Alternatively, the term "Small corrugations " can be used to refer to the outer surface of the Sandwich Panel wall, which features a 25 mm wide protrusion designed to fit seamlessly into slip joints. This design enhances the wall's strength , effectively conceals the joint for a smooth and seamless appearance, and is easy to install and dismantle.

MATERIAL SURFACE
The material comprises galvanized steel with a dual polyester coating, ensuring durability, even in high humidity conditions such as cold rooms. The incorporation of subtle corrugations enhances its aesthetics, making it suitable for both exterior and interior applications within a building.