- MULTIPURPOSE INSULATION: This double-layer aluminum foil is perfect for insulating ceilings, exterior walls, floors, and attics. It effectively improves energy efficiency, helping you save on utility bills. - DURABLE MATERIAL: Constructed with a single air bubble sandwiched between two aluminum membranes, this insulation provides exceptional thermal resistance and reduces energy consumption. - HEAT REFLECTION: The silver reflective surface is designed to reflect heat away from your living space, ensuring a comfortable indoor environment throughout the year, regardless of the season. - CONVENIENT SIZE: With dimensions of 50cm x 5m, this aluminum foil can be easily cut to match any space. It is suitable for a wide range of applications, whether you're working on a home renovation or a commercial project. - APPLICATIONS: Use it in attics to keep your home cool in summer and warm in winter. Apply it to exterior walls to enhance insulation effectiveness. Ideal for flooring insulation beneath carpets or tiles, this product delivers efficient performance in every setting.