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Stiferite s thermal insulation panels are mainly used in the building/construction sector and in ustrial insulation. The panels are made of thermo-setting closed cells polyurethane foam (PU) supplied with various types of flexible facers on both sides of the panel. The nature/type of facer is a function of the type of panel and its application. Expanded rigid polyurethane foam is distinguished by its thermal insulation performance, mechanical resistance, workability, lightness, and durability. The performance of Stiferite s panels is determined based on the European norm EN13165:2012+A2:2016 Thermal insulation products for buildings - Factory-made rigid polyurethane foam (PU) products - Specification. This EPD refers to Stiferite s CLASS S average thick panel, made of an insulation component in polyurethane foam using blowing agent Pentanebased, covered on both sides by saturated fibre glass facers. The saturated glass tissue facing ensures compatibility and adhesion of the panel to the most common materials used in building. The panel is produced in standard dimensions of 600 x 1200 mm and straight finish borders. Upon request and for minimum quantities, the panels may be produced in various dimensions, and the borders may be rabbeted along the sides. The surface of the panel may be evened out with sandpaper in order to allow installation on uneven surfaces. Stiferite CLASS S panel is produced by a certified company with systems:ISO 9001, ISO 45001, ISO 14001 in its entire line of products.