Best Way To Insulate An Existing Metal Building. The down side is that none of them function or appear as nice as one that was installed correctly during initial construction. When i asked about the condensation issue and moisture ruining the fiberglass batts, he said there would be moisture, and that is how it is designed to behave.
It has a metal roof, installed directly over the trusses/beams, though, which. I remember thinking that the owner was paying almost a million dollars for his new building and there might be mould in the walls before he took possession. The question is often asked, what is the best way to insulate a steel building?
If you are adding insulation to an already existing metal building, it is recommended to use foam insulation.
I will likely remove the siding and add building wrap. Each of these materials has its pros and cons, but you can always find an insulation material that works best in your situation. Easy to install, continuous insulation, reduces thermal bridging. I actually checked with a pole barn builder and they said the way they are insulating their buildings is just to place batts against the metal siding and closing it up.