Techspan Steel Buildings. is a leading manufacture of residential garages, barns, farm sheds and industrial commercial buildings up to 35m in span. Techspan Steel branded products are sold through a nationwide Distributor network covering the UK. At your request, We can quote buildings in minutes with our Computer Aided Design software program. All buildings are fully engineered to accommodate wind speed, snow loads and other factors dependant on the building location and local planning requirements.We offer a wide range of galvanised steel portal frame buildings using high grade 390-450 tensile steel for strength, low maintenance and long life. All British components are used in our buildings and are of the highest quality and we provide a 25-year warranty. Vertical cladding is standard. Request a quote online and we will get back with a quote and arrange a site visit if required.