New Roof for the 2nd Story Apartment The second story apartment is approximately 800 square feet (about 1/4 of the total building area). Eventually, the entire roof will be replaced, therefore, this portion of the project was an experiment of sorts. Volunteers Eckerson and Austin worked a combined total of 96 man-hours over 5 days, battled threats of rain and heat exhaustion, and learned a new definition of humility. The old roof consisted of 3 layers, all of which were removed to expose the original roof decking and framing. This resulted in the decision to replace a significant portion of the roof decking and one of the roof trusses, which were badly deteriorated. This process, which included hauling tons of waste material down to the dumpster, was the most exhausting and time consuming portion of the job. The new roof is composed of a 3-inch layer of "polyisosanurate" insulation (which has an R-value of 18.5) and an acrylic-polyester top layer fully adhered to the insulation. This roofing solution was decided upon after nearly a year of investigating different roofing options. It was chosen for its simplicity of installation, weight, life-cycle-cost, and opportunity to leave the roof structure exposed on the underside. The final coat of white acrylic has a reflectance of 98.9% which means an equivalent R-value of 28. The temperature inside the apartment now (currently un-airconditioned) is comfortable, even on the hottest and most humid summer days in Helena, Arkansas. Proceed to photos