"IMM" wrote in message
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"Tom" wrote in message
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"IMM" wrote in message
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"Rick Dipper" wrote in message
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More is always better.

Except around a pipe!!

???
Sorry, I was just making the point that whereas increasing the insulation on
a plane surface is always additive hence your supposition "more is better",
on a pipe it is not so.
Sorry to butt in.
Cheers
Tom