A comment
I am a builder for education. With the development of requests for modern construction, the quality of building materials improves. If before, it was necessary to warm the walls in the houses with glass-wool, which caused a lot of inconvenience. Imagine small shaving in your mouth and eyes, and you have to work for the benefit of the client. Now it's in the past. I work with insulation Izovol L - this is stone wool. Which is produced on imported equipment, but on Russian territory, which significantly reduces the cost.A mandatory attribute for working with insulation: gloves and special glasses. Difficulties arise only when warming in thin places, for example, window slopes. The insulation is wide and difficult from 5 cm, make 2.5. We have to put a lot of effort so that the insulation simply does not tear. A good, sharp knife helps.
The most universal type of insulation of the company is Izovol L 35 insulation. These are lightweight basalt slabs for insulation of walls, facades, between the logs in the floor, in basements, refrigeration units are also used as sound - and - fire insulation. Since he liked it at work, it was in his house, he insulated the walls with them, including the attic, and fastened them to the walls using dowels and nails. And now for more than two years, and I feel how high quality material. It is warm in winter and cool in summer.
pros
eco-friendly, easy to work with the material, does not cause allergies