Question: T-Top Bonding?

[BigTom1957]

I have a set of mirrored glass (PPG) T-Tops that I think the bonding of the frame to glass is coming loose? Does any one know what is used to bond the glass to the frame?

 

[Peer81]

Also from an 81? Would be the third I know off...
Just a few weeks ago:
http://www.corvetteactioncenter.com/forums/showthread.php?t=101913

Groeten Peter