How to Replace a Glass Pane in a Sliding Window Step by Step Guide

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How to Replace a Glass Pane in a Sliding Window Step by Step Guide

If your glass window is foggy or vitre brisée, the whole view of the house gets very messy. So, to get rid of that, change the glass pane. It is a maximum one day job, so do it. If it gets too difficult for you, you can always hire a handyman. They will cost you 50 to 100 dollars according to the job.

But here is a thought, if you are already habituated to doing this kind of chores as a homeowner. You can give it a try all by yourself. Additionally, you can get help from the webpage of Here is what you need to do to solve the problem efficiently. Stay with us.

How to Replace a Glass Pane in a Sliding Window: Step by Step Guide

Previously it was used just to remove the broken or faulty glass and replace it. So easy!

But we have now high and modern technology with a double pane glass window. It can be hard to replace the pane. If there is some problem, you may lose the clean glass or the seal between them.

That is why you need to be serious. Otherwise, next time the handyman’s bill will be doubled, fixing the damage done by you.

Required tools:

  • Screwdriver set
  • Caulking gun
  • Cordless drilling machine
  • Mask
  • Goggles
  • Hammer
  • Pry bar
  • Thin knife
  • Utility knife
  • Gloves
  • New glass unit
  • Silicone
  • Long-lasting adhesive tape

Glass replacing process

Here, we will talk about two types of replacing methods- adhesive tape and gasket seal. So, here they are-

1.     Remove the window sash

Generally, double-hung windows slide up and down. To remove them, press the liners a little and pull out the top sash liner. Twist the sash to remove it, considering the springs that connect to the sash bottom. In the case of reinstalling it, reverse the process.

For casement windows, you can normally unscrew the screws from top to bottom. Remember to take help from someone to hold the window glass while you unscrew the glass.

Slider windows move horizontally. So, to remove them, you can just lift the sash and remove it. If any nail is preventing it, simply cut them with your tools.

2.     Replacement method: Gasket seal

  • Remove the screws that hold the two corners that are set on the opposite corner. To help you rearrange the frame properly, keep the other two corners clipped.
  • Use a wooden block and hammer. Then leave the frame loose from the gasket and the window. Be very cautious and attentive not to stain the frame foggy or destroy it. It will cost you double than previously. If required, use a piece of old woolen carpet or fiber on the floor.
  • Take out the faulty gasket. Now, wrap it around the new insulating glass unit’s sides. Then install the parts of the pane all back together around the gasket. You can use a hammer to tap it if necessary tightly.
  • Now the job is almost done. You have put silicone seal on the corners to avoid the rainwater or any water coming into the house by the window.

Well done!

3.     Replacement method: adhesive tape seal

  • With a thin pry bar or thin-blade cutting knife, pry off the stops of the glass pane. You should begin working from the top, then work on the sides and finally finish removing the bottom side.
  • Flip through the window. And slice the adhesive tape with a compact, thin blade cutting knife or a tool knife into the tape bond. But careful otherwise, you’ll have to crack the glass if you do not slice the tape properly and cut too deep.
  • Now lay off the new tape beside the corner very carefully. Remember, try to keep clean from the air inside the layer of tape. If it is done, then clean out the older mess of the tape if there is any.
  • Now the most difficult job. Replace the glass on the wooden pane. The tape is pretty permanent. So, if the glass touches the wrong part or surface, removing it can be hard. So carefully place the glass from the corner steadily. If needed, take someone’s help. Then caulk back the window to avoid any leakage.


Firstly, careful while buying new glass pane. Check the warranty. Do the job carefully and, if needed, use a helping hand. But always consider the fact that if you are not habituated with repairing things, do not do the job. Hire a handyman. Otherwise, it can cost you double, or even you can end up in a hospital with a critical injury.

Sam is a professional content marketer that loves to share her knowledge by publishing blogs online. She has spent the last five years in offering digital marketing services to many leading brands. Also, she is an avid reader and gamer who loves to try new video games with her friends.

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