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Duro-Guard® Insulation

The comprehensive line of Duro-Guard insulation products allows for high performance roofing assemblies through high R-values and energy efficiency. These products can contribute to roofing assembly best practices and play a critical role in reducing heat exchange.

Duro-Guard polyisocyanurate (ISO) is Duro-Last®’s best-selling category of insulation, offering high R-value and several different products to meet the needs of any project. Expanded polystyrene (EPS) and extruded polystyrene (XPS) insulation solutions are also available.

Additionally, underlayment solutions from Duro-Last are designed to create a barrier between the surface of the deck and the roofing membrane. Duro-Last underlayment options consist of a variety of slip-sheets - including a geotextile option, vapor barriers, ballast and drainage mats, as well as insulation and cover boards.

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