Water Unter Vinyl Siding

Vinyl siding must be able to move independently of the wall surface.

Water unter vinyl siding.

Vinyl is the rare siding product that remains completely unaffected by. In terms of siding this means layering sheeting flashing house wrap caulking siding and trim. Although vinyl is impervious to water when installed as directed by the manufacturer vinyl siding as a whole is not completely watertight. 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.

It s virtually impossible to completely seal any siding without additional materials. Vinyl siding is a durable versatile and resilient building material but it does require some routine care and cleaning. Other types of siding may also telegraph water problems in a wall be it staining rot efflorescence softness or swelling. While a water resistant house wrap is typically installed under the siding it is punctured by nails during the installation process contributing to leaks.

Vinyl siding itself is waterproof and directs most water flow away from the exterior but even a small gap can allow water through. 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. Before the vinyl siding is installed on the house a waterproof underlayment called house wrap must be placed on the osb to prevent water from seeping through the siding and reaching the osb. Mold found under siding typically requires siding repair or replacement.

Water also enters the wall cavity through gaps at the edge of siding if it is not caulked. If the mold problem is very limited siding repair may be enough to prevent further damage. This article describes the causes of all types of leaks in building siding and wall coverings. Siding leak diagnosis and repair.

Some contractors that favor vinyl may go so far as to say it s borderline waterproof. How to prevent water from flowing under vinyl siding. The growing popularity of vinyl siding is indisputable.