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How to Replace Window Handle Window Panes

A damaged window pane can be an issue. It can also be an opportunity to upgrade your glass to energy-efficient or insulated windows and enjoy benefits such as greater comfort, a higher potential for resales, and less bills.

This is a project you could do yourself for only a fraction of the cost of hiring an expert. It requires the right tools and only an hour or two of your time.

Glass

If your single-pane windows are old broken, deteriorating or damaged replacing them with more modern glass that is tempered or insulated will increase energy efficiency and decrease noise while maintaining the historic integrity of older homes. Most homeowners with basic hand tools can replace a window pane. You will also require a replacement window pane, glazier's suggestions, pliers, and latex glazing putty. If you need to you may make use of a heat gun to warm the old putty. Wear safety goggles and gloves prior to beginning. Working with broken glass could cause serious injuries.

Begin by removing any remaining broken pieces of glass. This is best accomplished with the help of pliers however, a flathead screwdriver can also work in the pinch. Then, use a wooden chisel or putty knife remove the remaining old putty from around the frame and the sash. Work slowly and carefully and be careful not to break the existing window sash. This can be done best on a ladder, not the ground. Also, have someone on the ground to hold it steady.

Make sure that the window frame is ready to receive the new pane when you have removed the old glue. To allow for seasonal expansion or contraction, subtract 1/8 inch each from the measurements of the width and height. Bring these measurements to the nearest hardware store or home center and find a piece glass cut to size. You can cut the glass replacement windows yourself if you have the appropriate tools.

After putting in the new glass After installing the glass, apply caulking on the edges. This will make the glass weatherproof. Then install a glazier's point on the frame's opposite side to hold the pane in the right place. The points shouldn't be so tight that they create friction between the frame and sash, but they should also not be loose.

Before applying the putty to the surface, you must knead it thoroughly until it becomes soft and free of lumps. Cut it into pencil-sized pieces. Place the first strip to the corner of the frame, working from one corner to another to ensure it is even and smooth.

Glazier's Points

The glazier's points are tiny triangular pieces of steel that help secure the glass into the window frame without causing damage to the delicate surface. It's easy to understand how to use this secret tool, and you'll be able to save money on the expense of an expert installation.

After getting rid of the old putty glazier points and any remnants clean the frame thoroughly with an utility knife. Lightly sand the wood into the rabbet grooves if needed to smooth out rough areas. If you do sand your wood, make sure to protect it by using painter's tape to prevent accidental damage.

Measure the empty frame's dimensions and record precise measurements. Take these dimensions to a hardware store or a home center, and have the new pane cut smaller than the frame's opening. This will ensure a secure fit and will allow room for expansion and contraction.

Place the new window in the frame and push it into place firmly with your hand. Use the point of the chisel or the edge of the putty blade to tap in the glazier's points as illustrated in Figure 11. The glazier's point should be aligned with the top edge of your pane, and the shoulders should be just beneath that lip.

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

Once the glazing compound has dried it's time to put in the new window sash. First, you need to coat the wood with a thick layer of linseed. This will prevent the newly-created putty from drying out and cracking due to the moisture it absorbs. Apply this coat with a brush or the tip of your putty knife, and then use the chisel, or the back end of the knife to gently press the new sash and glazier's point into the rabbet grooves. Repeat this process every 10 inches around the frame's perimeter.

Putty

A baseball hit or a rock thrown in error, or a tree falling can result in a cracked or cracked window pane. Fortunately, windows can be replaced by simply putting a new piece of glass in its the proper place. The glass is held into the position with a tiny metal clip, referred to as the glazier's point, and putty. This compound is also known as glazing compound. Remove the old pane and clean the area with the rag, a pull-type scraper or wood chisel. Wear protective glasses and Replace window handle gloves while doing this work. If the window is attached to the frame, you'll have to make use of a heat gun to soften the adhesive before cutting it loose.

If you are planning to reinstall the original sash, take off the mold that holds the old pane. Then sand the sash to ensure it's level and ready to be re-caulked. Once the sash is installed then, you can apply a silicone caulk on the glass. This will ensure that it doesn't leak over time or discolor.

Remove the glazing points from the rabbets, or the grooves in the sash where the glass is. If they are hard to cut, place an instrument such as a heating gun over them for a few minutes to soften them. If you're using a heating gun, make sure not to cause damage to the railings or sash by placing the tool too close.

Prepare the bed for your new pane by removing the old glaze points and putty. Roll a rope made of glazing compound between your fingers, and then make it about 1/2 inch thick. Then, press it into the rabbets in which the glass will be. It is crucial that the glass is positioned against the putty on each side, so if you need to do so, gently tap the glass into the rabbet with your thumb.

If the new pane has a crack then you can seal it with a solvent-based glue or silicone caulk prior to pressing it into the sash. If the crack is not sealed, you will need to use putty to keep water out. When the putty dries and the film is oily, wipe it off the glass using a rag and allow it to completely dry before painting. Paint before the putty has completely dried. It won't form a good seal and could leak or discolor with time.

Paint

If you've suffered a break in a window pane, you may be worried about the cost of replacing it. It's true that replacing a single piece of glass doesn't need to be expensive if you do it on your own. Even a double-paned window can be replaced for a fraction of the price it costs an expert.

If you are working on a large window, ensure that it is securely fastened to the frame. This is relatively easy and fast using the proper tools and techniques.

When you are ready to begin, remove the old window pane. Remove the metal glazing points that are attached to it. These are small metal triangles that act as "nails" to hold the window in the frame. They are placed under a bead of glazing putty that hardens into a solid, formed wedge that secures the window in place and hides the edges.

After removing the old pane, clean the frame and the wood. Scrape away any paint and sand down the rabbet grooves, where the glazing points were. They should be sanded to the point of being bare, to allow you to paint them the same shade as the rest of the frame. After the sanding process, apply a coat of flax oil on the wood that is not sanded down to help extend its lifespan.

Then, you need to measure the width of the window opening. You will need to take vertical and horizontal measurements of the entire opening and also the thickness of the old pane. To determine the exact dimensions of the new pane subtract 1/8 inch from both measurements. This will also allow for expansion and contraction of the glass during seasons of changes. You can bring these measurements to a hardware or home improvement store and have the glass cut 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.