The answer to 'asphalt shingles sagging' is that the most common causes are inadequate attic ventilation, poor roof framing, or excessive weight from water or debris. Symptoms include visible sagging or dipping in the roof, and this can lead to leaks and further damage if not addressed. The solution typically involves improving attic ventilation, reinforcing the roof framing, or replacing the affected shingles. While some minor repairs may be DIY-friendly, it's generally best to have a professional roofing contractor inspect the issue and provide the appropriate solution, especially for more extensive problems.
Sagging asphalt shingles can be a sign of a more serious structural issue, so it's important to address it promptly to prevent further damage to your home.