I use contractor plastic and cover 2 sides of the run. I have gone a few years without doing that and they were fine too, but the wind was blowing snow into the run and they would not walk in it. I also use a blue heated dog bowl and go out each morning with a gallon of hot water. By the time I walk over there, some of the heat has left, so it is warm enough for them to drink. I will add straw to their coop and give them some BOSS in the run.
Note: Make sure when covering the run with plastic you leave at least one wall open (I choose one of the long ones). You don't want to keep in all the moisture and heat, it needs to escape. The main purpose of plastic is to stop the wind and snow, while still letting in light.
Note: Make sure when covering the run with plastic you leave at least one wall open (I choose one of the long ones). You don't want to keep in all the moisture and heat, it needs to escape. The main purpose of plastic is to stop the wind and snow, while still letting in light.