Replacing French Door Glass
Replacing a broken piece of glass in a French door is a simple DIY project. Cleaning the glass, removing trim and molding and then putting in a new pane of glass is all that's required.
French doors have multiple glass panes, which are separated by muntin bars. These are also called mullions. They are available in a variety configurations and can include triple-pane glass to increase energy efficiency, reduce sound and reduce glare.
How to Replace a Broken Pane of Glass
Wear rubber gloves and safety goggles before you begin to replace the glass. This will shield you from any broken glass fragments that could fall during the process. Also, work in a garage or other open space and keep children away from the area. It is recommended to remove the window frame from the sill for better accessibility and maneuverability, but you can also replace a pane without taking the entire window out of the frame.
Begin by scraping away any old glazing compound or caulking around the edges of the sash with a putty knife. Be careful not to damage the wood molding that holds the window in place because you'll require it later to hold the new pane.
If you are working with a steel casement window it might be held in position by metal glazing points. These points, as well as the old putty, have to be removed prior to you can take the pane from the frame. Paint scraper or chisel will work. If the putty is hard to remove, you could make use of a heat gun to soften it. Keep the heat gun approximately one inch from the glass and move it back and forth to spread the heat. Place two sheets of aluminum foil on the other panes to stop them from cracking due to the heat.
Once the old glass has been removed, clean the inside of the window sash using a damp cloth to wash off any dust or dirt. Then, you can put in a new glass pane.
To cut a glass piece to size first, measure the width and height of the opening. To order a new glass pane that fits into the door frame, take these measurements and subtract an eighth inch from each side. Many hardware stores will cut a piece of glass for you if you supply the measurement.
Warm a handful of putty in your hands, then roll it into a rope that is 3/4 inch thick. Place the putty on one side of the rabbet, and rest your putty knife's blade at a 45-degree angle to the frame's rabbet. The knife should be pulled across the edge of the glass in a straight, smooth line to cut a piece of the pane. Repeat with the remaining edges of the glass, and then scrape off the excess putty.
Take the broken Pane
A damaged pane of glass in a French-styled door is not only an eyesore, but it can also be a safety risk. Replacing a glass pane in a French door is done in a few simple steps and is usually much less expensive than replacing the entire door panel. The majority of homeowners can complete this task themselves, though professional assistance is available if the task requires special tools or skills.
Begin by removing the broken sheet of glass, and taking care to clean any cracked or shattered fragments from the frame. It is essential to wear gloves and goggles to avoid getting shards of glass in your face or eyes. Then, clean the glass pane opening to get rid of any caulking or putty used to hold the old pane in place.
Next, you need to take off any molding or trim that held the pane of glass in place. It could be difficult to pull the molding off. Wearing protective equipment and having a person help you in the process of prying is an excellent idea. It is also an excellent idea to identify the pieces you're taking off, so that you can put them back at the right time.
Once the molding has been removed and the molding is removed, you can begin putting in the new glass pane. Measure the dimensions of the opening for the glass pane, and then go to an establishment that sells glass to purchase a piece glass that is new for your French door. It is a good idea to get a piece of safety glass, as it won't break as easily in the event that your French doors break again.
When you are ready to place the glass inside the opening, make sure that it is placed properly. Then, you can apply a thin bead of clear silicone caulk around the glass's edge.
You can change the molding after the caulk dries. If the original nails didn't penetrate the molding, you can hammer in new wire nails to fill in the holes left behind by the old nails. By drilling the holes prior to drilling, you can prevent the nails from splitting through the molding. You can drill the holes using very thin bits from hardware stores that are well-stocked.
How to cut a New Pane Of Glass
Before you purchase a new pane of glass, ensure that the frame's dimensions and the edges of the window are even. You may have to adjust spring clips or metal triangulars that keep it in place if there are gaps. Also, you should ensure that the new pane you purchase is the correct size for the opening. If it's too big, you may experience leakage and other problems.
The first step is to prepare an area for work. Scrape the old compound off both sides of the frame using a putty blade reveal the bare wood. If the rabbets are too rough for you to smooth using the putty knife, lightly sand them and apply an exterior primer. This will stop the new glaze from drawing moisture from the wood, which will reduce its life span.
Once the frame is clean and ready and ready to be used, warm a few tablespoons of putty by kneading it until soft and malleable. Apply a thin layer with the blade of putty to the inside corners of the rabbets to create a bed that the glass can rest. Repeat the process for the other exposed edges of the rabbets.
Remove any remaining metal points that remain in the sash's grooves after the putty has dried. Before you attempt to remove them, you should wear a pair of safety goggles to shield yourself from glass fragments. Heat guns on low settings can be used to gently heat the metal, allowing it to loosen so you can take it off using pliers.
When the frame and glass are in place, test it by sliding it into place. Make any necessary adjustments prior to fixing it with spring clips or metal triangles. Ensure that the gap between the frame and the glass is even and uniform across all sides. You can also check the sash's movement to ensure that the new glass will not hinder opening or closing the window. Speak with a restoration specialist if you encounter any problems during the installation. They can help you repair and maintain your home's historic features.
Install the Pane of Glass

Test-fit the glass pane to ensure it is snug before installing it. Take measurements of the width and height of the window opening by measuring from the outside edge of the L channels. Subtract 1/8 of an inch from each measurement to determine the glass size you need. taunton french door handle repairs will be easier to install the glass when you are a little smaller than. This will also allow for seasonal expansion and contracting of the wood frame. Take your measurements to a hardware store or home center, and let them cut a piece glass for you. You can also cut the glass yourself if you happen to have a huge sheet of stock glass handy.
Once the old pane of glass has been removed, remove the window sash grooves, and remove any glazing points made of steel that held the old pane in place. A pull-type paint scraper or a chisel can be used to accomplish this task. If the grooves have an abundance of putty that is hardened, you can gradually soften it with a heat gun. Be sure to cover windows and molding with aluminum foil to shield them from the heat.
Scrape and sand the rabbets on which the glass is placed, then brush an exterior primer over them to help prevent the putty from absorbing its natural oils and reducing its life. It is also recommended to clean the sash in order to remove any dirt and dust from the grooves.
Knead a small amount putty until it's soft and warm and then press it into the rabbets where the glass will go. The appearance of the glass isn't crucial at this stage. Press the new pane in the rabbets and then move it with your fingers.
Fill any holes in the frame with silicone caulk. Then, you can install the new glass. If the frame is equipped with other fixing mechanisms, such as L channels, you can use a hammer and pry them out of the sash grooves. Remove any shards that may have come loose when removing the frame. Finally, put a coat of clear silicone caulk over the bottom of the frame, where it joins the floor to keep pests and water out of the home.