How to Fix Everything For Dummies
Explore BookAlso check out these other articles on replacing broken window panes in: steel-casement windows; sliding-sash windows; and metal storm windows.
Use the pliers to remove all of the glass shards.
Use the heat gun to warm the old putty; and then scrape it away with a putty knife.
If the putty doesn’t lift off easily, apply more heat and try again. Be patient — the putty around really old windows is as hard as concrete, but it will soften.
Don’t chisel out the old putty — you might wreck the window. The putty will soften with enough heat and time.