Solmax now offers Concrete Protection Liners (CPL). Anchor Knob Sheet (AKS) is a robust state-of-the-art liner designed to protect concrete structures in chemically aggressive environments. This cast-in CPL is made from high-density polyethylene (HDPE), polypropylene (PP) or linear low-density polyethylene (LLDPE) to suit a wide range of applications and requirements. Read more about them.