Water Behind Cedar Siding

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.
Water behind cedar siding. The product offers the unique combination of a drainage system and a weather resistant barrier in a single product and it promotes water drainage behind siding such as primed cedar by channeling moisture safely to the outside. Vinyl siding comes in 16 foot strips. Not all have wood rot but the damage would progress to rot in time. Although vinyl does a great job of keeping water out it does not offer a complete waterproof design.
The damage can compromise a building s structural integrity. At yanish we find water damage behind the siding of roughly 1 in 6 homes. Accessory pieces install before the siding strips to prevent water from running behind the siding in these areas. Check to be sure weep holes are open along bottom of window openings.
Water damage is risky business. For homes with vinyl siding many homeowners are under the false assumption that vinyl is waterproof. In this video this old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding. It easily hides beneath siding materials and often shows no obvious signs to untrained eyes.
Inspect the area above the leak including both indoors and out.