Ul- U465 - JLC-Online Forums
Jul 3, 2008 · Location: North/Central FL. Posts: 784. #2. 07-03-2008, 09:55 PM. Re: Ul- U465. 6"x20g. runs me about .68 plf in N/Central FL. I build to U465 often and there isn't a need for a firestop other than a sealed top track (as far as my municipaility goes, anyway). ALso make sure to stagger your joints 24" from one side of the wall to the other.
Fire rated partitions - 1hr and 2hr - JLC-Online Forums
02-18-2007, 06:16 PM. Re: Fire rated partitions - 1hr and 2hr. 704 is the prescriptive portion of the IBC - chapter 7...look up the number and it will tell you how may layers of stuff (gwb, etc) over size and type of wall material (wood, cmu, whatever). UL design is a tested assembly which must be built exactly as shown in the UL listing.
Need a UL Listed design for a 1 hour fire rated load bearing …
Oct 1, 2012 · Hi, Does anyone have a UL listed and tested design for a 1 hour load bearing exterior wall assembly? We were looking to build the following or something similar; 1) 2x6 studs, 12" or 16" OC (this will depend on the loading of the second floor) 2) 2"-3" of Closed Cell Spray insulation applied to the exterior sheathing 3) Balance of stud cavity filled with spray applied …
fire rating with exposed wood joists - JLC-Online Forums
Aug 3, 2009 · fire rating with exposed wood joists. 08-03-2009, 02:46 PM. retail client would like to expose bottom of wood ceiling joists. in unsprinklered space. There is an apartment directly above. code calls for 1 hr. separation between different uses. Has anyone ever used a UL listed assembly or other method of satisfying.
1HR Separation Wall for Duplex (How to Assemble?) - JLC Online
Sep 10, 2013 · Because of the fireblocking issue you still need to install either 1" denseglass or a couple layers of say 5/8 at the floor plates extending a few inches above and below the wall plates. This provides the separation between dwelling units. To reiterate, it is imperative you build the wall to the UL design specified.
Welding Cable, where is it in the NEC? - JLC-Online Forums
02-20-2005, 08:40 PM. Re: Welding Cable, where is it in the NEC? Carl, in the 99NEC, 310-8 lists the cable types (TW, THHN,...) that are allowed for service/supply conductors. Welding cable might have EPDM insulation and is not rated for anything except for the secondary side of a welder. Art.630-41 (D) is about welding cables and also states ...
Furring out an existing wall - JLC-Online Forums
06-26-2007, 01:08 PM. Re: Furring out an existing wall. The plumbing for the fixtures in that room is coming from above and can be done without any stud drilling if needed. The reason for furring out the wall is because it happens to be located directly beneath a joist (not a load bearing wall), which does not allow for enough room to get any ...
Insulated Chimney Chase? - JLC-Online Forums
Apr 9, 2009 · The listing allows a max. chase temp. rise of 90*F above ambient so don't lose sleep over it. Properly installed, these fireplaces are much safer than masonry fireplaces and unlike masonry, come with a warranty and are listed. BTW, a masonry fireplace was tested to UL 127 back in 1984 and the test structure ignited!
installing fiber cement siding over rigid foam sheathing
Dec 2, 2011 · 05-27-2009, 10:48 AM. Re: installing fiber cement siding over rigid foam sheathing. I have completed several projects that use foil-faced polyiso as the exterior rigid insulation board. I install 1x furring strips vertically over the foam to support fiber cement lap siding. The furring strips are attached to the studs with 4" screws at 6" to 8 ...
Fireproof paint - JLC-Online Forums
Jun 29, 2008 · Re: Fireproof paint OK, I had to go click through their site:" It will give you fire rating depending upon surface type, non fire rated drywall, different wood types (including manufactured boards and plywood), and will even protect foam products" Looks like desire #1 above can be met "Simply paint PTP on the interior of your home or building" therefore NG for …