With the practical sub-roof adapter, CREATON flue pipe penetrations are the convenient solution for watertight roof penetrations. The adapter is simply screwed into the penetration and fixed with the sealing ring – without any gluing. The rubber sleeve is connected to the upper sealing ring, thus guaranteeing a reliable watertight connection. Furthermore, the connection system is suitable for all sub-roof membranes and a diameter of up to approx. 200 mm. Also included in the package: a template for even more convenience and certainty during installation.