Can Water Get Under Vinyl Siding

Vinyl siding itself is waterproof and directs most water flow away from the exterior but even a small gap can allow water through.

Can water get under vinyl siding.

Siding leak diagnosis and repair. Inspect the area above the leak including both indoors and out. However if the flashing is broke or not properly attached water can seep behind the siding allowing mold to grow. Although vinyl is impervious to water when installed as directed by the manufacturer vinyl siding as a whole is not completely watertight.

Allowing mold to continue to grow under your siding can have a number of consequences. This article describes the causes of all types of leaks in building siding and wall coverings. However depending on your climate the siding might actually begin to show its age after only 10 to 15 years. However it is possible for water to get behind the siding if it s not installed properly.

Vinyl siding can result in other maintenance issues. J channel is a poor design if not flashed well it allows water to get in behind siding. The roof and foundation doors windows and any other breaks in siding create opportunities for moisture to seep in. First it can have a major impact on your home s structure and integrity.

Vinyl siding especially dark siding begins to fade in sunny climates. J channel is a poor design if not flashed well it allows water to get in behind siding. Check to be sure weep holes are open along bottom of window openings. For homes with vinyl siding many homeowners are under the false assumption that vinyl is waterproof.

How to prevent water from flowing under vinyl siding. To further protect the home a waterproof barrier should be installed between the siding and the home. In this video this old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding. Other types of siding may also telegraph water problems in a wall be it staining rot efflorescence softness or swelling.

Vinyl is the rare siding product that remains completely unaffected by. Manufacturers often advertise that high quality siding lasts about 20 to 30 years. Although vinyl does a great job of keeping water out it does not offer a complete waterproof design. Using detailed examples and photos of leaky building siding siding stains ice or other leak clues for vinyl siding we illustrate the installation mistakes or subsequent siding damage that can cause troublesome even dangerous leaks into a building wall or wall.