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Subject Author Date
No House Wrap? Mark Horn 08-06-2006
---> Re: No House Wrap? Plan Review Sec...08-08-2006
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Posted by Mark Horn on August 6, 2006, 8:31 am
Hi,

I've read a few threads in this group about house wrap.
In particular, someone named "betty" wrote about her house not
being wrapped nor the windows flashed.

My wife & I just contracted to build a house with a tract builder.
During the contract signing, the representative went out of his way
to point out that they don't wrap the house. The exterior of this
house will be vinyl siding and stone.

I've read the "betty" thread and the following:

        http://www.umass.edu/bmatwt/publications/articles/housewraps_feltpaper_weather_penetration_barriers.html

        http://www.buildingscience.com/resources/walls/default.htm

I'm beginning to be worried. A few questions:

        1) Should I be worried?

        2) How common of a practice is this?

        3) Is there some other type of water barrier that I'm unaware of
        other than house wrap?

Thanks,
- Mark

Posted by RicodJour on August 6, 2006, 10:39 am
Mark Horn wrote:
>
> My wife & I just contracted to build a house with a tract builder.
> During the contract signing, the representative went out of his way
> to point out that they don't wrap the house. The exterior of this
> house will be vinyl siding and stone.
>
> I've read the "betty" thread and the following:
>
>
        http://www.umass.edu/bmatwt/publications/articles/housewraps_feltpaper_weather_penetration_barriers.html
>
>         http://www.buildingscience.com/resources/walls/default.htm
>
> I'm beginning to be worried. A few questions:
>
>         1) Should I be worried?

I'd insist on it.

>         2) How common of a practice is this?

In my area building wrap or building paper is required by code.

>         3) Is there some other type of water barrier that I'm unaware of

Not sure. Which types do you know?

Ask the builder what vinyl siding brand they install. Go to the
manufacturer's web site. Most vinyl siding installation instructions
specify a water barrier and say the vinyl does not replace the barrier.


R


Posted by Mark Horn on August 6, 2006, 11:38 am
>>         3) Is there some other type of water barrier that I'm unaware of
>
> Not sure. Which types do you know?

You mean you can't read my mind?

I'm aware of wrap, felt and tar paper.

> Ask the builder what vinyl siding brand they install. Go to the
> manufacturer's web site. Most vinyl siding installation instructions
> specify a water barrier and say the vinyl does not replace the barrier.

Ok. If that's the case, I can ask something along the lines of, "OK,
I know you said you weren't going to wrap the house, but the vinyl
siding manufacturer specifies a water barrier. Where is the water
barrier so that this siding is installed to manufacturer specs?"

Thanks,
- Mark

Posted by RicodJour on August 6, 2006, 11:47 am
Mark Horn wrote:
> >>         3) Is there some other type of water barrier that I'm unaware of
> >
> > Not sure. Which types do you know?
>
> You mean you can't read my mind?
>
> I'm aware of wrap, felt and tar paper.
>
> > Ask the builder what vinyl siding brand they install. Go to the
> > manufacturer's web site. Most vinyl siding installation instructions
> > specify a water barrier and say the vinyl does not replace the barrier.
>
> Ok. If that's the case, I can ask something along the lines of, "OK,
> I know you said you weren't going to wrap the house, but the vinyl
> siding manufacturer specifies a water barrier. Where is the water
> barrier so that this siding is installed to manufacturer specs?"

Right. You should also check out your local code.

A similar omission happens with building felt under roof shingles.
Some contractors feel it's totally unnecessary and leave it out.
Unfortunately that automatically voids the warranty. Some of these
people buying 50-year shingles are getting hosed by cheap/lazy/ignorant
contractors.

R


Posted by on August 6, 2006, 4:26 pm
Builders take shortcuts like this and give bull crap excuses more and
more. But it's still a shortcut no matter how many of them are doing
it and getting away with it, and it still does void the warranty as
someone else pointed out. If you don't get experts on your side, and
make sure the house is built right, a lot of builders simply can't be
trusted to do it right, on their own. IMO this is especially true of
tract builders as they have the resources to tie you up legally so you
can never get anywhere. Incidentally omission of required material
also voids the structural warranty that may come with the house. GOOD
LUCK! http://www.hadd.com and http://www.hobb.org will be needed I
think.


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