CertainTeed's FlintBoard ISO NB is a polyisocyanurate roof insulation designed for use in commercial roofing systems. This insulation is a cost-effective and energy-efficient solution that can help reduce heating and cooling costs while providing exceptional thermal performance and durability. FlintBoard ISO NB is made with a polyisocyanurate foam core that provides excellent thermal insulation. The foam core is bonded to a glass-reinforced facer on one side, which gives the insulation superior strength and durability. The facer is also designed to provide a smooth, uniform surface for the installation of the roof membrane. One of the key benefits of FlintBoard ISO NB is its exceptional thermal performance. The foam core provides an R-value of 2.5 per inch, which helps to reduce heat transfer through the roof and improve energy efficiency. This can help to reduce heating and cooling costs for building owners and improve the overall comfort of the building. FlintBoard ISO NB is...See Morealso designed to be easy to install. The insulation is available in a range of thicknesses and sizes, making it easy to customize to the specific needs of the roofing project. It can be installed using a variety of methods, including mechanically attached or adhered to the roof deck. This makes it a convenient and versatile choice for roofing contractors and building owners. Another advantage of FlintBoard ISO NB is its durability. The polyisocyanurate foam core is resistant to moisture, mold, and mildew, which helps to extend the life of the roofing system. The insulation is also designed to resist compressive forces, which can help to prevent damage from foot traffic or heavy loads. FlintBoard ISO NB is also designed to be fire-resistant. The polyisocyanurate foam core is treated with a fire-retardant material that helps to prevent the spread of flames in the event of a fire. This can help to improve the safety of the building and reduce the risk of damage or loss. In addition to its exceptional thermal performance, ease of installation, durability, and fire resistance, FlintBoard ISO NB is also an eco-friendly choice for commercial roofing systems. The insulation is made with a closed-cell foam core that contains no ozone-depleting chemicals, making it a sustainable and environmentally-friendly choice. Overall, FlintBoard ISO NB is a cost-effective and energy-efficient solution for commercial roofing systems. Its exceptional thermal performance, ease of installation, durability, fire resistance, and eco-friendliness make it a sustainable and reliable choice for building owners and contractors alike. If you are in need of a high-quality roof insulation for your commercial roofing project, consider FlintBoard ISO NB from CertainTeed. See Less