Although vinyl does a great job of keeping water out it does not offer a complete waterproof design.
What if water gets behind vinyl siding.
This material is resistant to rain snow and ice which makes it a great choice to protect your home with.
The flashing keeps water off the sheathing and drains water properly which prevents water damage.
J channel is a poor design if not flashed well it allows water to get in behind siding.
Water which makes it s way behind the hardie siding should hit the flashing layer.
This article describes the causes of all types of leaks in building siding and wall coverings.
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.
How to prevent water from flowing under vinyl siding.
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.
If an installer uses a material such as incorrectly this only exacerbates the problem.
Check to be sure weep holes are open along bottom of window openings.
However it is possible for water to get behind the siding if it s not installed properly.
Why is there moisture behind my siding.
In this video this old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding.
Inspect the area above the leak including both indoors and out.
Vinyl siding is designed as an exterior cladding only and is supposed to be installed over other materials such as a weather resistant barrier.
To further protect the home a waterproof barrier should be installed between the siding and the home.
For homes with vinyl siding many homeowners are under the false assumption that vinyl is waterproof.
Siding leak diagnosis and repair.
J channel is a poor design if not flashed well it allows water to get in behind siding.
Vinyl is a potentially leaky material and water trapped behind siding leads to decay and mold.