Rain Water Behind Siding

Although vinyl is impervious to water when installed as directed by the manufacturer vinyl siding as a whole is not completely watertight.

Rain water behind siding.

As this is one of the most common causes of leaks around windows and doors of vinyl sided buildings. The source can be rainfall especially wind blown rain humidity or. How to prevent water from flowing under vinyl siding. Gutters after all protect your home against moisture directing water away from your home s windows siding foundation and other areas of your home you d prefer to keep dry you can t just sit idly by and allow a leaky gutter to wreak havoc to your home.

In this article series be sure to. At vinyl siding buckled warped. Check to be sure weep holes are open along bottom of window openings. J channel is a poor design if not flashed well it allows water to get in behind siding.

In this video this old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding. This material is resistant to rain snow and ice which makes it a great choice to protect your home with. Most siding materials are not totally effective at repelling water particularly wind driven rain. When water starts leaking from the gutter you know you ve got your work cut out for you.

Vinyl siding is one of the best water resistant siding options you can get. When water gets behind the siding house wrap is there to shed the water and keep it from entering the wall cavity. Review j channel mistakes in vinyl siding cause costly building damage. Wind blown rain entering behind any building siding material can become a water problem.

J channel is a poor design if not flashed well it allows water to get in behind siding. Water damage is risky business. Not all have wood rot but the damage would progress to rot in time. When the roof shingles do not extend past the metal drip edge the water will suck back on the metal drip edge this is called capillary action and run behind your gutters.

Capillary action is a water activity in which water adheres to a surface and follow the surface. For example most ranch style homes have a 3 12 or 4 12 pitch roof. However it is possible for water to get behind the siding if it s not installed properly. House wrap also permits the transfer of water vapor to the outside of the protected structure because water vapor can pass through.

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.