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How to replace window pane Window Panes

A damaged window pane can be a nuisance. It can also be a chance to upgrade your glass to energy-efficient or insulated windows to benefit from improved comfort, increased the value of resales and lower utility costs.

It's a task you can do yourself for less than the cost of hiring a professional. You'll only require the proper tools and a few hours of your time.

Glass

Replace your old single-paned windows with tempered or insulation glass to improve energy efficiency, reduce noise, and preserve the original character of your home's older. The replacement handles for windows of the window pane is easy and can be completed by homeowners with basic hand tools. You will also require an extra window pane, glazier's suggestions, pliers, and latex glaze putty. If necessary you can use a heatgun to warm the old putty. Before starting, put on gloves and safety goggles as working with broken glass may cause injuries.

Begin by removing any remaining broken pieces of glass. It is best to use pliers for this however a flathead could be useful as well. Make use of a wood chisel or putty knife to get rid of any remaining old putty around the frame and window sash. Be careful to not damage the window sash. Be careful and slow. This should be done on a ladder, not on the ground. Also, ensure that someone on the ground to keep it in place.

Make sure the window frame is ready to receive the new pane after you have removed the old glue. To allow for seasonal expansion or contraction, subtract 1/8 inch each from the measurements of the width and height. Bring these measurements to an hardware store or home center and have a piece of stock glass cut to size. You can cut the glass yourself if you have the appropriate tools.

After putting the new pane in place, run a small bead of caulking along the edge to make it weatherproof. Install a glazier's pointing on both sides of the frame. This will secure the pane. The points should not be so tight as to cause friction between the sash and the frame but they shouldn't be loose.

Before applying the putty, work it in a gentle manner until it is smooth and free of lumps. Make it into pencil-sized strips. Apply the first strip to the corner of the frame, working from one corner to the next so that it is even and smooth.

Glazier's Points

The glazier's points are small triangular pieces of metal that help secure the glass to the frame without causing any damage to the fragile surface. It's easy to understand how to use this hidden tool, and you'll be able to save money on the cost of an installation by a professional.

Once the old putty and glazier's points are removed and the frame is thoroughly cleaned using a utility knife to get rid of any remaining traces. If needed it is necessary to lightly sand the wood along grooves of the rabbets to smooth out rough areas. If you decide to sand the wood, be sure to protect it with painter's tack to avoid accidental damage.

Take measurements of the empty frame and write down accurate measurements. Take these measurements to an hardware store or home center and have the new pane cut smaller than the frame's opening. This will ensure that the pane fits snugly and allows for expansion and contraction.

Place the new pane into the frame and replace window pane press it in place using your hand. Make use of the point of the chisel, or the edge of the putty blade to smudge the glazier's points as illustrated in Figure 11. The glazier's point should be aligned with the top edge of your pane and the raised shoulders should be just below the lip.

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

Install the new window replacement 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 from sucking up 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 that is on the back of the putty tool or the back of the putty handle to gently hammer the new sash or glazier's tip into the rabbet grooves. Repeat this process every 10 inches around the frame's perimeter.

Putty

A baseball hit or a rock thrown in error, or a tree falling can result in a cracked or cracked window. The majority of windows can be repaired easily by installing a new piece. The glass is held in place by a small metal clip, referred to as 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 while working. If the window is glued to the frame, you'll need to make use of a heat gun to soften the adhesive prior to prying it free.

If you plan to reinstall the original sash, gently remove any pieces of molding that secure the old pane. Then, sand the sash to ensure it's level and ready to be re-caulked. Once the sash is installed then, apply a new silicone caulk to the glass to ensure that it won't leak or discolor in time.

Remove the glazing points from the rabbets, the grooves in the sash, where the glass sits. If they are hard to cut, place a hand tool such as a heating gun over them for a few minutes to soften them. When using a heat tool, be careful to avoid damaging the sash's railings and sash.

Create a bed for your new pane after you have removed the old putty and glazing points. Roll a rope of glazing compound between your hands, forming it to be about 1/2-inch thick. Then, press it into the rabbets where the glass will sit. The glass should rest 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 then you can seal it with a solvent-based glue or silicone caulk before pressing it into the sash. If the crack isn't sealed, you will need to use putty to keep water out. After the putty has dried clean the oily film off of the glass and allow it to dry completely before painting. Paint after the putty has dried completely. It will not form a good seal and may be leaking or discoloring over time.

Paint

If you've suffered a break in a window pane, then you may be worried about the expense of replacing it. In reality, replacing a single pane of glass doesn't have to be expensive when you do it on your own. In fact windows with double panes can be replaced at a fraction of the cost of an expert.

If you are working with large glass windows first, ensure that it is securely fixed to the frame. This task is relatively easy and fast with the proper tools and techniques.

When you are ready to begin with the removal of the window pane. Take out the glazing points made of metal that are attached to it. These are small metal triangles which act as "nails", holding the window in the frame. They are placed under a bead of glazing putty, which is then cured to form a solid, molded wedge which holds the window in place and hides the points.

After removal of the old pane clean the frame and the wood. Scrape off any old paint, and sand the rabbet grooves where the glazing points were. These should be sanded down to bare wood to allow you to paint them the same color replace window pane as the rest the frame. After sanding the wood then apply a layer of flax oil. This will help to prolong the life of the frame.

Then, take measurements of the dimensions 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 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. Take these measurements to a hardware or home improvement store, and they will 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.