[TowerTalk] UST base grouting

K7LXC at aol.com K7LXC at aol.com
Tue Aug 15 08:23:39 EDT 2006

In a message dated 8/13/2006 11:35:11 A.M. Pacific Daylight Time,  
towertalk-request at contesting.com writes:

>  A friend and I were discussing his installation of a UST  TX-455. I
mentioned that it's a good idea to use a non-shrinking grout  under the
base. To which he replied that UST said that grouting isn't  needed if
the leveling bolts are used. I checked their website and the  TX-455
foundations diagram does state this.

>  I was  thinking that if the leveling bolts are used that is when grouting
was  needed. If for nothing else to keep water from standing around the
bolts.  Doesn't the grout provide some load support for the base? And if
you don't  use leveling bolts and the base is setting directly on the
slab how could  you use the grout.
    Yes, the grout takes some of the vertical load -  that's why you're 
supposed to use non-shrink grout. The problem is that it's  not easily available. I 
get mine thru a masonry supply store but they don't  sell at retail. Your big 
box hardware stores are hard pressed to have it so  using it becomes a little 
Steve    K7LXC
Professional tower services for hams
Cell: 206-890-4188


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