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[Keith B <bartermn AT epix.net>]

Hey Jerry,
Sure. I've used a couple types of insulation in block walls, perlite 
works good and is easy if you can get to the cavity. Rent a hopper and 
blower and use blown-in insulation if not. Here's a link to a site about 
using perlite with a chart showing the change in R-value:

http://www.schundler.com/pbc.htm


waayupnorth wrote:

> When I saw the hollow-block cavities open to potential
> insulation I also wondered whether to put in them some
> type of pourable insulation, maybe foam beads or
> something.  Would to do so be worthwhile?  Does anyone
> here have any experience with this?
> Jerry