This document lists several commercial properties in Illinois and Colorado that underwent reroofing projects between 1999 and 2009 using Duro-Last membrane. The roofs included a mix of Duro-Last membrane with either GAF shingles or metal retrofits with Insulfoam insulation. One project at Bob's Salvage & Home Improvement Center reduced heating costs by 50% after adding Duro-Last membrane and insulation.
6. Bob’s Salvage & Home Improvement Center in Effingham, IL Metal Retrofit in 2009 with Duro-Last Membrane and Insulfoam insulation. We cut their heating costs by 50%!