OBO Bettermann
26 | EN
Direct mounting on the ceiling, wall or floor
Fig 24:
Pierce the fire protection coating at the drill holes (example BSKM 0407)
5 3 1
Mounting the fire protection duct on the floor
• Apply the drill holes to the substrate.
• Drill the holes. For the fire protection bolt ties MMS-plus 7.5x50, en-
sure a drilling depth of at least 65 mm, Ø 6 mm (see Fig. 11 on page
17).
• Clean the drill holes carefully, e.g. through suction or blowing-out.
• Fasten the duct to the substrate.
• Insert cables.
• Push the duct lid on firmly.
• Attach the connector (see “5.4 Connecting joints” on page 28) or
fitting (see “5.6 Mounting fittings” on page 31) and mark the drill
holes.
• Remove the connector or fitting and drill the holes.
• Attach the connector or fitting again and screw it on so that the joints
of the ducts are sealed evenly and securely.
• Create the equipotential bonding (see “8.1 Create equipotential bond-
ing” on page 72).
