läpivientiholkin

A läpivientiholkki, often translated as a pass-through sleeve or conduit sleeve, is a component used in construction and electrical installations. Its primary function is to provide a protected and sealed passage for cables, pipes, or other conduits through a wall, floor, ceiling, or other building structure. The sleeve acts as a barrier, preventing direct contact between the passing element and the surrounding material.

These sleeves are typically made from durable materials such as plastic, metal, or rubber, chosen for their resistance to moisture, chemicals, and mechanical stress. They are designed to maintain the integrity of the building's structure, particularly in areas requiring fire or water resistance. For instance, a läpivientiholkki used in a fire-rated wall will be designed to prevent the passage of flames and smoke, thus helping to contain a fire.

Installation usually involves embedding the sleeve within the structure during its construction or by cutting an opening to insert it later. Proper sealing around the sleeve is crucial to achieve its intended protective function. Depending on the application, the sleeve might be rigid or flexible, and may include features like flanges or gaskets to ensure a tight fit and prevent leakage. The specific type of läpivientiholkki used depends on factors such as the size and type of conduit, the building material, and the required performance standards, such as fire resistance or waterproofing.