The SOKING Heat Insulation Fiber-Glass Wool Rolls are a type of thermal insulation made from spun glass fibers. They are a popular choice for insulating buildings, homes, and other structures because they are effective at preventing heat transfer. Fiberglass wool rolls are also fire-resistant and moisture-resistant, making them a safe and versatile insulation material. Features of SOKING Heat Insulation Fiber-Glass Wool Rolls: High thermal insulation value Fire-resistant Moisture-resistant Easy to install Versatile Specification of SOKING Heat Insulation Fiber-Glass Wool Rolls: Material: Spun glass fibers Thermal conductivity: 0. 04 W/m·K Thickness: 50mm, 80mm, 100mm Density: 16kg/m³, 20kg/m³, 24kg/m³ Fire rating: Class A Moisture resistance: Class C Dimensions: Width: 600mm, 1200mm Length: 10m Uses: Insulating walls, attics, floors, and roofs Preventing heat loss in buildings and homes Reducing noise transmission Protecting against fire and moisture Package includes: 1 roll of SOKING Heat Insulation Fiber Glass Wool