Posted 3/30/2012 13:55 (#2313159 - in reply to #2312135) Subject: Re: Retrofitting a larger manhole into an existing grain bin?
SC PA
You can buy the Sukup manhole separate. Part # B5380. But the riser that comes with it does not have a lip on it to bolt down flat onto the roof. You have to cut your hole in the roof sheet about 1-1/2" smaller all the way around, and then bend that edge up inside the riser. Clear as mud?
Retrofitting a larger manhole into an existing grain bin?
