My camp is built on piers and over the years we strung a heavy tarp around the base to block the wind. The members have agreed to explore insulating under the floor and we believe that closed cell foam is probably our best option as opposed to cutting foam board to fit in between the floor joists. We have explored sourcing the foam online for self application. Does anyone have experience with this and if so have a recommended supplier? So far we have not found a way around significant shipping costs. Also, if anyone has a recommendation for a contractor that applies closed cell foam in the Clinton Co area that may be helpful as well.