Depends on the POCO - I often install higher (I'm a tall guy - so most things get installed at my eye level... ) And often I use 1/4 lags, but in a pinch will use #10 screws with no flack what-so-ever..... 1 hole straps too... Then again most risers here in SF are up at 18-20'+ depending on where I can get past the windows - so it gets 3-4 straps and rare to have to go over a roof line with a periscope.