[GSBN] Question about SB insulation at foundation/ceiling

[John Straube]

As long as people are considering sifts things below slabs on grade high density (8 pounds per cubic foot for example) rockwool will do the trick nicely. It has a very clear Rvalue of about 4 per inch. 

Sent wirelessly from my BlackBerry device on the Bell network.

-----Original Message-----
From: Graeme North <graeme at ecodesign.co.nz>
Sender: GSBN-bounces at sustainablesources.com
Date: Wed, 25 Jan 2012 12:30:51 
To: Global Straw Building Network<GSBN at sustainablesources.com>
Reply-To: Global Straw Building Network <GSBN at sustainablesources.com>
Subject: Re: [GSBN] Question about SB insulation at foundation/ceiling

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