Using Techshield as wall sheathing

Anyone use Techshield radiant barrier OSB as wall sheathing in a southern climate? If so, what did you think?
I am considering pros/cons of 1/2" Techshield with a housewrap vs standard 1/2" CDX with 15# asphalt felt paper under Hardie plank siding.
Thanks.
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in the south: http://www.buildingscience.com/topten/south.htm
general: http://www.buildingscience.com/resources/mold/Read_This_Before_You_Ventilate.pdf
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In article <pMPGf.54469$PL5.28736

For Techshield to act as a radiant barrier it needs at least 3/4" air space on the shinny side.
If the housewrap, felt, insulation or siding is going to touch the shinny surface save your money and buy plain OSB or plywood of the appropriate span rating.
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Cheers Mike. I had that suspicion.
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