Avalon’s Insured Experts Stop Under-Deck Moisture Before It Starts

Most roof problems don’t announce themselves with a dramatic leak. They start quietly, under the deck, where a little trapped moisture swells a sheet of OSB, loosens a nail line, or feeds a thin film of mold. Six months later the shingles telegraph a ripple, the soffits stain at the corners, and heat bills creep up because insulation lost its loft. I’ve torn up decks that looked untouched from