<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Joe,</div><div><br></div><div>Here in Metro Detroit we've got the same problem and my space has more or less the exact same issue that you're seeing. Otis, at this point doesn't have a tech that knows how our system even works anymore. </div><div><br></div><div>Based on some research and a chat with the guys out at Wharton Center in East Lansing who have had 2 systems recently done we are going to be looking at Serapid which is an awesome rigid chain system. </div><div><br></div><div><a href="http://www.serapid.com/">http://www.serapid.com/</a> is their website. </div><div><br></div><div>HTH,</div><div><br></div><div>PJ</div><div><br></div></body></html>