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How to Replace Window Panes

A damaged window pane could be a source of frustration. This could be an opportunity to upgrade your windows to energy efficient or insulated ones, and reap benefits such as improved comfort, increased resale values and reduced utility costs.

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

Glass

Replace Window Pane (Www.Smuniverse.Com) your single-paned windows using tempered or insulation glass to improve energy efficiency, cut down on noise, and preserve the original character of your older home. The majority of homeowners with basic hand tools can replace the window pane. You will also require a replacement window pane, glazier's tips, pliers, and latex glaze putty. If needed, you can use a heating gun to warm the old putty. Wear safety goggles and gloves before you begin. Working with broken glass can cause serious injuries.

Take out any broken glass pieces that remain. This is best done using the help of pliers though using a flathead screwdriver may work in the pinch. Use a wood chisel, or putty knife to get rid of any old putty remaining around the frame and the window sash. Be careful not to break the window sash. Work slowly and carefully. This should be done on an elevated ladder, not on the ground. Also, ensure that someone below the sash keep it in place.

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

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

Before applying the putty on the surface, gently knead it until it is soft and free of lumps. Make it into pencil-sized strips. The first strip should be placed in the corner of the frame, moving from one corner to another so that it is even and smooth.

Glazier's Points

The glazier's facets are small triangular pieces that help secure glass into the frame of a window without scratching or damaging the fragile surface. It's simple to learn how to use this secret tool and you can save money on the expense of an installation by a professional.

Once the old putty and glazier's points are removed, thoroughly clean the frame with a utility knife to get rid of any remaining residue. If necessary, lightly sand the wood along the grooves of the rabbet to smooth out rough spots. If you do sand your wood, be sure to protect it with painter's tack to avoid accidental damage.

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

Place the new pane into the frame and press it into the frame using your hand. Utilize the chisel's point, or the back of the putty knife to tap in the glaziers' points as illustrated in Figure 11. The glazier's points should sit aligned with the top edge of the pane and the shoulders should be just below that lip.

Apply a small amount of glazing compound over the edges of the glass that has been made and into the rabbet grooves to seal and protect them. Allow this to dry and cure fully.

Once the glazing compound has dried it's time to put in the new window replacement panes sash. First, you need to coat the wood with a thick layer of linseed. This will prevent the newly-created putty drying out or cracking as it absorbs moisture. Apply the coat using 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 points into the grooves of the rabbet. Repeat this process every 10 inches around the perimeter of the frame.

Putty

A baseball hit or a rock thrown by error or a branch falling can cause a broken or cracked window pane. Most windows can be replaced easily by simply putting in a fresh piece. The glass is held in place using tiny metal clips known as a glazier's point and putty, often called glazing compound. Remove the old pane and clean the area using a rag, a scraper that is a pull type or a wood chisel. Wear safety glasses and gloves while doing this work. If the window is glued to the frame, you'll need to make use of a heat gun to soften the adhesive prior to taking it off.

If you're planning to install the original sash in the future, take care to remove any pieces of molding that hold the old pane in place. Then you can sand the sash down to ensure it's level and ready to be re-caulked. After the sash has been reinstalled it is possible to apply a silicone caulk on the glass. This will ensure that it won't get soiled or discolor over time.

Take the glazing points out of the rabbets and the grooves in the sash where the glass is. If they are hard to cut, place the hand tool, such as a heatgun over them to soften first. When using a heating tool, be sure to not damage the sash's railings and sash.

Once the old glazing points and putty have been removed, prepare a bed for the new pane. Roll a rope of glazing compound between your hands, replace window pane and form it into a 1/2-inch thick. Place it into the rabbets, where the glass will be placed. The glass must rest against the putty on both sides. If you need to gently tap your glass into the rabbet with your thumb.

If the new pane is cracked, you can apply the silicone caulk or glass glue made from solvents to fill in the crack prior to pressing it into the sash. In other cases, you'll need to putty over the crack to form an airtight seal and keep water out. After the putty has dried then clean the oily film off the glass using an abrasive and allow it to dry completely prior to painting. Paint after the putty is completely dry. It won't create a solid seal and could leak or discolor with time.

Paint

If you've suffered a break in a window pane, you might be worried about the expense of a new one. It's true that replacing a single pane of glass doesn't need to be expensive if you do it on your own. In fact, even a double-pane window handles replacement can be replaced for only a fraction of the cost of an expert.

First, if you are working on a large-sized window, ensure that it is securely fixed to the frame. This job is relatively easy and fast using the proper tools and techniques.

If you're ready to begin with the removal of the old window pane by removing the glazing points of metal that are connected to it. These are small metal triangles which act as "nails" to hold the window in place. They are submerged beneath a layer of glazing putty that transforms into a solid formed wedge which holds the window in place and conceals the window's points.

Once you have the old pane taken away clean the surrounding frame and wood. Scrape off any paint that has been used, and sand the rabbet grooves that the glazing points were. Sand them down to bare wooden surfaces so you can paint the frames the same shade. After the sanding process, apply a coat of flax oil to the wood that is not sanded down to prolong its life.

The next step is to determine the size of the window's opening. You will need to take horizontal and vertical measurements of the entire opening, as well as the thickness of the old pane. To determine the exact dimensions of the new pane, subtract 1/8 inch from both measurements. This will allow for seasonal changes in the glass. You can take these measurements to a hardware store or home improvement shop 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.