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What does the standard EN 1366-1 say?

The new article "What does the standard EN 1366-1 say?" showcases the main differences between how the tests on different type of ducts were carried out and the direct field of application of the risults.

The standard EN 1366-1 specifies a test method for the determination of the fire resistance of vertical and horizontal ventilation ducts under certain standard conditions. The tests defined in this european standard examine the behaviour of the ducts in case of their exposure to fire from outside and inside.