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How to Replace Window Panes

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

This is a project you could take on yourself for less than the cost of hiring a professional. You'll only require the appropriate tools and a few hours of your time.

Glass

If your single-pane windows replacements near me are old damaged, cracked or deteriorating replacing them with modern glass that is tempered or insulated will increase energy efficiency and decrease noise while also preserving the historic integrity of older homes. Most homeowners with basic hand tools can repair a window pane. Alongside a replacement windows near me pane, the following tools are needed such as latex glazing putty; pliers, glazier's points and an electric heater to warm the old putty if required. Before starting, put on gloves and safety glasses as working with broken glass replacement for window may cause injuries.

Begin by removing any broken pieces of glass. It is best to use pliers for this however, a flathead may be used equally. Then, use a wooden chisel or putty knife to remove the rest of the old putty from the frame and the sash. Be careful to not scratch the window sash. Take your time and work slowly. This is best done on a ladder, not the ground. Also, you should have someone below the sash hold it steady.

Prepare the window frame to receive the new pane once you have removed the old putty. Find the width and the height of the opening for the sash, subtracting 1/8 inch from each measurement (to allow for seasonal expansion and contraction). These measurements can be taken to an hardware or home centers store to have an item cut from glass stock to the proper size. You can also cut the glass by yourself if you possess the right tools.

After putting the new pane in place After installing the new pane, apply a small amount of caulking around the edges to seal it against weather. Install a glazier's point on both sides of the frame. This will secure the pane. The points should not be too tight that they create friction between the frame and the sash However, they should not be loose.

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

Glazier's Points

The glazier's points are tiny triangular pieces of metal that help secure the glass into the window frame without damaging the delicate surface. It's simple to learn how to use this secret tool and you can save money on the expense of a professional installation.

After the old putty as well as the glazier's point are gone and the frame is thoroughly cleaned with a utility knife to get rid of any remaining traces. If needed you can lightly sand the wood along rabbet grooves to smooth out rough spots. If you decide to sand the wood, ensure you protect it by using painter's tape to prevent accidental damage.

Write down the exact dimensions of the frame. These measurements can be brought to the hardware or home center store and the new pane will be cut a bit smaller. This will ensure a secure fit and leave room for expansion and contraction.

Place the new pane into the frame and push it into place firmly with your hand. Then, you can use the point of your chisel, or the back of the putty knife to make a tap on the glazier's facets, as shown in Figure 11. The glazier's points should sit flush against the top edge of your pane, and the shoulders raised should be just below the lip.

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

After the glazing compound dries it's time to put in the new window sash. The first step is to coat the wood with an even layer of linseed. This will prevent the new putty from soaking up 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 on the back of the tool or the back of the putty handle to gently smash the new sash or glazier's tip into the rabbet grooves. Repeat this process in intervals of 10 inches all around the frame.

Putty

A hurled baseball or a rock that is errant or a fallen branch can cause a window pane to crack or break. Luckily, most windows replacement near me can be easily replaced by simply placing a new piece in the proper place. The glass is held in position by a small metal clip, called a glazier’s point and putty. This compound is also known as glazing compound. Remove the old pane and clean the area with an abrasive, pull-type scraper, or a wood chisel. Wear protective glasses and gloves when working. You'll need a heat gun if the window is glued into the frame.

If you plan to reinstall the original sash, remove any molding pieces that hold the old pane in place. Then, sand the sash to make sure it's flat and ready for a new caulk. Once the sash is re-installed then, apply a new silicone caulk to the glass to ensure it doesn't swell or fade over time.

Remove the glazing points in the rabbets. These are the grooves in the sash, where the glass window replacements is located. If they're difficult to cut, place the hand tool, like a heat gun over them to soften first. If you're using a heating gun, make sure not to cause damage to the railings or sash by placing the tool too closely.

Make the bed for your new pane after you have removed the old glaze points and putty. Roll a rope with glazing compound between your fingers, and make it about 1/2 inch thick. Then, push it into the rabbets in which the glass will sit. The glass must be positioned against the putty on both sides. If necessary you want to tap your glass lightly into the rabbet using your thumb.

If the new pane has a crack you can fill it with a solvent-based glue or silicone caulk prior pressing it into the sash. If not, you'll have to apply putty on the crack to create an airtight seal and keep water out. After the putty is dry, clean the oily film off the glass with an abrasive and allow it to dry completely prior to painting. Paint before the putty is completely dry. It will not make a strong seal and could leak or discolor with time.

Paint

If you've had a broken window pane, then you may be concerned about the expense of a new one. However, replacing one glass pane does not have to break the bank if you do it yourself. Even a double-paned window can be replaced for a fraction of the price it would cost for a professional.

If you are working on a large window sash replacement, make sure it is securely attached to the frame. This task can be done relatively easy and fast using the right tools and techniques.

When you are ready to start taking down the old window pane. Pry out the metal glazing points that are attached to it. These are tiny metal triangles which act as "nails", holding the window in place. They are placed under a bead or glazing putty that sets to form a solid wedge that holds the wood frame firmly in position and hides the sharp edges.

After removal of the old pane clean the frame and wood. Scrape off any old paint and sand down the rabbet grooves that the glazing points were placed. Sand them down to bare wooden surfaces, allowing you to paint the frames with the same color. After sanding the wood then apply a layer of flax oil. This will help to prolong the life of the frame.

The next step is to measure the dimensions of the window's opening. It is necessary to take vertical and horizontal measurements of the entire opening, and also the thickness of the old pane. Subtract 1/8 inch from each measurement to ensure that you get the exact measurement for the new pane. This will also allow for expansion and contraction of the glass during seasonal change. You can bring these measurements to a hardware 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.