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How to replace window pane (Continued) Window Panes

A cracked window pane can be a nuisance. It can also be an opportunity to upgrade your glass to energy efficient or insulated windows, and benefit from more comfort, higher resale value and reduced utility bills.

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

Glass

If your single pane windows are old damaged, cracked or deteriorating replacing them with modern glass that is tempered or insulated can increase energy efficiency and decrease noise while also preserving the original character of older homes. Most homeowners with basic hand tools can replace the window pane. In addition to a new pane, the following components are needed: 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 beginning. Working with broken glass could cause serious injuries.

Take away any broken glass pieces remaining. It is recommended to use pliers however a flathead could work as well. Then, use a wood chisel or putty knife remove the remaining old putty from the frame and the sash. Be careful to not scratch the window sash. Take your time and work slowly. It is best to do this using a sturdy ladder rather than on the ground and place someone on the sash to help hold it in place.

Once you have removed all the old putty, prepare the window frame for the new pane. To allow for seasonal expansion or contraction by subtracting 1/8 inch from the measurements of the width and height. Bring these measurements to a hardware store or home center, and have a piece of stock glass cut to size. You can also cut the glass yourself, if you have the tools you need.

After putting in the new glass, apply a small amount of caulking on the edges. This will make the glass weatherproof. Then, place a glazier's tip on each side of the frame to secure the pane into place. The points should not be so tight as to cause friction between the sash and the frame but they should not be too loose.

Before applying the putty, make sure to knead it until it is soft and free of lumps. Then make it into pencil-sized strips. Apply the first strip to the frame's corner. Work from one corner to the next and ensure that it is even and Replace Window Pane smooth.

Glazier's Points

The glazier's points are tiny triangular pieces of steel that help secure the glass to the frame without causing any damage to the fragile surface. It's simple to learn how to use this nefarious tool, and you'll save money on the cost of an installation by a professional.

After getting rid of the old putty glazier points, and any other leftovers Clean the frame thoroughly with an utility knife. Lightly sand the wood into the rabbet grooves to smooth rough areas. If you sand wood cover it with painter's tape to protect it from damage caused by accidental sanding.

Note down the dimensions of the frame. Take these dimensions to an hardware store or home center and request that the new pane cut smaller than the frame's opening. This will ensure a tight fit and will allow room for expansion and contraction.

Place the new pane in the frame and push it in with your hands. Use the chisel's point, or the back of the putty knife to tap the glaziers' points as shown in Figure 11. After you're done, the points should be flush 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 as well as the edges of the 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 layer of linseed. This will stop the new putty drying out or cracking due to the moisture it absorbs. Apply the coating using a brush this coat, or the tip of the blade. Then, use the chisel on the back of the tool or the back of the handle to gently hammer the new sash or glazier's point into grooves of the rabbet. Repeat this procedure every 10 inches around the frame's perimeter.

Putty

A baseball hit, a rock thrown in error, or a fallen tree could result in a broken or cracked window pane. Fortunately, the majority of windows can be replaced by simply putting a new piece in the right place. The glass is held in place 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 remove the old one and clean up the area using an abrasive and the pull-type paint scraper or an abrasive wood chisel. Wear protective glasses and gloves when working. You'll require a heat gun in the event that the window is glued into the frame.

If you are planning to replace the original sash in the future, take care to remove any molding pieces that hold the old pane in place. Then sand the sash to ensure it's smooth and ready to be re-caulked. After the sash has been re-installed and sanded, apply a fresh caulk made of silicone around the glass to ensure that it doesn't swell or fade over time.

Remove the glazing points from the rabbets. These are the grooves on the sash where the glass is located. If they're hard to chisel, use an instrument such as a heatgun over them to allow them to soften before. If you're using a heated gun, be cautious not to scratch the railings or sash by placing the tool too closely.

Make the bed for your new pane after removing the old glaze and putty. Roll a piece of glazing compound between your hands, shaping it to be around 1/2-inch thick. Place it into the rabbets where the glass will be put. It's important that the glass is positioned against the putty on each side So if you have to do so, gently tap the glass into the rabbet with your thumb.

If the new pane has damaged, you can use the silicone caulk or glass glue based on solvents to cover the crack prior to pressing it in the sash. Otherwise, you'll need to apply putty on the crack to create a tight seal and keep water out. Once the putty is dry remove the oily film from the glass and let it dry completely before painting. If you paint before the putty has completely dry, it will not form a strong seal and may be leaking or discoloring over time.

Paint

You may be concerned about replacing a damaged piece of glass window replacement. In reality, replacing a single piece of glass doesn't have to be expensive even if you do it your own. In fact windows with double panes can be replaced for a fraction of the cost of a professional.

First, if you're working on a large-sized window, make sure it is securely fastened to the frame. By using the correct tools and techniques to complete this task easily and speedy.

If you're ready to begin with the removal of the old window pane by removing the glazing points of metal that are attached to it. These are small metal triangles which act as "nails" that hold the window in place. They are submerged beneath a bead or glazing glue that sets to form solid wedge that holds the frame firmly in position and hides the points.

After removing the old pane, clean the frame and wood. Scrape away any old 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 shade as the rest of the frame. After the sanding process, apply a coat of flax oil on the wood's surface to help extend its lifespan.

Next, measure the width of the window's opening. You will need to measure the horizontal and vertical dimensions of the entire opening as well as the thickness. To determine 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 in times of seasonal changes. You can bring these measurements to a hardware store or home improvement shop and get 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.