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Phillip Smith, P.E., M.ASCE

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Posted By Phillip Smith 11-17-2017 12:31 PM
Found In Egroup: Integrated Buildings & Structures
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​FM Approvals Standard 4470 "vegetative Roof Systems includes an evaluation or Root barriers used with these systems in addition to other requirements. The standard can be reviewed at RoofNav-Login Page under reference materials TAB. Systems meeting this standard can be found under Products - Surfacing ...