News and KnowledgeAbout usPartner's Club RoofingWaterproofingTechnical DataSustainabilityProven Performance   Certified Polymer Thickness Fire Performance High Wind Performance Membrane Formulation Milestone Management Oldest Roofs   Proven Performance | Oldest Roofs   Sika Sarnafil's Oldest Roofs Sika Sarnafil’s “winning formula” has been proven to last for decades on facilities as diverse as high rises, museums, retail stores, sports arenas and schools. We have numerous roofs that are currently over 25 years old – and still performing – proving our ability to pass the test of time. A recent study tested 44 of Sika Sarnafil's oldest roofs throughout the world.  The study included testing the physical properties of the samples as well as glass transition temperature and hail impact.  Click here to read the results of the study. Testimonials Charrette Woburn, MA -- near cold Atlantic Ocean with snowy, sub zero winters. 31+ years Community Memorial Hospital Oconto Falls, WI -- blistering cold winters, vast freeze/thaw cycles 29+ years Robbins Hall, University of California - Davis Davis, CA -- environmentally-sensitive teaching laboratories 28+ years First United Methodist Church Laconia, NH -- freezing winters, hot summers 33+ years North Thurston High School Lacey, WA -- extended exposure to rain 26+ years Hughes Road Elementary School Dickinson, TX -- extreme heat and humidity 24+ years © 2006 Sika Sarnafil | 100 Dan Road | Canton, MA 02021 | 800-451-2504 | webmaster.sarnafil@us.sika.com Legal Disclaimer