IKO Permaguard HDPB (Heavy Duty Protection Board) is a 3mm thick high-density polymeric protection board that is extremely tough with its high impact resistance for use in heavy-duty situations.
IKO Permaguard HDPB (Heavy Duty Protection Board) is installed into the second coat of IKO Permatec LI compound while it is still hot.
Boards must be tightly butted and joints must be sealed with hot IKO Permatec LI compound applied with a wide blade scraper.