What is beveled putty?
Beveled putty definition - A type of glazing compound used to secure glass in a rabbeted window frame.
Ideal Home Garden Explains
Beveled putty is used to secure windows in place. It is a type of putty that provides insulation as well as keeps the window in place. To apply beveled putty, place the glass in the window frame, and then apply the beveled putty with a beveled putty knife.