Facade means the exteriors of a building, especially the front most important design feature in modern architectural. Carries no roof or floor loads Fasten to the structural frame (primary structure) and acts solely as an enclosing envelope. Usually consists of metals in combination with glass, plastics and other surfacing materials, supported on metal unit frameworks. Custom design specifically for one major project, using parts and details made especially for this purpose.
Weather tightness
Structural behavior
Interaction with the primary structure
Thermal gains and losses through the façade
Occupant comfort and energy efficiency
Shading
Condensation
Ventilation
Durability
Sustainability
Natural light admittance
Fire behavior of the building envelope
Acoustic performance
Safety and serviceability
Security
Maintenance and reliability