90° wall and ceiling transitions. For continuous empty conduits in prefabricated house and modular construction. For air-tight connecting of electrical installation conduits at transition points.

Installation in open wall elements Machine creation of the exact installation opening of Ø 38 mm. Fixing of the wall connection element through the peripheral sealing ribs in the wall boarding. Attach the 90° bend to the electrical installation conduit and ... ... snap into the wall connection element already installed. After attaching the wall connection element, the 90° wall and ceiling transition is guided back into the wall element through the installation opening ... ... and firmly clamped in the wall boarding. 90° wall and ceiling transitions ··2-piece design with secure catch mechanism...