Beam Calculators - Steel Beams Supporting a Modern (1960's Onwards) Cavity Wall and Trussed Roof

Only
£49

Steel beams supporting a cavity wall and a trussed roof. Trussed rafter roofs are typically seen in houses constructed from the 1960's onwards. Roof trusses are prefabricated in a factory and are commonly referred to as 'W' trusses, due to their appearance.