Haddad Mulatil

Sandwich panel is a type of thermal and sound insulation material used in construction and architecture. The sandwich panel consists of three layers: Layers 1. Outer layer: Usually made of steel or aluminum. 2. Middle layer: A thermal and sound insulating material, such as polyurethane or polyisocyanurate. 3. Inner layer: Usually made of steel or aluminum. Advantages of sandwich panel 1. Excellent thermal and sound insulation. 2. Resistant to moisture and rot. 3. Lightweight. 4. Easy to install. 5. Reduces construction costs. 6. Increases energy efficiency. 7. Reduces noise. Uses of sandwich panel 1. Building walls. 2. Building roofs. 3. Building doors. 4. Walls