The underground water supply line from my well froze last winter when I was away during February - a very cold month. Someone suggested that I dig down to the tube and surround it with 2" thick Styrofoam insulation to prevent this happening again. The well is about 40' from the house and he suggested insulating at least the first 6' from the well.
Does anyone think that would work? What kind of Styrofoam?
Thanks