While a water resistant house wrap is typically installed under the siding it is punctured by nails during the installation process contributing to leaks.
Water unter 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.
Vinyl siding is a durable versatile and resilient building material but it does require some routine care and cleaning.
It s virtually impossible to completely seal any siding without additional materials.
In terms of siding this means layering sheeting flashing house wrap caulking siding and trim.
However if the mold has caused damage to the siding or underlying components you will want to consider investing in siding replacement to ensure that you have a healthy and safe.
Although vinyl is impervious to water when installed as directed by the manufacturer vinyl siding as a whole is not completely watertight.
Vinyl siding must be able to move independently of the wall surface.
Vinyl is the rare siding product that remains completely unaffected by.
Other types of siding may also telegraph water problems in a wall be it staining rot efflorescence softness or swelling.
In reality although the vinyl material itself is waterproof the numerous seams and gaps that occur during installation aren t.
Vinyl siding itself is waterproof and directs most water flow away from the exterior but even a small gap can allow water through.
Siding leak diagnosis and repair.
This article describes the causes of all types of leaks in building siding and wall coverings.
J channel is a poor design if not flashed well it allows water to get in behind siding.
Mold found under siding typically requires siding repair or replacement.
If the mold problem is very limited siding repair may be enough to prevent further damage.
Water also enters the wall cavity through gaps at the edge of siding if it is not caulked.
Some contractors that favor vinyl may go so far as to say it s borderline waterproof.
Another benefit of quality vinyl siding is that it is highly water resistant when correctly installed.