How Does Roof Leak Detection Work on Asphalt Shingle Roofs
Roof leak detection on asphalt shingle roofs starts by tracing water backward from the interior stain to the roof area above it. Roofers then inspect shingles, flashing, valleys, vents, and nail lines for breaks or trapped moisture. They confirm the source with visual checks, moisture tools, and controlled water testing, because the drip point inside…
