Achieving airtightness in a timber structure design is vital for energy efficiency, thermal comfort, and to protect a timber structure from dampness and mould.

Design for airtightness stops the uncontrolled movement of air in and out of a structure by closing gaps through which cold air enters and warm air escapes. This differs from planned air movement, such as exhausting stale air and ventilating fresh air.

I'm interested in:

• Airtightness