https://www.repairmywindowsanddoors.co.uk/chippenham-french-door-repairs-near-me/ Replacing French Door Glass Replacing a damaged pane of glass in a French door is a simple DIY project. Cleaning the glass by removing the molding and trim and then installing a new pane of glass is all that's needed. French doors are made of multiple glass panes separated by muntin bars that are functional also known as Mullions. They are available in a variety of configurations and can include triple-pane glass to increase energy efficiency, reduce sound and minimize the glare. How to replace a broken Pane of Glass Before you start the replacement process, wear a pair of rubber gloves and safety glasses to protect yourself from any fragments of broken glass that might fall off during the replacement process. Work in a space that is open such as garages, and keep kids away. It is best to remove the window frame from the sill for better access and maneuverability however, you can replace a window without taking the entire window out of the frame. With a putty knife scrape away any caulking or glazing material around the edges of the window sash. You don't want to damage the wood molding that holds the window in place. You'll need it to support the new pane. If you're working with a steel-casement windows The window may be secured with glazing points made of metal. These points, as well as the old putty, have to be removed prior to you can remove the pane from the frame. A paint scraper or a chisel should work however, if you find that the putty is difficult to get out, slowly soften it using a heat gun. The heat gun should be held about an inch from the glass and move it back and forth to spread the heat. Double-up the aluminum foil and place it on the panes that are next to it. This will stop them from breaking due to the heat. After you have removed the old glass, use a damp cloth and wipe the inside of the window sash to get rid of any dust or dirt. is now time to put in a new piece