures timely delivery through articulated or rigid lorries, supported by comprehensive technical documentation accompanying every order. This client-centric approach, combined with our technical proficiency, positions us as the trusted partner for both small-scale self-builders and large commercial developers seeking engineered timber solutions.