Integrity (E): Integrity failure shall be considered to own happened if any of the subsequent are observed: Integrity failure takes place to the unexposed side as described in EN 1363-1 application of the inert gas such as carbon dioxide, smothering the flame by displacing the readily available oxidizer;[63] Documentation of https://grease-tight-extract-duct03455.blogocial.com/top-fire-resisting-ductwork-insulation-secrets-72592923