Multiwall Polycarbonate Sheet Multiwall polycarbonate sheets are a type of thermoplastic material used in various applications, particularly in construction and architecture. They are composed of multiple layers or walls with hollow spaces in between, providing unique properties such as high impact resistance, thermal insulation, and light transmission. Here are some key features and uses of multiwall polycarbonate sheets: Strength and Impact Resistance: Multiwall polycarbonate sheets are known for their exceptional strength and impact resistance. They can withstand heavy impacts, making them suitable for applications where durability is crucial. Light Transmission: These sheets have excellent light transmission properties, allowing natural light to pass through while maintaining high clarity. They can transmit up to 90% of sunlight, making them popular for applications where light is desired, such as skylights, greenhouse roofs, and covered walkways.