Where ventilation systems pass through a fire barrier...
Where ventilation systems pass through a fire barrier insulation and leakage.
Behind ventilation grills
In ceiling voids.
About Richard Norman
Richard is a life critical fire safety services specialist. He is always keen to hear from colleagues in the industry and share knowledge on compliance matters relating to fire compartmentation, fire stopping, fire and smoke damper testing, passive fire protection and grease extract ductwork cleaning.