Is smoke extract in multi-compartments always insulated? Can you use thermal insulation? And does it need to be insulated on the roof? Your top questions about smoke extract answered here ?
Do I need to insulate inside the kitchen? Can you put a fire damper inside the kitchen? What is the standard? Your top questions about kitchen extract answered here ?
Why can’t I just use insulation? What about ducts bigger than 1250mm? Why is my ductwork only E60? Your top questions about ductwork answered here ?
Lindab Thor Duct ® has been tested to the latest EN standards and as required by law, provides CE marking on products where a harmonised standard exists.
Whilst Lindab Thor Duct ® makes every effort to reflect the industry wide understanding of fire resisting duct standards, we do not suggest replacing a thorough research of CEN documents with our Blog posts. We make every effort to be accurate and true, and, as the passive fire protection industry experience and knowledge grows, we may update our guidance to reflect this. The design, selection, and supervision of fire strategies must always be managed by qualified Fire Engineers.
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