What to Know About Roof Flashing and Weather Sealing

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Roof flashing is that thin metal or rubber piece where your roof meets walls, chimneys, or vents, and it's crucial for keeping water out. Weather sealing around these joints often fails first, leading to leaks that cause rot and mold. Proper installation involves layering flashing under shingles and over the membrane, with sealed seams and no gaps, especially in valleys where water concentrates. Regular inspection, especially after storms, catches loose or cracked flashing before small drips be…