What To Check After Roofers Installed New Roof? After roofers install a new roof, check for proper installation and any possible issues. Make sure all shingles or tiles are securely in place with no gaps or loose pieces. Check for proper flashing around chimneys, vents, and skylights to prevent leaks. Look at the gutters to ensure they are attached correctly and not clogged with debris. Visit: https://managemyroof.com/blog/....what-to-check-after-