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exterior stucco Saltspring Cathy 10-10-2009
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Posted by Saltspring Cathy on October 10, 2009, 1:31 pm


HI -- we have recently bought a 70's stucco house (what's it called with
the
embedded sharp bits of rock or quartz). I'm wondering if it's possible to
plaster
over it (perhaps with lightweight concrete made with vermiculite/perlite,
to keep
the weight down and a bit of insulation), to end up with a plain
adobe-looking
stucco finish. The stucco seems to be in excellent repair, though you can
easily
dislodge some of the rock chips. Any ideas if new stuff would stick OK
simply with
a clean surface? Thanks, Cathy



Posted by DanG on October 10, 2009, 1:24 pm


I would not expect much if any insulation value from your new
surface. The adhesive and bonding characteristics of Dryvit type
coatings are tremendous. I assume you want a different surface
which would require a base coat and a finish coat. An actual
stucco contractor may offer other or better choices. Adding a
foam insulation course under the EIFS will add cost and depth to
the installation.

--
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net



message
> HI -- we have recently bought a 70's stucco house (what's it
> called with
> the
> embedded sharp bits of rock or quartz). I'm wondering if it's
> possible to
> plaster
> over it (perhaps with lightweight concrete made with
> vermiculite/perlite,
> to keep
> the weight down and a bit of insulation), to end up with a plain
> adobe-looking
> stucco finish. The stucco seems to be in excellent repair,
> though you can
> easily
> dislodge some of the rock chips. Any ideas if new stuff would
> stick OK
> simply with
> a clean surface? Thanks, Cathy
>



Posted by saltspring cathy on October 10, 2009, 6:15 pm


saltspring cathy had written this in response to
http://www.thestuccocompany.com/maintenance/Re-exterior-stucco-399329-.htm
:

DanG wrote:




> I would not expect much if any insulation value from your new
> surface. The adhesive and bonding characteristics of Dryvit type
> coatings are tremendous. I assume you want a different surface
> which would require a base coat and a finish coat. An actual
> stucco contractor may offer other or better choices. Adding a
> foam insulation course under the EIFS will add cost and depth to
> the installation.


-------------------------------------
Thanks for your answer -- I live in the Pacific Northwest, VERY humid and
I
would stay away from any acrylic coating. Adding insulation is secondary
to
coating over the nasty rock chips to make it a smooth surface. I've read
of
cement-based stucco paint -- could it be put on thickly enough that it
would
cover the rocks (say 1/4 to 1/2 inch) and would it stick?




Posted by DanG on October 11, 2009, 8:43 am


Cathy, I would not expect any paint type product to cover the
stones. Contact a local plaster/EIFS contractor for his input.

--
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net



message
> saltspring cathy had written this in response to
> http://www.thestuccocompany.com/maintenance/Re-exterior-stucco-399329-.htm
> :
> DanG wrote:
>> I would not expect much if any insulation value from your new
>> surface. The adhesive and bonding characteristics of Dryvit
>> type
>> coatings are tremendous. I assume you want a different surface
>> which would require a base coat and a finish coat. An actual
>> stucco contractor may offer other or better choices. Adding a
>> foam insulation course under the EIFS will add cost and depth
>> to
>> the installation.
> -------------------------------------
> Thanks for your answer -- I live in the Pacific Northwest, VERY
> humid and
> I
> would stay away from any acrylic coating. Adding insulation is
> secondary
> to
> coating over the nasty rock chips to make it a smooth surface.
> I've read
> of
> cement-based stucco paint -- could it be put on thickly enough
> that it
> would
> cover the rocks (say 1/4 to 1/2 inch) and would it stick?
>



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