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Heat loss vs Kingspan thickness graph

mayoman1973 · 2013-03-26 09:15:27

Anyone got a simplified graph that allows you to see at a glance where the cut off point is as regards when it is no longer economically justified to have thicker insulation on the inside of your external wall. Currently have a 100mm cavity with 60mm kingspan and the cavity pumpinig guy has told me that pumping this would…

26-03-2013 9:15am

#1

mayoman1973

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Anyone got a simplified graph that allows you to see at a glance where the cut off point is as regards when it is no longer economically justified to have thicker insulation on the inside of your external wall. Currently have a 100mm cavity with 60mm kingspan and the cavity pumpinig guy has told me that pumping this would not work great because the 40m cavity does not allow enough room for the beads to propagate properly into the cavity.
Also, should there be consideration given to risks of condensation on the inner leaf if the drylining is too thick?

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