Water intrusion is usually a sign of a deeper problem with the construction of your home. If you notice any type of water intrusion, you need to call an expert for closer inspection. The expert you need could be a plumber or a contractor, as there’s no telling where the water intrusion originates. What can be foretold is the serious damage that will usually follow any type of water intrusion. Almost all buildings will experience some kind of water intrusion, in the form of leaks, flooding or other excessive indoor dampness at some point in their life cycle. Stop Water Intrusion: Inspection is to identify the site where water intrudes into the building.
A common water intrusion problem
A common water intrusion problem is moisture on exterior walls. During the heating season, the interior surface of an exterior wall may have a temperature below the dew point, leading to beads of moisture condensing on the surface. Other sources can be ice backup in winter, a blocked rain gutter spilling water, wind driven rain, leaking pipes or waste lines or blocked weep holes leaking around windows or doors. There are many paths this moisture can take to enter the building, such as leaking through openings in walls or through floors, moisture vapor convicted through wall openings, moisture extrusion through wall surfaces and condensate from humid inside air. All leaks bringing free water into the structure must be blocked or corrected. In foundation walls, possible moisture sources include backed up city storm or sewer systems, storm water spillage from gutters that are clogged or broken, storm drains, wind driven rain, storm water grading toward the building, a rising water table or unvented showers or bathrooms.
Possible moisture paths include leaks through wood, window and door framing, leaking through holes or cracks in foundation walls, moisture wicking through mortar joints and masonry materials, moisture carried in heating ductwork under a slab, moisture vapor from showers, clothes dryers or moisture vapor from soils in a crawlspace. Possible paths for water to take when entering through the roof include ice backing up, leaking in along eave edge, wind, driven rain and snow coming in through roof vents, free water leaking in through holes in roof, water leaking in around flashings and exterior vapor entering through roof vent openings.
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