Biggest online structural drawings library, revit families and excel templates source. structuraldetails is an online library on structural engineering details on reinforced concrete, steel frame and timber frame design together with a comprehensive Fully Parametric Revit Families Library. Library includes Excel Template Tools to help individuals and business owners to boost their productivity, for personal and businees use. All details are in digital format prepared using CAD software with a purpose to help engineers with their everyday tasks. Increase efficiency with all project designs and save valuable time by using ready made designs.