IfcStair
What is IfcStair?
IfcStair represents a vertical circulation element consisting of flights and landings that connect different floor levels. Stairs can be straight, curved, spiral, or winding, and their geometry includes treads, risers, stringers, and handrails.
Hierarchy
Inherits from: IfcBuildingElement
Common Properties
Properties commonly found on IfcStair elements in IFC models.
Property Sets
Standard IFC property sets associated with IfcStair.
- Pset_StairCommon
- Qto_StairBaseQuantities
Real-World Usage
Stairs must comply with strict building code requirements for riser height, tread depth, handrail height, and width. Construction teams verify stair dimensions against code before concrete is poured, as changes after construction are extremely costly.
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Get started freeRelated Entity Types
IfcRailing
IfcRailing represents a protective barrier along stairs, ramps, balconies, and elevated walkways. Railings serve as safety elements preventing falls and providing support for people using stairs. They include handrails, guardrails, and balustrades.
Building ElementIfcSlab
IfcSlab represents a horizontal construction element that forms the floor, roof, or landing of a building. Slabs can be classified as floor slabs, roof slabs, landing slabs, or base slabs (foundations). They are typically the largest elements by area in a building model.
Spatial ElementIfcBuildingStorey
IfcBuildingStorey represents a single floor level within a building. It defines the vertical organisation of a building and contains all elements located on that storey. The elevation property defines the height of the storey relative to the building reference point.