Energy-efficient fenestration

These are the fenestration requirements in accordance with SANS 10400-XA, Energy usage in buildings:

 • Buildings that have a 15 % fenestration area to their nett floor area, on each storey, comply with the minimum energy performance requirements.

• Buildings that have more than a 15 % fenestration area to their nett floor area, on each storey, must comply with the fenestration requirements in accordance with SANS 204.
• All fenestration air infiltration must be in accordance with SANS 613.

Compiled by Daniella Favis for Builders’ Space. Source: SAGGA.

See more information on testing and marking windows.