About Donaldson Timber Engineering Ltd
we are the uk's leading and longest-established manufacturer and supplier of roof trusses, open web joists, i-joists, spandrel panels and gable panels. our regional network of eight ... Read more
we are the uk's leading and longest-established manufacturer and supplier of roof trusses, open web joists, i-joists, spandrel panels and gable panels. our regional network of eight ... Read more