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screw jack support posts cmweis 04-12-2007
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Posted by cmweis on April 12, 2007, 8:35 pm
A house i'm looking to buy has a two story addition they put on within the
last five years - during home inspection, the inspector pointed out that the
screw jack support posts are below grade level and thus prone to rusting out.
Does anyone have any insight on how "atypical" this is, or how concerned I
should be about this?


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Posted by DAC on April 12, 2007, 9:15 pm
> A house i'm looking to buy has a two story addition they put on within the
> last five years - during home inspection, the inspector pointed out that the
> screw jack support posts are below grade level and thus prone to rusting out.
> Does anyone have any insight on how "atypical" this is, or how concerned I
> should be about this?

crawl space or basement?

crawl space it's not the best practice a poured post would be better;
basement, common.


Posted by cmweis on April 12, 2007, 10:18 pm
Not sure how to answer that (novice here). The addition is off the 2nd and
3rd floor off the back side of the house (extending about 12' away from the
house), with the supports going into the ground. The yard slopes down from
the backside of the house, so the basement is totally under ground in the
front and about 3/4 under ground out back. The screw jacks go into the
ground out there- creating a crawl space type of area under the addition
(kind of like houses you see at the beach, appearing as though they are
sitting on pillars). You can only see 3-4 feet of the supports then they go
into the ground.

DAC wrote:
>> A house i'm looking to buy has a two story addition they put on within the
>> last five years - during home inspection, the inspector pointed out that the
>> screw jack support posts are below grade level and thus prone to rusting out.
>> Does anyone have any insight on how "atypical" this is, or how concerned I
>> should be about this?
>
>crawl space or basement?
>
>crawl space it's not the best practice a poured post would be better;
>basement, common.


Posted by DAC on April 13, 2007, 7:59 am
> Not sure how to answer that (novice here). The addition is off the 2nd and
> 3rd floor off the back side of the house (extending about 12' away from the
> house), with the supports going into the ground. The yard slopes down from
> the backside of the house, so the basement is totally under ground in the
> front and about 3/4 under ground out back. The screw jacks go into the
> ground out there- creating a crawl space type of area under the addition
> (kind of like houses you see at the beach, appearing as though they are
> sitting on pillars). You can only see 3-4 feet of the supports then they go
> into the ground.
>
> DAC wrote:
> >> A house i'm looking to buy has a two story addition they put on within the
> >> last five years - during home inspection, the inspector pointed out that the
> >> screw jack support posts are below grade level and thus prone to rusting
out.
> >> Does anyone have any insight on how "atypical" this is, or how concerned I
> >> should be about this?
>
> >crawl space or basement?
>
> >crawl space it's not the best practice a poured post would be better;
> >basement, common.

So the posts, they're on the interior of a crawl space, correct?
If they are, and do not come into contact with the soil or moisture, I
wouldn't see why it wouldn't work. It they are exposed to the
"elements" I would personally use concrete piers.

Depending on how serious you are about the house, and if this is a
factor you might be able to get a credit to change it. Do you have
pictures to share?


Posted by on April 12, 2007, 10:59 pm
> A house i'm looking to buy has a two story addition they put on within the
> last five years - during home inspection, the inspector pointed out that the
> screw jack support posts are below grade level and thus prone to rusting out.
> Does anyone have any insight on how "atypical" this is, or how concerned I
> should be about this?

Based on later posting, I would count on doing some foundation work.
T


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