Insulation board on 3 sides of outside hive ??

[Dr. B in Wisconsin]

Hello
I live in Wisconsin and it gets quite cold here, sometimes -25 F hopefully not too much this winter. I have always been one for insulating my house sooo I thought that I could screw a 2 inch thick piece of that hard insulation board on three sides to keep a little heat inside the hive during the cold days that are coming. I bought one of those tops that have the 2 inch thick hard insulation so the top will be insulated.  Any opinions on this?? ( First winter for me)

Thanks,
Brian

[AllenF]

It can not hurt unless it does not let moisture out of the hive.   You don't want it to rain inside the hive.   It is just your time and your money. 

[Michael Bush]

I would insulate the top (which you have covered already) and forget the rest.  But that's based on my experience in my climate.