Although vinyl is impervious to water when installed as directed by the manufacturer vinyl siding as a whole is not completely watertight.
Moisture behind vinyl siding.
In reality although the vinyl material itself is waterproof the numerous seams and gaps that occur during installation aren t.
This article discusses vinyl building wall siding installation trim flashing nailing details the requirement for a water and air barrier behind siding vinyl siding defect inspection repair and vinyl siding health and environmental questions.
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.
No rain in 7 days but most moisture is at point plywood and foam board meet.
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.
Some contractors that favor vinyl may go so far as to say it s borderline waterproof.
Siding is n t as tight as it should be and there is a lot of moisture behind vinyl.
To further protect the home a waterproof barrier should be installed between the siding and the home.
However in some cases the holes may be noticeable upon close inspection.
We will make every effort to use a caulk that closely matches the color of the surrounding siding.
Water that blows into cracks between siding pieces can be absorbed into structural wood and insulation where it may stay and grow mold or rot wood siding from behind.
Vinyl siding inspection troubleshooting repair home page.
Although vinyl does a great job of keeping water out it does not offer a complete waterproof design.
3 16 holes will be placed under most windows and other possible moisture entry areas.
How to prevent water from flowing under vinyl siding.
Another benefit of quality vinyl siding is that it is highly water resistant when correctly installed.
For homes with vinyl siding many homeowners are under the false assumption that vinyl is waterproof.
Looks like i need to redo.
These holes will be filled with caulk when the testing is completed.
Why is there moisture behind my siding.
Siding leak diagnosis and repair.