Your roof does more than keep rain off your head; it guards your entire home. Yet most homeowners never give a second thought to the attic above it. That dusty, barely-visited space can quietly sabotage the strongest roof if it suffers from poor ventilation.
When heat gets trapped in summer or moisture accumulates in winter, your roof structure can weaken, shingles can warp, and the sag you notice might just be the tip of a very expensive iceberg.
