It also allows summer heat to build up, speeding up the deterioration of your shingles. ![]() Without enough airflow in the attic, moisture builds up on the underside of the roof, making it easier for water to permeate the roof’s surface. Poor ventilation in the attic exacerbates water problems. If water runoff isn’t safely directed away via the gutters, it can pool on the roof and eventually seep in. Damage to any part of the roof’s surface gives water a way to get in and weaken the underlying structure.Ī damaged or poorly designed gutter system can also lead to water issues. Metal flashing should be installed on the valleys and junctions of your roof to direct water away. Shingles and other roofing material must be in good condition to allow water to run off. Rain and snow can quickly damage a roof that isn’t optimally designed and well maintained. To preserve your roof, it’s worth hiring a professional to determine the exact cause of the sagging and take steps to correct it. ![]() Often, a saggy roof can be repaired and reinforced. While a little sagging doesn’t necessarily mean your roof is in imminent danger of collapse, it does mean you need to act soon to save the structure. Spotting a sagging area in your roof is always worrying.
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