Tag Archives: Visqueen Top Hat unit

How to seal a Radon membrane when a drainage pipe intersects the membrane

Visqueen Radon Membrane is manufactured from an enhanced blend of polymer films that is suitable for use in the protection of buildings from the ingress of radon gas. In this video, we demonstrate how to seal a Radon membrane when a drainage pipe intersects the membrane.

The tools of the trade required for this are a sharp knife or pair of scissors, a roller with a neoprene wheel and a screw driver. To complete the job, you will need Visqueen Radon Membrane, Visqueen Gas Resistance Lap Tape, a Visqueen Top Hat unit and a jubilee clip.

Firstly, unroll the Radon membrane across the blinded surface. When you reach the drainage pipe, you will need to cut the membrane to fit the pipe. Continue reading