Envelope, Facade & Roofing Calculators
Facade, glazing and roofing performance and quantities.
Civil & Structural Live Tool
Envelope, Facade & Roofing Calculator
Geometric facade takeoff from the building perimeter and storey count: glazed area, opaque panels, parapet and roof membrane — not a share of sellable area.
Facade = Perimeter × Storeys; Glazed = Facade × Glazing %; Opaque = Facade × Panel %; Roof = Footprint × Coverage %