This article discusses the use of roofing felt or 15 pound felt as a building house wrap or vapor barrier and the permeability, moisture problems, and indoor condensation problems that may occur. If this was true than every Architect and every builder all over the country should be talking about it and it should be on the plans that you can’t use tyvek under cedar.
The IRC 2000 code and our building dept.
Use tyvek over building felt under siding. FAQ's, Acronym’s, & Terminology To Tyvek or not to Tyvek, that is the question. I want to replace the tar paper but I can't find it at homedepot or lowes.
I saw a new house with felt paper under the siding rather than Tyvek.. In my experience, #30 lays flatter, but more importantly it contains more asphalt, which will resist moisture infiltration. Builder omits house wrap under siding.
Black board sheathing with tar paper over it.. When DuPont Tyvek HomeWrap is used under sheathing, it functions only as an air barrier and does not protect the sheathing as a secondary water barrier. Why is felt preferref over Tyvek?
It seems that we have two options. Should any water get past the siding, properly-installed felt. At the minimum I'd at least use Tyvek Drain Wrap if you go the Tyvek route.
How to Choose & Install Housewrap, Tyvek, Typar, HomeWrap, Building Sheathing Wrap – House Wrap – Building Exterior Moisture Barriers How to Select & Install house wraps, vapor barriers, house wrap behind vinyl siding and other building siding Use of vapor barriers on building exteriors Use of air barriers on building exteriors Use of water resistant barriers on building exteriors under siding. What You Should Know. I'm still learning that stuff..
Plastic housewraps range from around 5 to over 50 perms. According to the U.S. This explains why the house does not retain heat.
I have not seen felt deteriorated to the point of failure, over my 20 years of. I was hoping you'd chime in as you seem to have a great understanding of the elements at play in a building. Felt paper does the same thing, but at a much slower rate .
All I can find is tyvek (to expensive) and roofing felt. One Response to “Is Tar Paper or Housewrap needed under new siding?”. As it happens, I have felt paper on my own home, and if I could choose between felt and housewrap and do it over again, I’d still choose felt.
Does anyone hae any idea if it’s OK to put Tyvek up right over the felt, or should I remove the tar paper first? Over the years house wrap materials have advanced, providing far more protection. Decades ago the original form of house wrap used was asphalt-coated felt paper.
This is why I don't use felt, and generally choose Typar.. Instead of using housewrap, I'm thinking of covering the wall sheathing with a waterproof synthetic roofing underlayment so that any water that does get behind the siding won't go any further.. The house has tar paper &/or XYZ on it, can I just go over it / will that cause moisture issues?.
Polyolefin fabric—"Plastic" house wraps typically are made of woven polyethylene or polypropylene fibers. During a recent repair to our siding, we found that the house had no building wrap (Tyvek) under the siding. Felt paper under Hardi-Plank?
Is Tar Paper or Housewrap needed under new siding?. While some believe that the original product was. The only place I have used Tyvek in the past few years is the crinkly version under some rigid foam with lightweight stucco.
Asphalt felt (tar paper)—The standard requirement is Type 1 felt meeting ASTM D 226 standards. I need to do some repairs under my siding from a window leak. Our house was built about seven years ago.
A.Paul Fisette, director of Building Materials and. For example, an ice dam or roof leak may allow liquid water to get behind the felt or housewrap. The guy I have installing my vinyl siding just placed the foam over the old “Tyvek”, is that ok or should he have removed it first?
You might want to read the article in JLC – March 2006 page 99. One would be to remove the siding, wrap the house, and then reside it. I have seen some bad reactions with tyvek over felt..i thought.
Raincoat, which repels water from the outside, but also allows moisture to escape from the inside. 15# Felt used for house wrap or sheathig wrap under siding: In general, a sheathing wrap should have a perm rating of at least 5 to enable walls to dry out in a reasonable period of time should they get wet.
What are some of the negatives of using black paper opposed to tyvek under vinyl siding? Using Housewrap for Masonry Applications: By David Martin, Ph.D.
DuPont Tyvek HomeWrap has been used directly over studs where there is no sheathing, although use of sheathing is a highly. If I am installing foam, should it be placed over the foam or under it? The old practice of running felt strips under siding/casing joints may actually be creating an environment more prone to rot, by concentrating more moisture.
That’s because I believe that under certain circumstances, felt outperforms housewrap. Traditional sheathing wraps such as asphalt felt and Grade D building paper (used under stucco) both measure about 5 perms. According to the ZIP system, I don’t need one, is this really a good way to go?
Doing a remodel on a house and they found out we could do vinyl siding so that was added. DuPont Tyvek HomeWrap can be used either over or under sheathing. It may or may not be of some use, but I wish I had used this method on my own home prior to covering the exterior in 1/2 x 6 mahogany.
We installed 15lb felt, including unfastening the windows to get the paper under the flanges. Consequently, a high-quality house wrap, like Barricade® Building Wrap, saves money and time over asphalt felt paper, by reducing the need for repairs during the construction process. Above was my post to Demon, now there are people here who say you can’t use Tyvek under cedar because of the tanins in the cedar will eat away at the tyvek.
We've also used the felt paper-over-housewrap scheme that Michael Chandler uses. Is this roofing felt any different than tar paper and can it be used as housewrap? Then of course the ever famous should I use tar paper or Tyvek?.
The majority of house wrap you will find now is a lightweight, synthetic material primarily designed to be placed between the siding and the sheathing. Say that house wrap in not required under vinyl siding however, alot of people are using it under vinyl siding and there is a debate seeming to begin to. I just pulled some vinyl siding installed 1990 with Tyvek under it.
I'd rather not use the flashing because it will make it obvious the siding isn't really stucco.