"Fibreglass" type insulation is commonly used in north america and is made in part with recycled glass. https://www.owenscorning.com/corporate/sustainability/p

"Fibreglass" type insulation is commonly used in north america and is made in part with recycled glass. https://www.owenscorning.com/corporate/sustainability/product-sustainability/recycling https://www.owenscorning.com/corporate/sustainability/produc...