Division 7 Ebook Page 337 FOAMULARŪ in Metal Roofing Case Study

Owens Corning is in the process of eliminating hydrochlorofluorocarbons (HCFCs) - the blowing agents used in the manufacture of XPS - to comply with the Montreal Protocol. Several years ago, Owens Corning switched from chlorofluorocarbons (CFCs) to HCFCs, thereby reducing the emissions of concern by 90 percent. Owens Corning continues to work on viable alternatives and is committed to the elimination of all fluorocarbons with chlorine. The increasing cost of material disposal makes the reusability of XPS an attractive option. The benefits include: usable insulation can be reused reused materials are kept out of landfills new replacement product resource consumption is minimized fossil fuel is saved in not making new insulation greenhouse gas emissions avoided by minimizing resource processing continued energy savings According to the American Institute of Architects (AIA), buildings account for nearly half of all greenhouse gas emissions. 1 In testimony before a U.S. Senate subcommittee, AIA President R.K. Stewart said buildings are responsible for 71 percent of U.S. electricity consumption, and that buildings in the U.S. alone account for 9.8 percent of carbon dioxide (CO 2 ) emissions worldwide. "The AIA believe strongly that now is the time tostart making significant reductions in the amount of fossil-fuel generated energy our nation consumes through its buildings," said Stewart. Marzella points out that, "Architects, builders and owners looking for products that are energy efficient, reduce the use of natural resources, minimize waste and reduce pollution will find that FOAMULAR insulation meets those objectives." Efficient and Easy to Use As reported earlier, extruded polystyrene insulation works very well with Standing Seam Roofing Systems. "Extruded foam insulation is more rigid and more durable than other types of insulation, which makes it easy to work with and install," says Ronnie Life, of Life's Roofing and Remodeling in Harrisonburg, Va, the roofing contractor for the high school addition. Because FOAMULAR insulation is made in a manufacturing plant, the production process and product quality can be carefully monitored and controlled for consistent performance. Also notable, FOAMULAR insulation weighs considerably less than plywood, oriented strand board and other construction material, so it's easy, fast and safe to install. In addition, the product's rigidity means it can be scored and snapped, cut, or sawed with common tools. Adding to the long-lasting and "green" aspects of the school building as a whole, the Standing Seam Roof is made with steel having a paint finish designed to last 20 years. According to the American Association of Steel Construction, "Framing systems utilizing structural steel are recycled, recyclable and reusable." In addition, using metal roofing is "cool," according to David Taylor, of McElroy Metal. The website www.coolmetalroofing.com explains that "Cool metal roofing is a family of sustainable, energy efficient roofing products comprised of unpainted metal, prepainted metal (used in the Monticello High School addition) and granular-coated metal." The benefits of using cool metal roofing include: energy efficiency sustainability durability low life-cycle cost fire and wind resistance lightweight aesthetically pleasing 1 Energy Efficient Federal Buildings, a statement by R.K. Stewart, President, American Institute of Architects, before the United States Senate, Committee on Energy and Natural Resources, Subcommittee on Energy, Feb. 12, 2007. metal roof air space/coverboard if required steel deck two-part clip bearing plate THERMAPINK roof insulation (direct-to- deck use with metal roofing must be verified with local code authorities) thermal barrier, if required Construction of an 850-seat auditorium at the high school provided an opportunity to test rigid foam insulation placed in service nearly 10 years before.

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