[GBlist] Borax foam?

[Speireag Alden <Joshua.M.Alden.91@alum.dartmouth.org>]

Hello, all.

     When I re-do my earthen roof, I want to do it in such a way that 
carpenter ants can't get established in it.  Several times in the 
past, people on this list have mentioned expanded polystyrene (EPS) 
and extruded polystyrene (XPS) which has borax in it for insect 
resistance.  I've spent several hours looking around on the web, and 
I can't find a maker, or where I might order it.  I've even tried 
Dow's site.

     Can anyone steer me to a brand name, or a source, or a 
manufacturer, or any lead at all, for sheets of EPS or XPS with borax 
additive?  I'll take it from there.  Thanks.

-Speireag.
-- 
You cannot do a kindness too soon, for you never know how soon it 
will be too late. -Ralph Waldo Emerson, writer and philosopher 
(1803-1882) 

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