Anyone know of another product that is a masonry unit and had some insulating
value in vertical as well as horizontal directions? My first choice, Hebel AAC
isn't selling material in the northeast.
I'm *not* looking for a standard CMU with foam inserts - they are all
configured to reduce lateral (horizontal) heat loss. This application is to
make a thermal break in a CMU parapet wall which is insulated on the exterior,
where it passes the plane of the roof. The only other option I know of is
Foamglas, which according to the manufacturer doesn't like to be mortared, and
comes in odd sizes so the pieces would all have to be individually cut.
Marc Rosenbaum
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