Or bolt Unistrut to the structural members such that the tripod can be bolted to the strut.

On 9/8/2010 4:43 PM, Jeremy Parr wrote:
On 8 September 2010 12:53, Mike Hammett <[email protected] <mailto:[email protected]>> wrote:

     I am looking to install a tripod on a commercial rooftop.  It's the
    style with the metal framing (3' or larger spans) and just insulation
    and the roofing material between.

    What do you guys do when you have to setup a tripod on such a
    roof?  Two
    legs could probably be secured to the metal framing, but what to
    do with
    the 3rd leg is what puzzles me.

    I have installed on this type of roof before, but it was with a DSS
    mount.  I just sucked the 2 bolts holding the DSS down tight and used
    nuts and lock washers on the back side.  I may have left the remaining
    holes unsecured.  I seriously doubt I could do the same thing with
    a tripod.


Bolt Unistrut to each "foot" of the tripod, rotate the tripod so that the Unistrut is perpendicular to the metal roof, and screen in to the ridges with sheet metal screws.




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