Moisture Behind Vinyl 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.

Moisture behind vinyl siding.

Although vinyl does a great job of keeping water out it does not offer a complete waterproof design. Siding is n t as tight as it should be and there is a lot of moisture behind vinyl. However in some cases the holes may be noticeable upon close inspection. For homes with vinyl siding many homeowners are under the false assumption that vinyl is waterproof.

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. In reality although the vinyl material itself is waterproof the numerous seams and gaps that occur during installation aren t. No house wrap as they have now. These holes will be filled with caulk when the testing is completed.

No rain in 7 days but most moisture is at point plywood and foam board meet. We will make every effort to use a caulk that closely matches the color of the surrounding siding. 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.

This article describes the causes of all types of leaks in building siding and wall coverings. Siding leak diagnosis and repair. 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. Looks like i need to redo.

To further protect the home a waterproof barrier should be installed between the siding and the home. Vinyl siding inspection troubleshooting repair home page. 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. Although vinyl is impervious to water when installed as directed by the manufacturer vinyl siding as a whole is not completely watertight.

Covered with vinyl 8 lap siding double 4 have not had sweating on exterior until this year.