Interesting, but likely more relevant to vans vs where it’s being placed in our RAV4s. I doubt the inner door skin gets much (if any) condensation. It’s within the door, not the outer door skin or up against the actual wall of the van. The cloth seats in my cars have never gotten moldy. I don’t think cotton on the interior side of the car door would either.Havelock Wool is Healthy, High-Performance Van Insulation. High R-Value, moisture management, sound absorption. Learn more today.havelockwool.com
give this site a read...compelling argument to be made for their product vs all the denim that has been posted.