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RE: Expoxy type grout for anchor bolt

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Does this allow for the large holes?  I couldn’t find any reference in my catalog that it was acceptable to use larger holes?  I assume the epoxy would shrink and crack in a large hole.  Perhaps I assume wrong.





From: David Fisher [mailto:dfisher(--nospam--at)]
Sent: Tuesday, August 23, 2005 2:00 PM
To: seaint(--nospam--at)
Subject: RE: Expoxy type grout for anchor bolt




Try the Hilti “HY-150” threaded rods anchor system…






David L. Fisher  SE  PE

Senior Principal

Fisher + Partners Structural Engineers inc

372 West Ontario

Chicago 60610        



312.573.1726 fax

312.622.0409 mobile        


David L. Fisher  SE  PE


Head of Design and Construction

Cape Cod Grand Cayman Holdings Ltd

75 Fort Street

Georgetown Grand Cayman BWI

mobile 312.622.0409












From: Rich Lewis [mailto:seaint03(--nospam--at)]
Sent: Tuesday, August 23, 2005 1:55 PM
To: seaint(--nospam--at)
Subject: Expoxy type grout for anchor bolt


Is there a product for grouting anchor bolts in large holes?    Typically, from what I’ve seen, most epoxy anchor holes are slightly bigger than the bolt diameter. 


I have a project where the anchor bolts were not installed correctly.  The contractor wants to core 2-3” diameter holes for installing new bolts.  I was wondering if there was a product that would bond to the bolts and a hole that big.  The anchor diameters are ¾” & 1”.