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Frequently not asked qestions

I dont understand why you want insulation on the exterior of buildings ?

this is a good question and is typical of what Bob the builder is doing wrong.

from a heat transfer ( read heat loss/heatgain to thebuilding ) it is more effective to insulate the exterior . You would not insulate the inside of a pipe, you would insulate the exterior.
Animals including us wear coats on the outside not the inside.

From a heat hold up perspective, The high density materials should form the interior of a building and the low density materials should form the exterior ( again sorry Bob but you are doing it the wrong way.)

From a control perspective for the heating cooling systems of the building .
high heat hold up means fewer cutin's and cut outs per hour .
Every time an electric motor cuts in it takes up to 7 times its normal power, until it reches equilibrium. ( This becomes accumulative. then multiply it by the millions of homes, offices, shops etc. it is a huge amount of power wasted)

I come back to basics the first place to save energy->reduce KW's ->reduce generating emmissions is through improved efficiency , not through exotic solutions, which have huge unseen cost of set up.

Norman Davison