Glass Wool Insulation 4+ without facing

Isover Glass Wool Insulation 4+, a Saint-Gobain patent, is made of sand, recycled glass, renewable raw materials and has a 100% bio-sourced binder, which gives it its characteristic ivory color. It is free of any formaldehyde or phenol and labelled A+, the best rating possible for construction products for interior use. It is Incombustible by nature, soft to touch, light to handle and easier to cut than ever before. It helps improve the quality of interior air and results in considerable energy savings, providing both high acoustic and thermal performance.