Hello everyone!
In the summer of this year I want to insulate my house, but before that I want to be sure that I choose the right material. I am in particular interested in materials with a high R-value, which are eco-friendly as well. Any recommendations? A friend of mine recommended the polyester fiber, which is recycled from plastic bags, packaging or plastic bottles. If anyone has used it I would be interested to know more about it.
Thanks in advance
