You’ll Never Guess This Replace Window Pane’s Tricks

How to Replace Window Panes

A damaged or cracked window is an inconvenience. It can also be an opportunity to upgrade your glass to energy-efficient or insulated replacement windows prices;, and enjoy benefits such as more comfort, higher the value of resales and lower utility bills.

You can do it yourself for less than what it would cost to employ an expert. You’ll only require the right tools and a few hours of your time.


Replace your single-paned windows using tempered or insulated glass to increase energy efficiency, reduce noise, and protect the historical integrity of your home’s older. The process of replacing the window pane is simple and can be done by most homeowners who possess basic hand tools. In addition to a new pane, the following tools are needed such as latex glazing putty; glazier’s points; pliers; and an electric heater to warm the old putty if required. Wear safety glasses and gloves prior to starting. Working with broken glass can cause serious injuries.

Take out any broken glass pieces remaining. This is best done using the help of pliers but a flathead screwdriver may be effective in the pinch. Then, use a wood chisel, or putty knife, to take the remainder of the old putty from the frame and the sash. Work slowly and carefully, taking care not to damage the old window sash. This should be done on a ladder, not the ground. Also, you should have someone lower to keep it in place.

Prepare the window frame to accommodate the new pane once you have removed the old glue. To allow for seasonal expansion or contraction and contraction, subtract 1/8 inch from the measurements of width and height. These measurements can be sent to a home center or hardware store to have an item cut from stock glass to the right size. You can also cut the glass yourself, if you have the right tools.

After putting in the new pane, run a small bead of caulking along the edge to make it weatherproof. Then install a glazier’s point on the frame’s opposite side to secure the pane into its place. The points should not be so tight that they create friction between the frame and sash but they should not be too loose.

Before applying the putty on the surface, gently knead it until it becomes soft and free from lumps. Then, roll it into pencil-size strips. Place the first strip in the corner of the frame, moving from one corner to another to ensure it is even and smooth.

Glazier’s Points

The glazier’s points are small triangular pieces of metal that allow glass to be secured to the frame without causing damage to the delicate surface. It’s easy to learn how to use this secret tool, and you’ll be able to save money on the expense of a professional installation.

After getting rid of the old putty glazier points, and any other leftovers, clean the frame thoroughly using a utility knife. If necessary, lightly sand the wood along the rabbet grooves to smooth rough areas. If you do sand the wood, be sure to protect it with painter’s tape to avoid accidental damage.

Note down the exact dimensions of the frame. These measurements can be brought to an hardware or home centers store, and the new pane will be cut to a smaller size. This will ensure that the pane fits comfortably and allows for expansion and contraction.

Place the new pane into the frame and press it down using your hands. Utilize the point of the chisel, or the back of the putty knife to smudge the glazier’s points, as illustrated in Figure 11. After you’re done, the points should be in line with the top edge of the pane, and the raised shoulders of the points should be just below the lip of the rabbet groove.

Apply a thin layer glazing compound on the rabbet grooves and edges of new glass. This will protect and seal the edges. Allow it to dry completely and cure.

Install the new window sash after the glazing compound has dried. The first step is to coat the wood with a thick coat of Linseed oil. This will prevent the new putty from taking in the moisture and drying out and cracking with time. Apply the coating using a brush this coat, or the point of the putty blade. Then use the chisel that is on the back of the putty tool or the back of the putty handle to gently hit the new sash, or Replacement Windows Prices glazier’s point into grooves of the rabbet. Repeat this procedure every 10 inches along the frame’s perimeter.


A baseball thrown or a rock thrown by error, or a fallen tree can cause a broken or cracked window pane. Fortunately, windows can be easily replaced by simply putting a new piece of glass in its the proper place. The glass is held in position by a small metal clip, called the glazier’s point, and putty. This compound is also referred to as glazing compound. Remove the old pane and clean the area with an abrasive, pull-type scraper or wood chisel. Wear gloves and safety glasses when working. You’ll need a heat gun in the event that the window is glued into the frame.

If you plan to reinstall the original sash in the future, take care to remove the molding pieces that hold the old pane in place. Then sand the sash to make sure it’s flat and ready for new caulk. Once the sash is installed then, apply a new silicone caulk around the glass to ensure it will not leak or change color as time passes.

Remove the glazing points from the rabbets, the grooves in the sash, where the glass sits. If they’re hard to cut, place an instrument such as a heatgun over them to allow them to soften before. When using a heat tool, make sure to avoid damaging the sash window replacement or its railings.

After the old glaze points and putty have been removed, prepare a bed for the new pane. Roll a rope of glazing compound between your hands, and form it into a 1/2-inch thick. Then, push it into the rabbets in which the glass will sit. The glass must rest against the putty on both sides. If necessary you want to tap your glass replacement windows lightly into the rabbet using your thumb.

If the new pane has cracked, you can use the silicone caulk or glass glue that is based on solvents to cover the crack prior to pressing it in the sash. Otherwise, you’ll need to apply putty over the crack to create a tight seal and keep water out. After the putty has dried, wipe the oily film from the glass and allow it to dry completely before you paint. If you paint before the putty is fully dry, it won’t create an effective seal and could leak or discolor in time.


If you’ve experienced a broken window pane, you might be worried about the expense of replacing it. But the truth is that replacing one glass pane does not require a huge amount of money If you can do it yourself. Even double glazing window replacement-paned windows can be replaced at a fraction of the cost it would cost a professional.

First, if you’re working on a large-sized window, make sure that it is securely attached to the frame. This job can be done relatively easy and fast using the right tools and techniques.

Once you’re ready to begin with the removal of the old window pane by prying out the glazing points of metal that are connected to it. These are small metal triangles that act as “nails”, holding the window within the frame. They are submerged under a bead of glazing putty, which hardens into a solid, moulded wedge which holds the window in place and conceals the points.

After you have the old pane taken away Clean up the frame and wood. Scrape off any old paint and sand the rabbet grooves that the glazing points were. These should be sanded down to bare wood to allow you to paint them the same shade as the rest of the frame. After sanding, apply a layer of flax oil on the wood that is not sanded down to help extend its lifespan.

Then, take measurements of the dimensions of the window’s opening. You will need to take vertical and horizontal measurements of the entire opening as well as the thickness of the old pane. To get the exact size of the new pane subtract 1/8 inch from both measurements. This will also allow for expansion and contraction of the glass during seasonal changes. Take these measurements to the hardware or home improvement store and ask them to cut you cut the glass for you.

Now, it’s time to bed the new window pane. To do this, place the pane inside the frame and move it around until a 1/16 inch of putty remains between the edge of the glass and the sash on all four sides. Use a putty knife to smear the putty evenly, making sure that there isn’t an excessive amount of excess putty in the corners and along the edges. When the putty dries, it can be painted with the same color as the frame to prevent water and air from leaking into the frame and causing fogging.

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