Leaking around a skylight with asphalt shingles is a common issue that usually stems from improper installation or aging materials. Skylights require careful flashing, which is the metal or rubber barrier installed to keep water out where the skylight meets the roof. When flashing is damaged, missing, or installed incorrectly, water can seep in during rain, leading to leaks inside the home. Over time, asphalt shingles around the skylight may crack, curl, or lose granules, which reduces their ability to shed water effectively. Another typical cause is debris buildup around the skylight, causing water to pool and find a weak spot in the roofing system. To check for leaks safely, homeowners can inspect the shingles and flashing while on the ground with binoculars or from a ladder if comfortable. Look for damaged shingles, rusting or loose flashing, and worn seals around the skylight frame. Inside the attic, water stains or mold near the skylight can confirm leak points.
If a leak is suspected but not easily diagnosed, it’s best to call a professional roofer experienced with skylights. Ask potential contractors specific questions like, “How do you inspect and repair skylight flashing without compromising my roof’s warranty?” and “What materials and methods do you use to ensure long-term watertight seals around skylights?” A reliable roofer will perform a thorough inspection, possibly including a water test, and recommend repairs or replacement options tailored to your roof’s type and age. Ignoring leaks can lead to significant water damage, so timely expert help is crucial. Keep documentation of all repairs, as many asphalt shingle warranties require proper installation and maintenance to stay valid.