Next came the cosmetic seal. He rolled more snakes of putty. This part was an art form. You had to press the putty into the gap between the glass and the frame, then use the knife to bevel it at a 45-degree angle. The goal was a smooth, clean line that shed water.
Every time he pried a piece of glass, the frame groaned. The tiny metal glazier’s points—little triangular anchors—were rusted in place. He had to use needle-nose pliers to wiggle them free without gouging the soft wood of the sash. diy window pane replacement