Heavy Rain Roof Leak in Marysville, WA

Roof leaks in Marysville rarely come from one dramatic storm. More often, an atmospheric river parks over the Puget Sound lowlands and rains for several days in a row, and that long soaking finds the one shingle a branch scuffed, the flashing that pulled away from a chimney, or the moss that lifted the bottom row of shingles. Many homes in North Marysville, Pinewood and Sunnyside were built in the 1970s and 1980s and are on second or third roofs, and the older homes around downtown often have chimneys and add-ons with several roof planes meeting. Water usually lands on attic insulation first, which holds it like a sponge and spreads it across the ceiling before a stain ever shows.

In the first hour, water collects on top of the ceiling drywall and runs along rafters and joists toward light fixtures and wall top plates. By 24 hours, wet insulation has packed down, the drywall softens, and seams may start to sag or crack. By 48 hours, the cool, damp attic air means nothing is drying, and mold can begin on the drywall paper, framing and roof sheathing. After a week, ceilings often need full replacement, water has wicked into the walls below, and a musty odor settles into the upstairs rooms.

Many materials can be dried in place after a clean rainwater roof leak when the work starts quickly. Roof sheathing and rafters usually dry well with air movers and dehumidifiers once the tarp is on and the attic is ventilated. Ceiling drywall that is only damp, still flat and firm, and not sagging at the seams can often be dried from below with targeted air flow. Wall framing and drywall below a leak can be dried by drilling small holes near the top or bottom plate and pushing dry air into the cavity. Carpet and pad that caught drips for a short time are usually extracted and dried in place.

Some materials almost always have to come out. Blown-in or batt insulation that is soaked compresses, holds water for days and loses its value, so the wet sections are bagged and removed. Ceiling drywall that sags, cracks or stays soft is cut out because it can fall and will not regain its strength. Drywall that stays wet past 48 hours, or that shows dark spotting, is removed and replaced. When water has run for days, stained ceiling texture, swollen trim and soaked laminate below the leak are usually replaced as well.

Heavy rain roof leaks turn up across Marysville. Older homes around downtown and Jennings Park often have chimneys, dormers and several roof lines that create valleys where water and needles collect. In North Marysville and Pinewood, many 1970s and 1980s homes have aging roofs and attic insulation that holds water against the ceiling. Newer two-story homes on Cedarcrest and Getchell Hill and in Smokey Point have large roofs with long valleys, skylights and many vent penetrations, and a leak there can wet the upstairs before anyone notices.

The same leaks happen in the towns around Marysville. In Arlington, homes near Gleneagle and Kent Prairie see roof leaks in the same long winter rains, and in Stanwood and on Camano Island, wind off the water pushes rain under shingles and around flashing. Older roofs in north Everett are another common source of calls. One call connects you with a local crew that serves your town, can arrange a tarp and starts drying inside the home.