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Window of opportunity

Post-production glass is a common source of material for firms using recycled material in their products. British Gypsum Isover, for example, produces a range of glass mineral wool products called Isowool for thermal and acoustic insulation as well as fire protection.Seventy percent of the materials used to make this product come from post-production glass, with the rest of the product made from sand. British Gypsum Isover was one of 20 partners in the Waste and Resources Action ...