[time-nuts] Water Proof Vent

[Lee Mushel]

Well, remember that Tyvek is not a vapor barrier---that's what makes it so 
useful but if you're going to  use it I suggest you review partial pressures 
and decide if the vapor movement is in the direction you want it!

Lee
----- Original Message ----- 
From: "Brooke Clarke" <brooke at pacific.net>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Tuesday, May 15, 2012 10:05 AM
Subject: Re: [time-nuts] Water Proof Vent


> Hi:
>
> You might consider using a piece Tyvek material.  You can get it free from 
> the USPS in the form of a priority mailing envelope or at a construction 
> site where it's used to warp the outside of houses.
> Passes water vapor and air but not water.
>
> Have Fun,
>
> Brooke Clarke
> http://www.PRC68.com
> http://www.end2partygovernment.com/Clarke4Congress.html
>
>
>
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