What If Water Gets Behind Vinyl Siding

When siding is put back behind the gutter the lowest piece of flashing running down the pitch of the roof above must be fashioned to divert water into the gutter not behind the siding.

What if water gets behind vinyl siding.

Vinyl is a potentially leaky material and water trapped behind siding leads to decay and mold. J channel is a poor design if not flashed well it allows water to get in behind siding. Although vinyl is impervious to water when installed as directed by the manufacturer vinyl siding as a whole is not completely watertight. The flashing keeps water off the sheathing and drains water properly which prevents water damage.

Siding leak diagnosis and repair. How to prevent water from flowing under vinyl siding. Remember one of the main hardie siding problems is water damage however it s also one of the easiest to prevent with proper installation. Vinyl siding is one of the best water resistant siding options you can get.

J channel is a poor design if not flashed well it allows water to get in behind siding. Inspect the area above the leak including both indoors and out. Water which makes it s way behind the hardie siding should hit the flashing layer. For homes with vinyl siding many homeowners are under the false assumption that vinyl is waterproof.

This article describes the causes of all types of leaks in building siding and wall coverings. If an installer uses a material such as incorrectly this only exacerbates the problem. This material is resistant to rain snow and ice which makes it a great choice to protect your home with. However it is possible for water to get behind the siding if it s not installed properly.

In this video this old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding. Why is there moisture behind my siding. To further protect the home a waterproof barrier should be installed between the siding and the home. 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.