DUROTORCH and DUROTORCH 4mm MINERAL are bituminous plastomeric torch-on waterproofing membranes. They consist of a special compound based on distilled bitumen modified with selected a tactic polypropylene and reinforced with a high-performance spun bond polyester reinforcement, which offers excellent characteristics of mechanical resistance, ultimate-elongation and dimensional stability. The APP modified waterproofing compound assures good flexibility at low temperatures and excellent resistance to heat and UV rays. The whole Durotech range is manufactured under a closely controlled system which conforms to the ISO 9001 requirements and guidelines.