Flashing seams must be overlapped correctly and an adequate amount of sealant placed in between the overlap area to ensure proper waterproofing at the ell flashing transition area. The correct way to repair this area is to replace the flashing with new. That is the only way to ensure the flashing detail area will not leak.
Flashing Seams Separating
Straight Line Construction2018-10-29T14:21:44-07:00