Replies

1. 
   dieselpig | Jun 29, 2004 05:39am | #1

   I've always used RedHead 1/2" X 6" or 8" wedge bolts when I need to add an anchor.  Not sure what I'll use now with the new ACQ sills though.

1. 
   AaronRosenthal | Jun 29, 2004 06:09am | #2

   Aren't the Hiltis stainless steel? Just a fast reaction, without having checked the Hilti site.Quality repairs for your home.

   Aaron the HandymanVancouver, Canada

1. 
   TrimButcher | Jun 29, 2004 07:36pm | #7

   The Redheads can be SS or regular carbon steel, depends on the box.

   Regards,

   Tim Ruttan

2. 
   jonblakemore | Jun 30, 2004 12:39am | #9

   Out of curiousity...

   Do you need 6-8" bolts? It seems to me that the minimum embedment is all you need, as expansion bolts only hold at the end of the shank. Are you going deeper to get more concrete over the stress point? 

   Jon Blakemore

1. 
   dieselpig | Jun 30, 2004 02:45am | #11

   Oh man, Jon, you've got me all wrong......I'm not that smart!

   In all honesty (I can hear the gasps already).......cuz that's what's on the truck!  I usually have RedHeads between 6" and 8" on the truck for use with Simpson AB66's....so in they go!

   FWIW.... another poster (pardon for forgetting who) recommended epoxy in the hole.  I'll throw that in too if it's on the truck. 

   I also remember a job a few years ago replacing failed headers in a garage.  While I was there I noticed that the garage walls were not attached in anyway (maybe a Ramset pin or two)  to the slab.  The enginneer who specced out the header fix came back out and recommended a hammer drill and Redheads every 48".  I think that is how I've probably justified the RedHeads since then.

2. 
   cardiaceagle | Jun 29, 2004 09:40am | #3

   I think the proper way would be to drill and epoxy a new bolt.

     I am assuming this is for the top of a foundation wall. If this is

   correct ,I think a expansion bolt would not be the way to go.

                                                                 regards

1. 
   dieselpig | Jun 29, 2004 01:47pm | #4

   You're right!  Now, can you show me your hammer drill bit for those "J" bolts?

1. 
   brownbagg | Jun 29, 2004 02:33pm | #5

   use the expandion bolt with epoxy. sometime the epoxy does not mix correctly.

2. 
   cardiaceagle | Jun 29, 2004 11:15pm | #8

   lol......just put a lot off body english on that hammer drill to get

   that "j" bolt in.               regards

3. 
   Sasquatch | Jun 29, 2004 05:42pm | #6

   I use the Hilti 1/2" bolts.  As I understand it, fasteners of 1/2 inch or greater are acceptable with the new ACQ and do not have to be hot-dipped galvanized.

4. 
   WayneL5 | Jun 30, 2004 12:55am | #10

   Expansion bolts are set in deeply because if the wedging action is too close to the surface then the surface can break off and the anchor pull out.  It's more likely in tension loading.

   Epoxy anchors are the best way to go in the top of a wall because expansion anchors can crack apart the top of the wall.  To be sure, you'd have to check the specifications on an expansion anchors you are considering for how close to an edge you can put them.  You compound the problem if you put them close together in a line.  If the specs don't allow expansion anchors, you'll end up using epoxy anyway.  Follow the instructions when installing.