What is a non-toxic and non-flammable home insulation?

Amanda Eisley
Updated: May 26, 2023

I have done some research and am considering cork insulation. The house has had a serious rodent infestation and tends to have a high level of humidity. I am concerned because temperatures drop significantly in this area. Do you have any other suggestions for insulation materials that are not flammable, nor prone to mold and are non toxic? Do you know of any homeowners who have insulated their homes with cork, found it effective and energy efficient living through cold climates? 

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