Laydex Corriboard Black 2.1mm x 8ft x 4ft is a flame retardant polypropylene into a wide range of weights, grades and custom sizes of fluted board. It provides an extremely versatile form of protection offering light through to heavy duty compression and impact resistance for floors, walls, doors and horizontal surfaces. Correx is light, clean, easy to work with and can be re-used, giving a cost effective alternative to traditional wood products. Used to protect doors, walls, stairs, floors, partitions, windows, bathrooms, columns, etc. It is easily cut, curved and creased. The product is lightweight and quick to position. It is also tough, durable and impact resistant.