Metal counter flashings protect the top of bituminous base flashings from water entry. The most common metal counter flashing problems are:
- Counter flashings located too high above the base flashing. - Metal deterioration caused by a lack or loss of protective coating. - Cracks and open joints between metal pieces. - The separation of counter flashings from vertical surfaces. - Reglets not being sealed. - Counter flashings not tightly fit to base flashings.