dshall Posted May 31, 2018 Share Posted May 31, 2018 Does anybody know who the U.L. listing forr one hour wall (Stucco and 5/8" type 'x' gyp) See pic below 1 Link to comment Share on other sites More sharing options...
Joe_Carrick Posted May 31, 2018 Share Posted May 31, 2018 Why do you need it? Is a building department requesting the UL # ? Link to comment Share on other sites More sharing options...
dshall Posted May 31, 2018 Author Share Posted May 31, 2018 The building dept. is requesting it, city of S.D>, who else? 1 Link to comment Share on other sites More sharing options...
DRAWZILLA Posted May 31, 2018 Share Posted May 31, 2018 Never seen a "UL" listing for an as built in the field wall, these listing are usually for manufactured items and shipped to the field, like a metal fireplace. Fire rating ,yes. Some pre-manufactured walls might have one though Link to comment Share on other sites More sharing options...
Joe_Carrick Posted May 31, 2018 Share Posted May 31, 2018 32 minutes ago, dshall said: The building dept. is requesting it, city of S.D>, who else? They probably are looking for the vertical section to show how the 1-hr separation is continuous thru the floors, ceiling, and roof, etc. This typically is not a problem with a single family residence (garage/house) but would be with the separation of 2 or more dwelling units. City of San Diego, who else? 1 Link to comment Share on other sites More sharing options...
Joe_Carrick Posted May 31, 2018 Share Posted May 31, 2018 Here's a link you might find illuminating: https://www.bing.com/images/search?q=1+Hour+UL+Rated+Wall&FORM=IRIBEP Happy hunting, 1 Link to comment Share on other sites More sharing options...
TheKitchenAbode Posted May 31, 2018 Share Posted May 31, 2018 If you have access to the UL Listings Handbook you will find all of the UL listed Fire Rated wall assemblies. Another possible source would be the Gypsum Association Manual which contains many fire rated/tested wall and floor assemblies. Link to comment Share on other sites More sharing options...
TheKitchenAbode Posted May 31, 2018 Share Posted May 31, 2018 Here's the link to the Gypsum Association Manual. They want $80.00 for it. https://www.bnibooks.com/gypsum/product/gypsum-fire-21st-ebook Link to comment Share on other sites More sharing options...
Kbird1 Posted May 31, 2018 Share Posted May 31, 2018 You can try searching the UL for Fire Rated assemblies too http://productspec.ul.com/index.php?type=firerated&form=full 2 Link to comment Share on other sites More sharing options...
TheKitchenAbode Posted May 31, 2018 Share Posted May 31, 2018 Great link Mick. Might be UL UC356 http://productspec.ul.com/document.php?id=BXUV.U356 Link to comment Share on other sites More sharing options...
DRAWZILLA Posted May 31, 2018 Share Posted May 31, 2018 Learn something new everyday. I have never been asked for a UL listed wall, just fire-rated. Link to comment Share on other sites More sharing options...
Richard_Morrison Posted May 31, 2018 Share Posted May 31, 2018 Most building departments will also accept the assembly item number from Table 721.1(2) in the CBC. (You can read it online for free. http://www.bsc.ca.gov/codes.aspx) Link to comment Share on other sites More sharing options...
JLDrafting Posted May 31, 2018 Share Posted May 31, 2018 http://www.usgdesignstudio.com/wall-selector-overview.asp I also use GA files. Plan reviewers will accept UL or GA files here. 1 Link to comment Share on other sites More sharing options...
TheKitchenAbode Posted May 31, 2018 Share Posted May 31, 2018 UL in the US and ULC in Canada are the two major testing agencies for determining the fire resistance times. Some building codes will reference some generic assemblies or membrane ratings, these however are derived from testing done through the likes of UL. In commercial just about all fire rated assemblies are specified by their UL or ULC listing. They must be constructed specifically as specified, no substitutions. The listed manufactures are under UL audit programs to ensure their components meet the requirements as they where when the test was conducted. Link to comment Share on other sites More sharing options...
jorgearaya Posted May 31, 2018 Share Posted May 31, 2018 Go to the gypsum board manufacturer and find the specifications for their wall assemblies (Evaluation reports) and fire rating Look up the USG Fire-Resistant assemblies book usg.com or usgdesignstudio.com Go to the cement plaster manufacturer (stucco) and find the evaluation report for their product, it will include the fire wall assemblies. (icc evaluation reports) The CBC also carries those tables just in a chapter ahead Provide the AHJ those references, because those manufacturers have to have their products tested (UL). Link to comment Share on other sites More sharing options...
dshall Posted June 1, 2018 Author Share Posted June 1, 2018 Thanks guys for the help. This seems to be busy work. 7/8" stucco on the outside, 5/8" type x on the inside, 2x4 @ 16 studs, hasn't that been a one hour wall since McAuthur invaded China. 1 Link to comment Share on other sites More sharing options...
TheKitchenAbode Posted June 1, 2018 Share Posted June 1, 2018 1 hour ago, dshall said: Thanks guys for the help. This seems to be busy work. 7/8" stucco on the outside, 5/8" type x on the inside, 2x4 @ 16 studs, hasn't that been a one hour wall since McAuthur invaded China. You are likely correct on that one. Most of the 2X4 wood stud systems where tested way back in the 50's & 60's. I don't believe there has been any 2X4 wood walls tested since then, it's a big issue as 2X4's are not what they used to be and it is most likely that those systems retested today with today's 2X4's would fail to meet their stated rating. No one wants to open up that can of worms. Link to comment Share on other sites More sharing options...
JJohnson Posted June 1, 2018 Share Posted June 1, 2018 UL has rated designs for walls and other assemblies. A guide for searching for exactly what you need is a attached FR-assembly-searches.pdf Link to comment Share on other sites More sharing options...
ascendantatlanta Posted September 14, 2018 Share Posted September 14, 2018 On V.9 and have plans just about complete. Plan reviewer wants this shared UL info along with some additions to the MEPs (can explain). Would any professional CA designers be willing to help us take these to the finish line by adding the UL info for a shared wall... adding floor loads ... and completing MEPs? Please email me. Link to comment Share on other sites More sharing options...
rlackore Posted September 17, 2018 Share Posted September 17, 2018 On 5/31/2018 at 2:16 PM, TheKitchenAbode said: Great link Mick. Might be UL UC356 http://productspec.ul.com/document.php?id=BXUV.U356 Agree. UL356 if the fire exposure is limited to the interior side. Link to comment Share on other sites More sharing options...
RGWhite Posted September 17, 2018 Share Posted September 17, 2018 How close is this wall from the property line? or other buildings? Where I work they not only look at the wall rating but the soffit and fascia rating. Link to comment Share on other sites More sharing options...
Alchemyjim Posted April 2, 2021 Share Posted April 2, 2021 They are asking for that much more lately. I submitted this to the city of Hayward. It seemed to work... Link to comment Share on other sites More sharing options...
IrvingA Posted October 5, 2021 Share Posted October 5, 2021 Did we get the UL number for the assembly of an exterior 1hr rated wall with stucco? Link to comment Share on other sites More sharing options...
IrvingA Posted October 5, 2021 Share Posted October 5, 2021 On 6/1/2018 at 9:45 AM, dshall said: Thanks guys for the help. This seems to be busy work. 7/8" stucco on the outside, 5/8" type x on the inside, 2x4 @ 16 studs, hasn't that been a one hour wall since McAuthur invaded China. Did we get the UL number? Link to comment Share on other sites More sharing options...
CCabral Posted February 27 Share Posted February 27 I realize this is 7 years late... but incase anyone else is looking for this UL listing and stumbles on this thread, I attached the PDF for UL Design No. 348. See "fire from either face" diagram with exterior facing option 8B. Ul Design No. U348.pdf Link to comment Share on other sites More sharing options...
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