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We just finished a house a couple hundred feet from the Pacific
Ocean about 2 hours north of San Francisco. The exterior plaster is
lime, flyash, sand and chopped straw. The texture is smooth and
there's no vapor barrier. The problem is it's quite porous. Rain
soaks in without even thinking about it and there's a wet ring for
the bottom 6 inches (15 cm) of the interior of the bale wall.<br>
<br>
We've used this plaster in less frightening conditions with great
results, but this is a place where everything is tested: it's always
moist, the winds are amazing, everything rusts immediately.<br>
<br>
It appears we need more of a sealer than we have, so what will allow
vapor to escape? Water glass? Xypex? Thompson's Water Seal?<br>
<pre class="moz-signature" cols="72">--
Darrel DeBoer
<a class="moz-txt-link-abbreviated" href="http://www.DeBoerArchitects.com">www.DeBoerArchitects.com</a>
download building codes:
<a class="moz-txt-link-freetext" href="http://bulk.resource.org/codes.gov/bsc.ca.gov/">http://bulk.resource.org/codes.gov/bsc.ca.gov/</a></pre>
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