Back channel flashing 3.6m
This is optionally used at the top of the sheets together with the back flashing foam (in picture but sold seperately). This coloursteel flashing is avilable in Titania or Grey Friars Colours
Back channel metal flashing and Back channel foam can be used to prevent leaking at walls and fascias. These are recommended if installing a roof that butts up against a wall. Both products sold separately
