The answer to 'roof installation damage' is that common causes include improper installation, use of substandard materials, and damage during the installation process. Symptoms may include leaks, cracks, missing shingles, and uneven or sagging roofing. Solutions depend on the extent of the damage, but may involve repairing or replacing damaged areas, correcting installation issues, and ensuring proper ventilation and drainage.
In general, minor roof repairs can often be handled as a DIY project, but more extensive damage or complex issues should be addressed by a professional roofing contractor. Attempting complex roof repairs without the proper skills and equipment can lead to further damage and safety hazards.