White Paper: Mineral Wool Insulation is Not Green, Sustainable or Environmentally Friendly
By G.A. Perry, Architect LEED AP
July 24, 2019
Mineral wool is made from stone melted in furnaces. Stone is not a recycled or sustainable material. It is extremely energy-intensive to produce and has high embodied energy. The manufacturing process involves on-site fuel combustion using gas and coal in furnaces, boilers, and dryers. The stone must be melted at very high temperatures and the furnace run 24 hours a day, every day of the year.
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