In keeping with changing code requirements in colder climates and its commitment to sustainable construction, CertainTeed has expanded its InsulPure Fiberglass Duct Wrap to include an R-12 offering. Available both in a 48-inch and 60-inch-wide wrap to accommodate larger duct sizes, InsulPure provides a better installation experience by accommodating larger duct sizes and reducing material waste, all while offering a cleaner aesthetic once installed. What’s more: it’s non-combustible, includes recycled content formed with a formaldehyde-free binding agent and is GREENGUARD Gold Certified.