How to drill near a window (AVOID Doing This!)

Whether you want to install curtains or a window air conditioner, there’s a good chance that your drill will be near a window at some point. If not on this project, then on the next one. 

Thankfully, drilling near windows is relatively easy. There are just a few things you need to keep in mind. To avoid cracking the glass or putting stress on the frame, we recommend always checking the area around the window before you start.


You should position yourself as far away from the window as possible when drilling so that you don’t break the window frame.

 Another thing to keep in mind is what type of material you’re drilling into. Let’s explore this further. 

Check structural integrity

If you’re drilling into a wooden frame, check for rot. Rot will feel spongy and give when you press on it. If you feel no give, the frame is probably sound. If you do feel that it is unstable, have a professional inspect the frame before proceeding. 

A hole drilled near a window

If you’re drilling into a metal frame, check for corrosion by brushing off any grime or dirt and looking for pitting or discoloration. Areas of corrosion suggest that the metal is unstable and could break off the frame when you drill through it. Once again, have a professional inspect the frame before proceeding if it looks unstable.

You should also check if the frame around the window is supporting the wall. If it is a structural wall, you should be careful as drilling in it can make it weaker. This can reduce the support that your walls get. In these instances, it can be a great idea to check with an engineer to make sure that you don’t reduce the stability of the house too much. 

Check how the window is attached

If the window is made out of aluminum or metal, you have to make sure that the frame isn’t partly hidden behind the wall. Drilling in the frame can make it break more easily and could lead to water damage. 

This is why it is important that you can get an idea of how the window is constructed. It can provide you with an idea of what area you have to avoid. 

A lot of people just start drilling into the wall without any thought but this can cause a lot of damage.

Use a stud finder

If you’re going through drywall and you want to mount something permanently in the wall, you’ll want to make sure that you’re going into a stud.  Using a stud finder is the easiest way to go about this. Hold the stud finder against the wall and move it around until it beeps. The beep is the signal that you’re next to a stud. You can then mark the stud with a pen or pencil. You can also add a piece of wood if this didn’t work.

You should also make sure that you don’t drill in electric cables or plumbing systems. An infrared camera can be used to help you with this. You should also check the building plans to check where these utilities are located. If you drill in a water pipe, it can cause a lot of damage! 

For this reason, it is important that you study the situation before you begin. 

Use the right drill

For wood, you’ll want to use a standard or paddle-style drill. For metal, you’ll want a hammer drill. You’ll also want to make sure the drill bits are sharp. Dull bits can cause the drill to get stuck and will probably break before you’re finished. 

You should check what diameter of the screws you need. This depends on what you want to hang and also on what materials are being used. 

Make sure to use the right settings on your drill as well. This makes sure that you can drill fluently without too many interruptions. Most drills stop when they slip. This will make sure that they don’t get damaged. 

Drill stops are handy attachments that you can use to stop the drill when you’ve reached a certain depth. This will prevent you from going through the wall. Drill stops are fairly inexpensive, and they’re a must-have item if you’re drilling near a window.

Use a wall plug

Wall plugs are little plugs that you can put into the wall that will cover up the hole you left behind when you’re done drilling. This will prevent dust and other debris from getting into the hole and will look a lot better than just leaving the hole open. They also offer more stability and make sure that the curtain or AC doesn’t fall down. You can also drill at an angle if you don’t have enough space.

Wall plugs come in a variety of sizes. You can buy wall plugs at any hardware or home improvement store.

Don’t drill near other holes as this can break this open and create a big hole in your wall.

It is a great idea to have a vacuum nearby when you are going to drill. This makes sure that dust doesn’t get everywhere. Also, get goggles and gloves. Ear protection is also necessary as this can create loud noises.

When all is done, don’t forget the caulk!

When you’re done installing your new window feature and you’ve cleaned up all the mess, be sure to caulk around the window. This will seal up any gaps and keep out rodents, bugs, and other unwanted guests. It also keeps cold air outside. You can also use this opportunity to repaint the surrounding area if it has gotten a bit scuffed up during the drilling process.

Also, be sure to clean up any tools and scraps left around the window. This will not only keep your home looking nice and tidy, but it will also prevent accidents by preventing curious kids and pets from getting hurt. Now, what are you waiting for? Get your caulk and start caulking!

Restoring windows can be quite challenging and you might have to drill near the windows to accomplish this.

As we have discussed, drilling a hole near a window is quite straightforward but you need to be prepared. If you are not careful, you can damage parts of your window or utilities.

We have discussed how to drill in a wall here.