Xtratherm XtroLiner Insulation For Pitched Roof Xtratherm XtroLiner is a superior performance insulation with a lambda value of 0.021 Wm/K. It is faced with a robust PIR aluminium foil and is available with engineered jointing to deliver improved Thermal Bridging detailing. XO/PR on sloped roofs (ventilated, hybrid or warm) provides the most efficient U-values with minimal intrusion into valuable living space. The roof construction is a critical element in the building fabric and is an area at high risk of heat loss. Using XO/PR will reduce heat loss while also delivering excellent thermal bridging details. Warm Roof Construction is a particularly effective way of insulating complex roofs. Insulating above – or above and between – the roof timbers ensures that the structure is kept at or near the internal environment conditions, reducing thermal stress and condensation risk. This product has a Euroclass C Fire Classification. Thickness: 100mm All Thickness: 25,30,40,50,60,70,75,80
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