What is the best way, what material to use to thermally insulate 12
meters of sewer pipe ceramic or plastic with 60 cm diameter, from the
surrounding hearth, 2 meters from the surface. Expected temperature 8
to 16 degrees C
Assuming the pipe will be half full of water, that represents a
considerable weight. Any foam product will be compressed to the point
of seriously reduce it's thermal properties.
Thanks for the help
John
