Donaldson Timber Engineering

Donaldson Timber Engineering Ltd (DTE) is the UK's largest and longest established manufacturer of structural timber components, with nine branches across the UK and over 30 years of experience.

We supply a full range of precision-engineered timber products, including roof trusses, open web joists, and site-ready I-joists. All of our products are made using legal and sustainably-sourced timber, one of the most environmentally-sound standard building materials.