Membrane and Flashing Condition Indexes for Modified Bitumen Roofs: Inspection and Distress Manual
ENGINEER RESEARCH AND DEVELOPMENT CENTER CHAMPAIGN IL CONSTRUCTION ENGINEERING RESEARCH LAB
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The U.S. Army is currently responsible for maintaining millions of square feet of modified bitumen roofing on its facilities. Modified bitumen roofing systems share a number of characteristics with other common systems, but they also employ certain unique materials and therefore have their own specialized distress and degradation mechanisms. Dedicated inspection guidance and condition index calculation methods are required to quantify the condition of an installations modified bitumen roofing assets in order to make the best use of Army maintenance and repair resources. This document was developed to provide roof inspectors with a standard reference for performing inspections, and calculating a flashing condition index FCI and membrane condition index MCI for use in facility maintenance management activities. It represents a new implementation of the widely used ROOFER Sustainment Management System for roofing asset management.
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