[Greenbuilding] R20 window insulation?
Bob Waldrop
bwaldrop at cox.net
Thu Jan 6 22:45:56 CST 2011
It is a rigid foam insulating board, it has aluminum foil on one side and a
plastic film on the other, and I used the 3/4in because that's what I could
buy off the shelf locally. If you use less of it, you get less insulation.
R-value, It is R-5 for 3/4 inch.
Bob Waldrop, OKC
----- Original Message -----
From: "Gennaro Brooks-Church" <info at ecobrooklyn.com>
To: "Environmentally-preferable design, construction,building elements"
<greenbuilding at lists.bioenergylists.org>
Sent: Thursday, January 06, 2011 9:25 PM
Subject: Re: [Greenbuilding] R20 window insulation?
What is Rmaxx and does it make a difference if it is thinner?
Gennaro Brooks-Church
Cell: 1 347 244 3016 USA
www.EcoBrooklyn.com
22 2nd St; Brooklyn, NY 11231
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