[185764] in North American Network Operators' Group
RE: Environmental Graph Interpretation
daemon@ATHENA.MIT.EDU (Jakob Heitz (jheitz))
Thu Nov 12 00:23:23 2015
X-Original-To: nanog@nanog.org
From: "Jakob Heitz (jheitz)" <jheitz@cisco.com>
To: "nanog@nanog.org" <nanog@nanog.org>
Date: Wed, 11 Nov 2015 17:57:12 +0000
Errors-To: nanog-bounces@nanog.org
If the temperature of the floor is below the dew point, then it will sweat.
Maybe there's a cold wind blowing underneath the gap?
--Jakob
> -----Original Message-----
> Date: Tue, 10 Nov 2015 17:25:04 -0600
> From: "Lorell Hathcock" <lorell@hathcock.org>
>=20
> It is on the ground floor, but it is in a hut that has a wood floor that =
is
> raised off the ground. There is a gap between the bottom of the floor an=
d
> the ground.
>=20
> -----Original Message-----
> From: Valdis.Kletnieks@vt.edu [mailto:Valdis.Kletnieks@vt.edu]
> Sent: Tuesday, November 10, 2015 5:13 PM
> To: Lorell Hathcock <lorell@hathcock.org>
> Cc: 'NANOG list' <nanog@nanog.org>
> Subject: Re: Environmental Graph Interpretation
>=20
> On Tue, 10 Nov 2015 16:48:04 -0600, "Lorell Hathcock" said:
> > Are there any one the list that would care to take a look at some
> > graphs of temperature, relative humidity and dew point that I have for =
two
> locations.
> > In one of the two locations, I'm having a problem with the floor
> > getting wet (condensation?). At the other everything is just fine.
>=20
> Is your moisture problem on a ground floor? Note that even well-cured
> concrete is like 30% water, and can allow moisture to slowly migrate thro=
ugh
> and weep. Usual cure is application of a proper sealant over the concret=
e.