The answer to 'leak repair curling' is that curling or buckling roof shingles are often a sign of an underlying leak. Common causes include improper installation, age-related deterioration, or damage from weather and elements. Symptoms may include visible curling, cracking, or loosening of shingles, as well as water stains or moisture inside the home.
For minor curling, a DIY solution may be to re-seal or re-nail the affected shingles. However, if the curling is widespread or accompanied by leaks, it's best to call in a professional roofer to properly inspect and repair the roof. They can identify the root cause and make necessary repairs or replacements to prevent further damage and leaks.