Its primary purpose is to prevent air and water leaks that may have seeped past the vinyl exterior.
Will moisture behind vinyl siding dry up.
Why is there moisture behind my siding.
Although vinyl does a great job of keeping water out it does not offer a complete waterproof design.
For homes with vinyl siding many homeowners are under the false assumption that vinyl is waterproof.
This is on east wall only from ceiling line down mainly at ceiling line.
A client has moisture dripping from behind vinyle siding causing a stain.
How to prevent water from flowing under vinyl siding.
Reinstalling the siding with the proper water resistant barrier underneath it.
You re building a wall.
Although vinyl is impervious to water when installed as directed by the manufacturer vinyl siding as a whole is not completely watertight.
The house is electric heat in ceiling but is tightly insulated and has a moisture bearier.
Old siding removed tyvek installed before siding siding has a drop in foam backer.
Vinyl siding isn t waterproof.
To sum it up house wrap is a lightweight paper like material that is most often used to completely cover the house directly on top of the sheathing and behind the vinyl siding.
Some of you are saying that if the wall is not insulated the problem is condensation but if you read my question again i stated that i removed the insulation when i found the moisture in the.
Wood siding can be moisture tested with non invasive surface scanning and then followed up with pin probe testing at suspect areas.
Composite composite siding such as james hardie or lp smartside can be tested the same way that wood siding tested using a combination of non invasive and pin probe testing.
Therefore the home must have a tight water resistant barrier underneath the siding to prevent water problems such as dry rot.
To further protect the home a waterproof barrier should be installed between the siding and the home.
Whatever your reason you are now looking at finishing a new wall.
Vinyl siding is itself water resistant and when it s installed without backing it can act as a natural rainscreen allowing water to drain out from behind it.
About 4 5 feet up the wall is dry on the outside we have not taken the drywall completely off the inside of the closet only 2 feet up.
It wicks up from beneath trickles in from above and blows in through the seams between siding pieces.
Maybe you re putting on an addition or finishing off your basement or maybe you are just about to undergo a major renovation that requires taking the existing wall down to the studs.
Even though vinyl siding is durable it isn t immune to water intrusion.
