CARTOSCREED boards are especially puncture & injury resistant, rot and root proof. They are engineered to resist puncture in excess of 1900 newton (BS EN ISO 12236:2006). This degree is not attained by most
other protection boards of same category.
A 1m x 2m x 5mm thick, semi flexible, polypropylene based board, double layered with 5mm integrated perpendicular support spacers at 4mm intervals, to be applied as a protection to the waterproof membrane.