[GBlist] Housewrap compatibility with Tyvek(r)

[Richard Kadulski <kadulski@direct.ca>]

They could be confusing it with the surfactant action from wood oils and
impurities in stucco claddings that affect the permeability of the
housewraps. If there is no capilary break for moisture getting through
the cladding, it will affect housewrap performance. (I'm sure you've
heard Joe Lstiburek talk about it at various stages). But that is
exterior moisture working it's way in, not interior moisture workiing
its way out.

It is highly unlikely there will be enough free water in the OSB that
would work out for that to be a moisture source. 


-- 
Richard Kadulski Architect
204 - 1037 West Broadway
Vancouver, BC V6H 1E3

Tel/fax 604-689-1841

Climate adapted, energy sensitive, sustainable and healthy design
Editor Solplan Review: the independent journal of energy conservation,
building science & 
construction practice


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