5 Laws Anyone Working In Glazing Repair Should Be Aware Of

· 6 min read
5 Laws Anyone Working In Glazing Repair Should Be Aware Of

Glazing Repair - How to Repair a Cracked Window

Glazing can make a significant impact on the energy efficiency of your home. This is especially true for older double-glazed windows.

It is possible to change the glazing points with the window in place however it is much simpler and quicker to remove the glass and frame. This is also a great opportunity to replace the rubber gaskets.

Broken Glass

Cracked glass isn't just unsightly but can also let valuable heat and sunlight escape your home. It's usually possible to repair a damaged window pane without having to go through a full replacement.

Put on safety goggles and gloves. You can also apply duct tape or painter's tape to make an "X" on the glass you want to remove. This will prevent any broken glass from falling on your work surface as you work.

If you've noticed a small crack in your window glass, cover it with tape to block the elements like wind, water, and insects. One strip of tape should be sufficient for cracks with a superficial appearance but if you're worried about the weather becoming worse before you can replace your window, use an extra-strong plastic cover like a tarp, or a garbage bag, to hold the glass in place until you obtain a permanent fix.

For cracks that aren't quite as shallow try using a tough adhesive designed specifically for windows, such as Loctite Super Glue Glass. This high-tech glue was designed to adhere to glass and dry transparent to give a perfect finish. Apply it to the crack and let it completely dry before applying another layer.

Glass windows can also develop stress cracks. Stress cracks are typically caused by large temperature changes and can rapidly spread across the entire window if not fixed. To prevent stress fractures, use a glass cutter to cut a small arc close to the crack. This can prevent the crack from spreading and can slow it down for several days.

Measure the frame of the broken window to determine the size of the new pane. It should be slightly smaller than the opening to allow for expansion and contraction and to cover any imperfections in the frame or glass. After cutting your glass, apply glaziers compound around the edges of the frame and glass. After the compound has dried, paint over it to match the frame of the window.

Double Glazed Windows Condensation Inside

Condensation inside double-glazed windows is typically an indication that the seal around the window unit has failed. This is a serious problem because it could indicate that heat is being lost from your home through the window.

Double glazing is designed to prevent heat transfer between two panes by sandwiching an air or vacuum layer between them.  window repair Stratford  creates an airtight seal and stops warm air from escaping the home. If the glass is warmer than the frame, condensation can develop on the glass and cause damage to the window. If you've got condensation on your double glazed window and you cannot resolve it by opening the windows, with extractor fans, using dehumidifiers or trickle venting, you might need to call in an expert.


Condensation on the exterior of double-glazed windows is rare, but it can occur when the seal has started to break down between the glass and the window frame. This is more common in winter as the temperatures are lower and it's more easy for condensation to develop. The main cause of this is a fault in the spacer placed between the frame and the window. The spacer is often filled with desiccant which is highly absorbent and will soak up excess moisture.

This could lead to moisture leaking into the gap after the desiccant is saturated. This can result in water and condensation in the gap and is very difficult to eliminate.

The good news is that most trustworthy window manufacturers will provide warranties on their products and should replace the glass and window unit when it's damaged by condensation. Inform any issues as quickly as possible to your window installer to ensure that the condensation is repaired as quickly as it can to avoid further damage.

Shattering Window Glass

A cracked window pane isn't just a visual issue, it can also present a security risk especially if the crack has been expanding. It is best to get it repaired as soon as you can. There are several ways to go about it with glass adhesives, for instance, using ones designed for vehicle windows that can be purchased through the internet or at numerous auto maintenance stores. Alternately, you can make use of a glazing compound formulated for use in homes and can be purchased in a lot of hardware and home improvement stores.

Before you begin any task, put on thick protective gloves and safety glasses and sweep the area to remove large pieces of shards. Also, you should clean up any chips that fell. This will prevent them from causing injury to you or a glazing repair technician later on.

It's a good idea to climb a ladder instead of standing on the ground. This will allow you to reach all areas of the frame and protect you from falling glass. It's also recommended to wash the rabbet before proceeding, which is the part of the frame around the window frame where glass will be. Clean it off and then apply a coat of linseed oil to the rabbet, which will allow the new putty to stick securely.

After the frame is cleaned and the rabbet is prepared It's now time to put together the replacement pane. Measure the height and width of the opening in both directions Then, you can order an item of double-strength glass that is 1/8 inch smaller in both directions. You'll need to buy glass points which is a steel triangle that holds the glass in the right place.

With the window sash removed from the way, carefully pry it off of the wood molding with an angled pry bar. You may need to scrape off old glazing putty with a knife or chisel. Utilize the heat gun to warm any putty that isn't able to be removed easily. This will make it easier to remove.

Once the frame has been removed from the mold then gently press the new glass in its place. Fill in the gaps using a glazier's tip or putty knife. Once the putty has dried paint it to match the rest of the frame. Paint the glass and the compound by overlapping it slightly.

Replacement Window Glass

If you're replacing a damaged window pane, you should first wear gloves and eye protection to shield yourself from glass shatters. Tape the window's edge to stop it from breaking when you take it off.

Begin by removing the old glaze compound and glazing points (small metal triangles) from the frame with a utility knife. Clean the frame opening, and then apply a coat linseed to make sure the new glue sticks better.

When the frame is complete, make sure you measure it to get an entirely new window and buy it from a home improvement store or another retailer. Make sure you order the pane at least 1/6th inch smaller in every direction than the measurement to allow for an ideal fit.

Installing the new window is easier than you think, but make sure you follow the manufacturer's directions to ensure correct fit and a long life for your replacement pane. Use a wirebrush for removing any paint or wood gunk from the frame opening. Then sand the wood to the surface of the wood to improve the seal.

When you are putting the new window in place, use the point of your putty knife and gently lay the new window against the wood frame. Then, press glazier's facets into the frame approximately every six inches to keep the new window firmly in the frame.

Once the frame has been cured, coat the joint with a few coats of paint to match the rest of the frame. Allow the paint to dry completely before cleaning and maintaining your windows. Maintaining windows in good condition and ensuring that they function correctly will extend their life expectancy and improve the energy efficiency of your home. If your windows are outdated or in poor condition, you may be better off having the complete replacement of your windows. If you decide to go with this option, we recommend choosing a high-quality insulated windows to cut down on your energy bills. The kind of window you pick will also influence the overall cost of your project.