A diagnostic test that measures the airtightness of a building. A calibrated fan is used to depressurise or pressurise the building, and the resulting airflow is measured to determine the air leakage rate.
Approved Document A
Approved Document A (Part A) provides regulations and guidelines for structural design and safety. It ensures buildings are constructed to high standards of structural integrity and resistance to various forces. Compliance with Approved Document A is essential for professionals involved in building design and construction.