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How to Do Window Pane Replacement

If a window pane cracks or becomes broken it must be replaced immediately. This can lead to an energy loss or moisture build-up between the two panes.

Replacing a window's pane is less costly than replacing an entire window and is easily done by homeowners of all ages. To replace a window pane, you will need to remove the old window, clean the frame, and then apply a new layer of putty.

Remove the Old Pane

The first step to replace windows is to take off the old pane. This is a risky job, therefore it is important to wear safety equipment like gloves and a face mask. It is also recommended to work on the ground if possible and to utilize a ladder that can be secured safely to avoid falls. After the old window has been removed, you can start working on the window frame. It is now a good idea to lightly sand the frame. After this apply a coat of linseed oil onto the wood frame to help the glazing compound remain flexible.

If you are ready to begin the actual work Make sure that your work space is clear of any debris and that you have all the tools you will need. You'll need an utility knife to scrape off any old putty that remains on the glass or within the frame of the window. It might require some effort and time however, it is essential to ensure a high-quality finished product.

After you have removed the old putty, you'll have an opening that is clear to accommodate your new window. Measure the size of this opening and subtract 1/8 inch from both the width and length to ensure you get an entirely new window pane that will fit well. You can also take a portion of the old window pane to a hardware store in order to make sure it matches the style of glass and the thickness.

Window panes aren't just designed to look beautiful - they can actually make your house more efficient in energy use by decreasing heat loss, glare and noise. Replacing just one pane of windows can be a simple task.

After you have replaced the damaged pane, you must seal and caulk the edge of the new window in order to keep it in place. This will not just give your window a stunning appearance, but also make it energy efficient and waterproof. The installation of a window film will help you save money on energy bills by decreasing the amount of heat lost through your windows.

Remove the Putty

The glazing putty that holds panes glass in their frames can be very difficult to remove. It can be difficult to remove as it becomes hard and dry. To avoid this, it's best to take out the old putty before installing the new pane. It's not an easy task to remove window putty, but with patience and effort it can be done. Wearing leather gloves and eye protection is a must when working around glass. It could be hazardous.

Take out any nails or spriggs securing the window in place prior to you begin to remove the putty. These nails were in use before double glazing and upvc came onto the market to hold the glass in place. These nails are usually in the corners and can be removed with the use of a screwdriver, or the hacksaw if they're visible. If any are hidden you will need to make use of a small chisel or putty chisel to cut them free from the frame.

Once the nail is removed you'll need to use mineral spirits to clean out any remaining pieces of old putty. This product is available at the majority of hardware stores and should be utilized in a well-ventilated area. Apply the oil in short bursts, as overheating the wood or paint can cause it crack or explode.

Another alternative is to use a heat gun to soften the putty. This is more effective for putty that has been painted over or hardened and can be very efficient. Make sure you move around when using the heat gun because being stationary for too long can burn the wood and cause cracked glass.

You can also use steel wool to remove the putty, however this method isn't as efficient and can be quite messy. This should be used only as a last resort, and is not recommended for homes with children.

Remove the metal Glazing Points

A hurled baseball or an errant tree branch can do a number on a window. Although most people assume a broken windowpane will require a full replacement of both the frame and the sash it is possible to repair the view and cut down on energy bills by replacing only the glass.

The first step of replacing a window is to remove the metal glazing points that hold the old glass in place. Utilizing a putty knife scrape away as much of the softened glaze as you can to expose the glass points. There should be four points that are on either side of the frame. Once you are able to see the metal, use needle-nose pliers to grip each one and pull it straight out. Do not pull too difficult. If the point is stubborn or breaks, it could cause damage to the frame.

After you have removed the metal points and putty, you can begin to prepare the frame. Clean the grooves in which glass is to go and ensure that they are smooth and free of dents and cracks. A heat gun can be useful for this, but remember to be careful and utilize a low temperature to prevent the wood from bending or deteriorating.

Then, if the glass is double pane glass, bring a shard of the window you used to replace to ensure that the new pane is a good fit. Apply a thin layer of silicone sealant on the inside frame rabbet and press the new glass into it. Finally, trim any excess sealant with a sharp blade and then apply a coat of exterior paint to complete the job.

If you have just one glass pane you can skip this step. If the new glass is different thickness from the original, purchase an appropriate-sized piece of glass from your local glass cutter. Before installing the new pane place a glazier's pushpoint in every corner of the frame rabbet (two on each side for a smaller window, and more for larger windows). This will add additional support to the pane and keep it from getting smashed in time.

Installing the New Pane

Window panes aren't just there for aesthetics, they also improve efficiency of energy, shield your home from the elements and insects, as well as improve security. If they're damaged or broken, it's crucial to replace them right away. But, a lot of homeowners don't know how to do this on their own. Fortunately, it's quite simple to change a window. You'll need just some supplies and easy steps.

Start by removing the old windowpane, taking care not to cut yourself while you work. Make sure you have a towel on hand to wipe off any remaining glass. Keep the shards in case of require a replacement window. Once the old glazing is removed using a tape measure, you can use it to determine the dimensions of the frame's rough opening. Note these down and subtract 1/8 inch from each side to get the new glass size. This ensures a tight fit and allows for natural expansion and contraction of the glass. You can bring the measurements to an area hardware store or home improvement shop and they will cut a new piece glass for you. If you are able you can bring a shard of the window that is already in use to match the thickness and type.

Apply a small amount of latex caulk around the edges of the glass after it has been placed. This will create a seal. Glazier's points need to be placed into the holes of the frame along the glass's edge. You should need two points on each side for an total of eight.

You can also install any wood molding that remains around the frame's edges. Make sure to clean the molding and putty well before reinstalling them to ensure they won't interfere with your new pane.

Although it's tempting to delay replacing a broken window pane however, this can result in further damage to the glass and the surrounding sash. It also increases the chance that you'll need to replace the entire window later on. Anyone with basic tools can fix a broken pane of glass.