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ASCE 7, Uplift Ratings and Warranties

Posted By Western States Roofing Contractors Association, Monday, July 15, 2019

Greetings WSRCA Members,

As a follow-up to the Western Roofing Expo Seminar “Roof Wind Speeds: ASCE 7, Uplift Ratings & Warranties” Brian Chamberlain of Carlisle Construction Materials is releasing his PowerPoint presentation to the WSRCA membership for their roofing design library.
An ongoing issue that frustrates the industry as a whole is the confusion in how a roofing assembly will meet the building code, will meet an uplift rating, and be warranted based on local wind speeds. Since local wind speeds is the common factor in all three, an understanding of how wind speed is used associated to each needs to be clarified. This presentation focuses on the process, from uplift to warranty.



All rights reserved.  All content (text, trademarks, illustrations, reports, photos, logos, graphics, files, designs, arrangements, etc.) in this Technical Opinion (“Opinion”) is the intellectual property of Western States Roofing Contractors Association (WSRCA) and is protected by the applicable protective laws governing intellectual property. The Opinion is intended for the exclusive use by its members as a feature of their membership. This document is intended to be used for educational purposes only, and no one should act or rely solely on any information contained in this Opinion as it is not a substitute for the advice of an attorney or construction engineer with specific project knowledge. Neither WSRCA nor any of its, contractors, subcontractors, or any of their employees, directors, officers, agents, or assigns make any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or any third party’s use (or the results of such use) of any information or process disclosed in the Opinion.  Reference herein to any general or specific commercial product, process or service does not necessarily constitute or imply its endorsement or recommendation by WSRCA. References are provided as citations and aids to help identify and locate other resources that may be of interest, and are not intended to state or imply that WSRCA sponsors, is affiliated or associated with, or is legally responsible for the content reflected in those resources. WSRCA has no control over those resources and the inclusion of any references does not necessarily imply the recommendation or endorsement of same.


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Richard Norris, Norris Consulting Services says...
Posted Friday, July 19, 2019
Is it possible to permit downloading of this PowerPoint file, either in PowerPoint or PDF format?
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Hi Richard! As a member of WSRCA, I can email you the document directly. Please look for my email from
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