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Patrick Bickler <br /> From: Joe Potts Upotts@stifrestop.com] <br /> Sent: Wednesday, November 30, 2016 9;10 AM <br /> To: Patrick Bickler <br /> Cc: Justin Evatt <br /> Subject: RE: STI Tech Service update for Case#216175 <br /> Attachments: N530516005-A Beggs Construction Building_Pat Beggs Construction 3 hr gyp....pdf; <br /> PDS_Mineral Wool.pdf; PDS_ES Elastomeric Sealant.pdf; PDS_LCI Intumescent Sealant.pdf <br /> Mr. Bickler: <br /> I have attached the requested product data sheets as requested. However, it is important to <br /> understand that it is not the products themselves that carry the rating, it is how those <br /> products are used in a tested assembly. <br /> I have also attached a revised judgment that increases the sealant depth to 1" in order to <br /> more closely compare to HW-D-0491. The revised judgment also includes the additional <br /> reference HW-D-6041 demonstrating a 3hour rating can he achieved with only 1/2" thickness of <br /> sealant without mineral wool in the joint. Mineral wool will still be required as a backer in <br /> the flute space. <br /> The engineering judgment provided references two tested systems that are similar. C-JD-0002 <br /> is for a gypsum wall terminating at a non-rated roof deck demonstrating that a rating can be <br /> achieved when sealing to a comparable non-rated roof; and HW-D-0491 is for a gypsum wall <br /> terminating at a concrete over fluted steel deck . <br /> lir I hope you find this information helpful. Feel free to contact me if I can be of further <br /> assistance. <br /> Joe Potts, CEPS <br /> Specified Technologies Inc. (STI Firestop) <br /> 210 Evans Way <br /> Somerville, NJ 08876 <br /> ipottsastifirestop.com <br /> www.stifirestop.com <br /> CONFIDENTIALITY NOTICE: This email transmission, and any documents, files or previous email <br /> messages attached to it may contain confidential information that is legally privileged. If <br /> you are not the intended recipient or a person responsible for delivering it to the intended <br /> recipient you are hereby notified that any disclosure, copying, distribution or use of any <br /> the information contained in or attached to this transmission is STRICTLY PROHIBITED. If you <br /> have received this transmission in error, please immediately notify the sender. Please <br /> destroy the original transmission and its attachments without reading, printing, retaining, <br /> copying, disseminating, or saving it in any manner. Thank you, Specified Technologies, Inc <br /> Original Message <br /> From: Patrick Bickler [mailto:archpb,®gwestoffice,net) <br /> Sent: Tuesday, November 29, 2016 7:11 PM <br /> To: Joe Potts <ipotts(dstifirestop.com> <br /> Cc: Justin Evatt <ievatt(dstifirestcp.com> <br /> Subject: RE: STI Tech Service update for Case#:216175 <br /> 1 <br />