Elastomeric-plastomeric polymer distilled bitumen waterproofing membrane. ANTIRADICE XFIRE P is a prefabricated ELASTOMERIC-PLASTOMERIC (Plastomer-Polymer Bitumen) waterproofing membrane offering good performance. Made from a special compound with a high percentage of polymer, formulated with distilled bitumen modified with special polymers that give the membrane excellent elastic, plastic and rubber-like properties. ANTIRADICE XFIRE P is BROOF(t2) certified to the requirements of the external fire performance standard EN 13501-5.