Standards Library
Engineering codes, standards, and references used in RooFit calculations
BS EN 1990
Basis of Structural Design
Establishes principles and requirements for safety, serviceability and durability of structures. Defines partial safety factors and load combinations used throughout structural design.
BS EN 1991-1-1
Actions on Structures - Densities, Self-weight and Imposed Loads
Specifies densities of construction materials, self-weights, and imposed loads for buildings. Category H covers roofs accessible for maintenance only.
BS EN 1991-1-3
Actions on Structures - Snow Loads
Determines snow loads on roofs based on ground snow load, roof geometry, exposure, and thermal properties. Includes shape coefficients for various roof types.
BS EN 1991-1-4
Actions on Structures - Wind Actions
Provides methodology for determining wind loads on structures including pressure coefficients, terrain roughness, and dynamic effects. Critical for solar PV uplift calculations.
BS EN 1995-1-1
Design of Timber Structures - General Rules
Design rules for timber structures including strength classes, member sizing, deflection limits, and connection design. Applies to timber rafters and joists.
BS EN 1993-1-1
Design of Steel Structures - General Rules
Design principles for steel structures covering yield strength, buckling, connections, and fabrication. Used for steel purlins and flat roof beams.
About This Library
This library documents the engineering standards and building codes that form the basis of RooFit's structural calculations. All calculations are performed in accordance with current UK and European standards. For unusual structures or borderline cases, consultation with a qualified structural engineer is recommended.
Standards are regularly updated. RooFit uses the latest versions available at the time of assessment. Always verify that local building control accepts the applied standards for your specific project.