Home > Sustainability / LEED® > LEED® Calculator LEED® Calculator Please enter your project details Project Zip Code What Thermafiber product are you using for your project? FireSpan® 40 or 90 Safing™ Insulation RainBarrier® 45 or HD SAFB™ VersaBoard® 35, 40, 60, or 80 UltraBatt™ Which type of fiber are you using? Standard Fiber (70% minimum recycled content) EPA Choice Fiber (75% minimum recycled content)