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RE: Vapor barrier with void form?

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We are currently showing the vapor barrier below the void form as
suggested, but the question has come up: will the vapor barrier affect
the ability of the void form to deteriorate, since moisture in the soil
will have a barrier between it and the void form? 

William C. Sherman, PE 
(Bill Sherman) 
CDM, Denver, CO
Phone: 303-298-1311
Fax: 303-293-8236
email: shermanwc(--nospam--at)

> -----Original Message-----
> From: Harold Sprague [mailto:spraguehope(--nospam--at)] 
> Sent: Sunday, April 03, 2005 11:55 PM
> To: seaint(--nospam--at)
> Subject: RE: Vapor barrier with void form?
> I would place sand on grade in order to be able to bring it 
> to a proper grade, place the vapor retarder on the sand, and 
> the void form on the vapor retarder.
> Regards,
> Harold Sprague
> >From: "Sherman, William" <ShermanWC(--nospam--at)>
> >Reply-To: <seaint(--nospam--at)>
> >To: <seaint(--nospam--at)>
> >Subject: Vapor barrier with void form? Date: Fri, 1 Apr 2005 
> >
> >If your structure is on void form and the Architect wants a vapor 
> >barrier due to floor finish, what method is recommended to 
> install the vapor barrier relative to the void form and relative to
> bottom of concrete?
> >

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