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How to Replace Window pane Window Panes

A damaged or cracked window can be a nuisance. This could be an opportunity to upgrade your windows to energy efficient or insulated ones to enjoy benefits such as improved comfort, increased resale value and reduced utility costs.

You can do it yourself for a fraction of what it would cost to hire an expert. It requires the right equipment and an hour or two of your time.

Glass

If your single-pane windows are outdated damaged, cracked or deteriorating replacing them with modern glass that is tempered or insulated will increase energy efficiency and decrease noise while preserving the historical integrity of older homes. The process of replacing windows is easy and can be accomplished by homeowners with basic hand tools. In addition to a new pane, the following tools are required: latex glazing putty; Glazier's points; pliers and an electric heater to warm the old putty, if necessary. Wear safety goggles and gloves prior to beginning. Working with broken glass could result in serious injuries.

Take out any broken glass replacement windows pieces remaining. It is recommended to use pliers however a flathead could be used as well. Make use of a wood chisel or putty knives to remove any old putty remaining around the frame and the window sash. Be careful not to damage the window sash. Take your time and work slowly. This should be done on an elevated ladder, not on the ground. Also, ensure that someone lower to hold it steady.

After you've removed all the old putty, it is time to prepare the window frame to fit the new pane. Take measurements of the width and height of the sash opening and subtract 1/8 inch from each measurement (to allow for seasonal expansion and contraction). These measurements can be taken to a home center or hardware store to get cut a piece of glass stock to the proper size. Alternately, you can cut the glass yourself if have the tools you need.

After putting the new pane in place After installing the new pane, apply a small amount of caulking along the edge to make it weatherproof. Install a glazier's point on both sides of the frame. This will ensure the pane. The points shouldn't be so tight as to cause friction between the frame and sash, but they also shouldn't be too loose.

Before putting the putty on, make sure to knead it until it is soft and free of lumps. Then make it into pencil-sized strips. The first strip should be glued to the corner of the frame. Work from one corner to the next to ensure it's even and smooth.

Glazier's Points

The glazier's points are tiny triangular metal pieces which help to secure the glass into the window frame without causing damage to the delicate surface. Understanding how to use these hidden tiny helpers is simple and could save you money on a professional installation or the cost of new glass.

After the old putty as well as glazier's points are removed, thoroughly clean the frame with a utility knife to eliminate any remaining residue. If necessary it is necessary to lightly sand the wood along grooves of the rabbet to smooth rough spots. If you decide to sand the wood, make sure to protect it with painter's tape to avoid accidental damage.

Take the dimensions of the frame and record precise measurements. These measurements can be taken to the hardware or home center store, and the new frame will be cut to a smaller size. This will ensure a tight fit and will allow room for expansion and contraction.

Place the new pane in the frame and push firmly using your hands. Use the point of the chisel, or the back of the putty blade to tap the glazier's points as illustrated in Figure 11. When you're done, they should be level with the top edge of the pane and the shoulders that are raised of the points should be below the rabbet's rim groove.

Apply a small amount of glazing compound over the edges of the new glass and into the rabbet grooves to seal and protect them. Allow it to dry and cure completely.

Install the new window sash when the glazing compound has dried. First, you need to coat the wood with a thick layer of linseed. This will keep the new putty from soaking up the moisture and drying out and cracking over time. Apply the coating using a brush this coat, or the point of the putty blade. Then use the chisel on the back of the putty tool or the back of the handle to gently hit the new sash, or glazier's tip into the rabbet grooves. Repeat this process at intervals of 10 inches all around the frame.

Putty

A hurled baseball or a rock that is errant or a falling branch can cause a window to break or crack. The majority of windows can be replaced easily by simply putting in a fresh piece. The glass is held in position by a small metal clip, referred to as a glazier's point and putty. This compound is also called glazing compound. Before installing a new pane, first get rid of the old one and clean the area using an abrasive and a pull-type paint scraper or an abrasive wood chisel. Wear protective glasses and gloves while working. If the window is secured to the frame, you'll need to make use of a heat gun to soften the adhesive prior to cutting it loose.

If you plan to reinstall the original sash in the future, take care to remove any pieces of molding that secure the old pane. Sand the sash until it's flat and ready for new caulk. After the sash has been re-installed and sanded, apply a fresh caulk made of silicone around the glass to ensure that it won't leak or discolor as time passes.

Remove the glazing points from the rabbets, the grooves in the sash, where the glass sits. If they're difficult to work out, try placing an instrument like a heat gun over them to soften them first. When using a heated tool, be careful to avoid damaging the sash and its railings.

Make a bed for your new pane after removing the old glaze points and putty. Roll a rope of glazing compound between your hands, shaping it to be about 1/2-inch thick. Press it into the rabbets, where the glass will be put. It is essential that the glass is positioned against the putty on both sides If you have to, lightly tap the glass into the rabbet using your thumb.

If the new pane has a crack you can fill it with a solvent-based glass glue or silicone caulk before pressing it into the sash. Otherwise, you'll need to putty over the crack to form a tight seal and keep water out. Once the putty is dry remove the oily film from the glass and Replace Window pane allow it to dry completely before you paint. Paint before the putty has completely dried. It will not make a strong seal and may leak or discolor with time.

Paint

You might be worried about replacing a broken piece of glass. But the truth is that replacing a single glass pane doesn't have to break the bank if you do it yourself. Even a double-paned window could be replaced for a fraction of the price it costs an expert.

If you are working with a large glass window first, ensure that it is securely attached to the frame. Using the proper tools and techniques, you can complete this task easily and speedy.

When you're ready to start, begin by removing the old window by prying out the glazing points made of metal that are connected to it. These are tiny triangles of metal that act as "nails" that hold the window in place. They are buried beneath a layer of glazing putty that is then cured to form a solid, formed wedge that secures the window in place and hides the edges.

After removal of the old pane clean the frame and wood. Scrape away any paint and sand down the rabbet grooves where the glazing points were. These should be sanded to bare wood so that you can paint them the same color as the rest of the frame. After sanding, apply a layer of flax oil to the wood's surface to help extend its lifespan.

Then, take measurements of the dimensions of the window's opening. You'll need to determine the vertical and horizontal dimensions of the entire opening, as well as the thickness. Subtract 1/8 inch from each measurement to ensure that you have the exact size for the new pane. This will allow for seasonal changes in the glass. You can take these measurements to a hardware store 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.