Proplex 380 is a rigid twin-walled sheet that is both lightweight and extremely durable. The product is waterproof and combines excellent compression and impact resistance, providing outstanding protection for the duration of any project, new build or refit.  No warping when wet, unlike plywood, requires virtually no maintenance. Conforms to very tight curves and sharp angles, greatly reducing the need for cutting and taping. Can be paired with Hanger Pins for easy mounting and removal. 100% Recyclable and Flame Retardant.