To determine if a roofing contractor executed a high-quality installation, homeowners should perform a thorough inspection verifying several key indicators. Check that shingles lie completely flat, straight, and properly aligned along all ridges and eaves. Inspect the flashings around chimneys, vents, and valleys to ensure they are sealed neatly without excess exposed caulk. Finally, confirm that gutters are clear of construction debris, magnetic sweeps were used to pick up stray nails, and attic ventilation remains unobstructed.
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