What Is Window Putty Made Of

While the "old school" mix is just oil and chalk, modern commercial glazes (like those found in hardware stores today) often include extra ingredients to improve performance:

Absolutely. Many window restorers do. A simple recipe: what is window putty made of

This acts as the filler and the pigment. When mixed with the oil, it creates a malleable paste that can be molded by hand or a putty knife. While the "old school" mix is just oil

: Typically accounting for 10% to 15% of the mixture, this acts as the binder. this acts as the binder.