KabelDachdurchführungen

KabelDachdurchführung, or Kabel-Dachdurchführung, is a roof penetration assembly designed to pass electrical or communications cables through a pitched roof while preserving weatherproofing and insulation. It combines a base or collar, a sealing gasket, and a roof flashing or boot, and may include a cable gland or clamp to secure the cables.

Common applications include routing electrical, solar, or antenna cables from the interior to the exterior or from the roof surface into an attic or conduit system. The device is intended to protect cables from mechanical damage, weather, and temperature changes while allowing a controlled, watertight passage.

Construction and materials vary by model. Typical components include a durable base, a gasket or seal, and a rainproof flashing compatible with tile, shingle, metal, or slate roofs. Materials range from plastics such as PVC or polyamide to metals like aluminum or stainless steel. Some products are designed for single cables, others support multiple cables, and they may be adjustable to fit different roof pitches.

Installation considerations emphasize proper sizing to minimize bending of the conductors, compatibility with the roof covering, and correct integration with roofing membranes or underlayment. Installations generally require securing the cables, sealing the penetration with appropriate roofing sealants, and ensuring the flashing remains watertight under wind-driven rain. Professional installation is often advised for complex roof geometries or high-risk penetrations.

Standards and safety notes commonly reference weatherproofing, IP ratings for ingress protection, and compliance with local building codes. Properly installed KabelDachdurchführungen help prevent leaks, condensation, and heat transfer, contributing to the long-term performance of the roof and electrical system.