On Fri, 5 Nov 2010 23:31:58 -0400, "Barry" wrote:

The addition of a new metal roof to my home has prompted my interest in a
small rooftop tower.

...............

My application, by the way, is to support a 43-foot vertical and small
Yagi's for 6- and 2-meter SSB.

I have one Glen Martin product, a ground rod driver that is
beautifully made and very effective.

Otherwise on your roof mounts, it would seem the trickiest part would
be drilling blindly through your roof to attach the rather substantial
Glen Martin towers to attic beams. Plus whatever leaks the process
might create.

Bob
k5qwg