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Preserving wood in concrete James \"Cubby\" Culbertson 06-14-2005
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Posted by James \"Cubby\" Culbertson on June 14, 2005, 5:33 pm
Hiya All,

I'm about to embark on building an adobe wall outside my house (clay bricks
basically). I intend to put in a gate and in order to hang this thing, I
will be putting prolly 3"x8" rough cut cedar or pine into the ground against
the wall ends to create the frame. I plan to set these in concrete around
24" deep. I'll then fasten the wood to the wall but can't rely on the
adobe to provide a whole lot of support (hence, sinking the frame into the
ground). I'm worried about the wood
rotting out.

I will be using an asphaltum in the morter and was wondering if just dipping
the ends of the boards into this stuff (essentially 24") would provide me
the protection I
need. Would this work or is there a better way?

Thanks much,
cc



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Posted by on June 14, 2005, 10:21 pm
Not sure I quite have the picture, but if I follow, my answer would be
that I would not expect the wood to rot if encased in concrete. I
would expect the wood, if pine, that is above ground to wear faster,
but still the whole thing as described if maintained properly seems
like it would last for a loooong time.


Posted by James \"Cubby\" Culbertson on June 14, 2005, 11:30 pm
Wood in concrete will in fact rot due to Concrete's porosity. It allows
moisture in. I'm trying to avoid
having to replace these things in 5 years or so. Of course, I'm in NM which
is pretty dry so maybe I'm worrying about
nothing. Thanks for the reply!
Cheers,
cc

> Not sure I quite have the picture, but if I follow, my answer would be
> that I would not expect the wood to rot if encased in concrete. I
> would expect the wood, if pine, that is above ground to wear faster,
> but still the whole thing as described if maintained properly seems
> like it would last for a loooong time.
>



Posted by Duane Bozarth on June 15, 2005, 9:01 am
James \"Cubby\" Culbertson wrote:
>
> Wood in concrete will in fact rot due to Concrete's porosity. It allows
> moisture in. I'm trying to avoid
> having to replace these things in 5 years or so. Of course, I'm in NM which
> is pretty dry so maybe I'm worrying about
> nothing. Thanks for the reply!

In that climate it'll last a long time. (I'm in far SW KS, not far from
NE NM)

If you add some gravel to bottom of hole to provide a weep area for
faster absorption to keep the water from standing, it'll help. If
you're in one of the real sandy areas, that's probably overkill. Here,
we've got some caliche about bottom of hole depth, so usually put some
sand in for permanent posts....

Posted by Ron on June 15, 2005, 2:09 am
I think pine would rot pretty quickly, it doesn't hold up well against
rotting. I would use treated wood.
Ron
> Hiya All,
>
> I'm about to embark on building an adobe wall outside my house (clay
bricks
> basically). I intend to put in a gate and in order to hang this thing, I
> will be putting prolly 3"x8" rough cut cedar or pine into the ground
against
> the wall ends to create the frame. I plan to set these in concrete
around
> 24" deep. I'll then fasten the wood to the wall but can't rely on the
> adobe to provide a whole lot of support (hence, sinking the frame into the
> ground). I'm worried about the wood
> rotting out.
>
> I will be using an asphaltum in the morter and was wondering if just
dipping
> the ends of the boards into this stuff (essentially 24") would provide me
> the protection I
> need. Would this work or is there a better way?
>
> Thanks much,
> cc
>
>



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