The answer to 'my leak repair is failing' is that there are several common causes, including improper installation, poor-quality materials, damage from weather or debris, or the original leak not being fully addressed. Symptoms may include continued water intrusion, staining, or mold growth. Solutions can range from re-sealing or replacing the faulty repair to a more extensive roof restoration.
If your leak repair is not holding up, it's best to have a professional roofing technician inspect the area. They can diagnose the root cause and recommend the appropriate repair or replacement. While some minor patching may be possible as a temporary DIY fix, more complex or recurring issues should be handled by an experienced roofer to ensure a long-lasting solution.