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How much damage can a House sill plate take?

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How much damage can a House sill plate take? rajmadanny 04-23-2008
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Posted by on April 23, 2008, 8:51 am
Due to Termite and (believe it or not) Raccoon damage, my house sill
plate might need changing. The sill plate has certain sections that
have been eaten away at=85 none of these locations is under a rafter
location.

So, the question is, if my sill plate does NOT have rot and is NOT
disintegrating due to termites, is it possible to patch the sill
plate? Or should I undertake the expensive task of replacing it?

Thanks,
Raj

Posted by John Gilmer on April 23, 2008, 10:01 am

"So, the question is, if my sill plate does NOT have rot and is NOT
disintegrating due to termites, is it possible to patch the sill
plate? Or should I undertake the expensive task of replacing it?

The primary purpose of the sill place is the spread the load of the joist.

If "significant" wood has been eaten away your sill plate isn't really
spreading the load but only acting as a cushion between the joist and the
concrete.

Frankly, the odds are good that the termites have gotten into the joists
either through the sill plates or via the "end plates."

Do the "philips screwdriver" test and do some hard probing of the sill and
the joists. You may well find that what looks like sound wood is actually
hollow.


** Posted from http://www.teranews.com **

Posted by on April 23, 2008, 11:39 am
Thanks John, for your help... a few questions below:


> If "significant" wood has been eaten away your sill plate isn't really
> spreading the load but only acting as a cushion between the joist and the
> concrete.

Would you happen to have a magic number on the percentage of wood
damaged? 10%, 20%?



> Frankly, the odds are good that the termites have gotten into the joists
> either through the sill plates or via the "end plates."

What do you classify as an "end plate"?

>
> Do the "philips screwdriver" test and do some hard probing of the sill and=

> the joists. =A0 =A0You may well find that what looks like sound wood is ac=
tually
> hollow.

I did the screwdriver test... existing wood is good... as you said,
I'll need to figure out the load, and if "patching" can help with the
load.

Thanks again,
Raj

Posted by dadiOH on April 23, 2008, 2:07 pm
rajmadanny@gmail.com wrote:
> Thanks John, for your help... a few questions below:
>
>
>> If "significant" wood has been eaten away your sill plate isn't
>> really spreading the load but only acting as a cushion between the
>> joist and the concrete.
>
> Would you happen to have a magic number on the percentage of wood
> damaged? 10%, 20%?
>
>
>
>> Frankly, the odds are good that the termites have gotten into the
>> joists either through the sill plates or via the "end plates."
>
> What do you classify as an "end plate"?
>
>>
>> Do the "philips screwdriver" test and do some hard probing of the
>> sill and the joists. You may well find that what looks like sound
>> wood is actually hollow.
>
> I did the screwdriver test... existing wood is good... as you said,
> I'll need to figure out the load, and if "patching" can help with the
> load.
>
> Thanks again,
> Raj

Do yourself a favor - spend a few bucks for a structural engineer to come
look at it.

--

dadiOH
____________________________

dadiOH's dandies v3.06...
...a help file of info about MP3s, recording from
LP/cassette and tips & tricks on this and that.
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Posted by gpsman on April 23, 2008, 2:40 pm
>
> Do yourself a favor - spend a few bucks for a structural engineer to come
> look at it.

Balderdash!

Post some decent pics, I'll fix it from here.
-----

- gpsman

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