Horizontal ventilation duct system resistant to fire.
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Horizontal ventilation duct system resistant to fire. Formed by a conduit made in four-sided TECBOR-B plate, suspended horizontal and for external fire.
Assembly valid for sections up to 1.250x1.000mm of internal measurements, branches and branches, with overpressure or air depression of 300 Pa.
The joining of plates is done with self-tapping screws.
The conduit fastening is done with M16 metal threaded rods.