How to Install a heat weldable drain outlet

Install the self adhesive membrane as per our instructions. Locate the outlet hole and cut the membrane ready to accept the outlet spigot

Star cut to create a hole and fold the flaps down in to the down pipe.

Score the outlet release paper once before installing as this will make it possible to remove in the following steps.

Insert the Drain Outlet

Remove Release Film from Outlet Flange.

Heat weld the Inside of the Flange.

Heat weld the perimeter of the flange using the heat gun and seam roller.