Having recently spent a small fortune keeping up with building regs on
insulating a house recently built, somebody commented on the fact that if
you have ever had a cup of boiling hot tea in a styrofoam cup, which is at
the most about 1/8th" thick, you cant feel hardly any heat at all in your
hands. So why dont we just use styrofoam cups to insulate our houses? Just
You would need a big cup to fit over the house.
PS I thought lots of cavity walls were filled with such stuff. The outer
walls were drilled and the stuff pumped into the cavity in a liquid form
which expanded and solidified to fill the gaps.
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