It is actually for that reason incredibly essential that, the place compartmentation boundaries are penetrated by services, the fire separation conditions for the penetrated components are maintained and, in particular, that ducting mustn't turn into a conduit along which fires or hot smoke may perhaps distribute to other spots. In https://fire-resisting-ductwork-i56677.buyoutblog.com/36900396/grease-tight-extract-ductwork-no-further-a-mystery