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Re: Southern Pine Pressure Treatment

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The actual chemical used seems to vary regionally.  Rather than you specify something that is not available in a specific area, you may want to contact a major lumber supplier near your project and ask what treatment is used for the size member you need.
Howard Silverman, PE
Covert Operations/USP Structural Connectors
Signal Hill, CA
-----Original Message-----
From: Sharon Robertson <>
Sent: Tue, 8 Mar 2005 17:05:54 -0800
Subject: RE: Southern Pine Pressure Treatment

I am thinking about using ACQ or a comparable chromium-free treatment.  When you say "new pressure treatment", what do you mean? 
Thank you,
-----Original Message-----
From: Robert Freeman [mailto:robert.freeman(--nospam--at)]
Sent: Tuesday, March 08, 2005 4:31 PM
To: seaint(--nospam--at)
Subject: Southern Pine Pressure Treatment

Only sill plates/ledgers which are in contact with concrete/masonry which are within 18" of dirt need to be pressure treated.  Be careful to use the new pressure treatment approved by code.  Also be careful to use galvanized hardware and nails into the P.T. wood.
I don't know about your moisture content question.
With Joy and Hope,
Bob Freeman, Architect
Structural Designer
Integrated Design Services, Inc.
(949) 387-8500