Heavy Steel Beam Installation in Hertfordshire Another one of today’s jobs, Pelham builders in Waterford, Hertfordshire hired us to help install 5 beams – the heaviest one weighed 900kg. Please contact us for help with your project! Tags: builders, buildinguk, hertfordshire, housebuilder, steelbeams, steelfabrication, steelstructure, structuralengineer, structuralengineering, structuralsteel, welding