• Semi-Wrap Pipe Penetration Prefab

    Designed for wrapping pipe penetrations in TPO/PVC waterproofing membranes. Ideal for pipes that are too tall or have elbows, preventing direct membrane sleeving.

  • Tower-Type Prefab

    Designed for pipe penetrations ranging from 23 mm to 228 mm

  • D64 Pipe Penetration Prefab

    This product provides customized waterproofing solutions for complex on-site irregular penetrations, such as retrofitted bases or structural steel column footings.

  • Adjustable-Diameter Pipe Penetration Prefab

    This adjustable-diameter prefab is available in multiple specifications such as D60-D120 and D140-D200. The wall height at its maximum diameter complies with the national standard requiring a 250 mm flashing height, allowing direct application to pipes of corresponding sizes.