How to Find the Source of a Roof Leak
Trace interior water evidence to likely exterior entry points and understand why the stain may not be directly below the roof defect.
Practical guides covering roof leak detection, storm-related leaks, common roof failure points, and the decision between localized repair and broader roof replacement.
A roof leak can involve shingles, metal seams, membranes, flashing, valleys, vents, pipe boots, skylights, chimneys or storm damage. These guides explain how those components interact and what property owners should look for before deciding on a repair.
Trace interior water evidence to likely exterior entry points and understand why the stain may not be directly below the roof defect.
Safety, damage control, documentation, common storm-related leak points and when urgent inspection is appropriate.
Shingles, flashing, pipe boots, valleys, metal seams, flat roofs, drainage and the weather conditions that expose weak points.
How to decide whether a localized repair may be enough or whether widespread roof deterioration calls for a broader scope.
Asphalt shingles rely on overlapping courses and flashing. Metal roofs depend on seams, fasteners and movement-compatible penetrations. Low-slope commercial roofs rely on continuous membranes, seams, drains, curbs and parapet flashing.
Understanding those differences makes leak diagnosis more precise and helps avoid surface patches that do not address the real entry point.