The results of a Phase II U.S Depart of Energy study on EIFS (synthetic stucco) have been provided, and confirm what building professionals have known for years: EIFS insulates walls and manages moisture better than alternative building products including hardiboard, brick and (traditional) stucco. The study was done over the course of 3 years in the worst climate possibly — a mixed, coastal, Zone 3 (hot and humid) climate.
This puts EIFS as the front-runner for U.S President Obama’s stimulus package, which includes provisions to re-clad buildings with a more energy efficient siding. Add to these results the fact that EIFS is typically less expensive than alternative cladding products and has the widest range of design options (you can match ANY colour, there are multiple varieties of textures, and an unlimited possible designs via architectural mouldings), you have a clear winner among the siding options available for buildings today.
View EIMA’s executive summary of the study at: http://www.eima.com/pdfs/EIMA%20ORNL%20ExecSum%20Final.pdf
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