In fact many builders disagree on the effectiveness of house wraps altogether and while some builders will only install 15 pound asphalt saturated felt paper underneath exterior siding others swear by plastic fabric house wraps such as typar or tyvek.
Paper under siding.
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Drive staples and trim.
Siding applied directly over tar paper creates a sandwich effect and can trap water between the siding material and the tar paper.
On walls it has been eclipsed in new construction by various brands of house wrap a woven or spun bonded plastic.
By doing so however you miss out on the opportunity to add add energy savings to the project.
They were built in the 1950s and 60s the felt was in perfect condition.
If you want vertical drainage with tar paper you have to add treated lumber strips on top of the tar paper.
Vinyl siding can be installed directly over wall sheathing wood siding or stucco.
Working with a helper install the bottom piece of felt so it extends 1 or 2 inches below the sill.
This underlayment is an important line of defense against moisture penetration.
How to get rid of wasps under siding written by shermaine williams on dec 30 2009.
I ve opened up houses built less than 5 years previous and the tyvek was shreaded like old newspaper.
Position the successive panels.
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.
This is a time intensive process and requires all sorts of skill.
I ll stick with tried and true felt paper.
Why do homes need house wrap.
The paper requirement is typically omitted for other types of siding when they re installed over rated structural sheathing.
I have seen literally hundreds of houses stripped of asbestos siding that had 15 felt under it.
Tar paper does not offer this.
Nowadays low cost 15 felt can weight as little as 8 to 12 pounds per square 100 sq.
Basically all model codes agree on the need for a weather resistant barrier paper usually specified as 15 felt or grade d kraft paper behind stucco brick stone and other porous veneers.
The standard weather barrier used traditionally under wood vinyl and other siding materials is 15 pound felt.
For stucco the standard is two layers of grade d building paper.
Its primary purpose is to prevent air and water leaks that may have seeped past the vinyl exterior.
It is an age old choice as a weather barrier under roofing and siding.
Drive plenty of staples especially if it is windy in your area.