A Bitumen Parapet ‘Tell-Tale’ Overflow with a 1,200 mm long stainless steel spigot. Comes with a flexible SBS bitumen flange.

For use with Bauder bituminous waterproofing membranes. It is used in conjunction with other roof drainage outlets to ensure that there is no water ingress into the building and that the structural load of the roof is not exceeded and provides a visible warning that the roof is holding excessive water.

They are not suitable or intended for connection to internal pipework that is within a wall construction or boxed in and is inaccessible after construction. Visible overflows are recommended as part of BS12056-3 guidelines.