Floors

[user 6228]

...

Heat loss downwards is not a real problem through the floor frames and, with OMFs, it becomes rather immaterial. ...

RAB

not necessarily true... It appears the limiting factor on reducing heat conductance on the best performing poly hives is the floor. But if you are happy with just being substantially better than wood then your statement is correct for your purposes

 

[tidymeup]

Surely the answer to this is use use a poly hive?