Material: Made of 450gsm vinyl or paper with a thickness of 2-3mm, providing durability and insulation Thermal Resistance (R): With a thermal resistance value of 0.0821 m2 K/W, it effectively reduces heat loss Coverage: Each roll covers 7.5 m2 perfect for larger areas Installation: Non-pasted and easy to install, making it convenient for DIY projects Energy Saving: Listed by the Energy Saving Trust for its thermal efficiency and energy saving properties, Manufacturer: Thermawall