Time Required: Under 2 hours

Difficulty: Intermediate

Learning just how to replace window glass is a fairly straightforward project, depending upon your home window frame. This guide will teach you exactly how to resolve a broken window in simply a few simple steps.

You are watching: A sheet of glass in a window

This overview covers glass replacement for all traditional wood-frame windows, vinyl framework windows and also aluminum frame windows.

Safety: once working through glass, always wear job-related gloves and also safety goggles.


*

*

*

*


While typical home windows have to be changed every 15 come 20 years, window glass frequently breaks lot sooner and needs to be repaired. Neck leaded-glass panes frequently loosen and also rattle, while contemporary panes have actually some troubles as well. A double-pane home window may often tend to fog if humidity gets in between its layers and also a plastic pane will certainly yellow over time. In cases like these, a fix is much much less expensive 보다 a full replacement window.

A glass fix will often be simpler to do if you eliminate the sash. This method you can lay the flat and work on instead of the home window glass. If the home window is large, it may be finest to have actually a helper.

Slider windows have the right to usually be gotten rid of by simply lifting up on the sash to eliminate it native the track climate pulling it out from the bottom. modern casement home windows have home window release catches developed into the hinges. V older windows, however, you may have to just unscrew the home window from the hinges at the top and also bottom to eliminate them.

Always eliminate the damaged glass carefully and also clean the area about the window frame before replacing with brand-new materials.

put on heavy, cut-proof gloves and also eye protection. remove the glazing tool to expose the whole glass pane. If possible, remove the broken pane of glass in one piece. If the glass is stuck, use gloved hands to wiggle them the end carefully. Because that an old glazing compound, or putty, use a warm gun to heat up the product slightly. This should help release the more stubborn glass bits. If over there is old ice cream or silicone holding the glass, very closely run the tip of a sharp energy knife in between the glass and the old material to aid break the seal.

When figuring out how to replace glass in a double-pane window, understand that you have the right to replace home window glass without having to eliminate the entire window. Enlarge double-pane home window glass have the right to be repaired while the home window remains in the frame. Make sure the glass only has actually a few cracks and the pieces space still reasonably large. Ease the old glazing, then closely remove the glass pieces.

Tip: replacing glass in aluminum windows will be much easier than instead of glass in a wood frame.The glass can frequently be repaired while tho in the frame.


Before you replace broken window glass through a brand-new piece, measure the height, width and also opening of your pane, and the thickness that the old glass. Write these measurements down. Most home improvement stores will cut glass to order. If girlfriend prefer, you deserve to order a big glass sheet and cut it come the exactly size.

Order your new glass pane (or cut it yourself) at the very least 1/16 inches shorter in every directions. Always test right the glass dry before setting it in place. Along with the glass, acquisition a new package of glass points. These room the little metal triangles the secure the glass into the putty. If you have vinyl or aluminum windows, this will call for double-sided foam ice or silicone.


Many modern residential windows usage insulated glass units (IGU) quite than single panes. IGUs room made of two panes of tempered glass that room separated by a spacer. The space between the 2 panes is filled with a gas.

IGUs usually have to it is in ordered from a glass manufacturer, and they come in assorted sizes. Once trying to replace home window glass in modern windows, it help to be familiar with taking appropriate measurements because that an insulated glass unit. There are numerous things to note to make sure that you get the best fit and also the ideal glass.

measure the height and also width the the unit. Measure the thickness the the glass sheet. Measure up the thickness that the all at once unit. Note the spacer shade – normally white, black or metal. Keep in mind the coating of the old glass – this is generally low-E, yet it might additionally have a tint.

You likewise need to note the form of glass. Friend can generally tell this through the means in i m sorry the old glass broke. If the glass broke in large, jagged pieces, the is likely annealed glass, which is the many common. If the glass crumbled into tiny pieces, that is most likely safety glass.

See more: What Mountain Did The Grinch Live On ? Easthampton Transforms Into Dr

Take the certain measurements that the damaged unit and then call for a replacement. Just like an plain glass pane, tape heavily over any kind of broken or cracked locations in the IGU before beginning the repair. When learning exactly how to resolve a broken window, taping the glass will constantly be important for safety.