Tips on How to Bug-Proof Your Windows

By Horizon Pest Control

Tips on How to Bug-Proof Your Windows

Exclusion is one of the best ways to keep bugs out of your home. Unfortunately, windows are one way that bugs get inside. They may get in through loose weatherstripping, broken screens, or other faults in the window. So, we have compiled a list of ways to bug-proof windows. 

Check for Drafts

If you feel a draft by your window, air is getting inside. If air can get in through your window, so can bugs. That is because insects can squish themselves through seemingly impossibly small spaces. So, you first want to inspect the window to see how and where air is coming inside. 

Keep Your Windows Closed

You want to keep your windows closed if you do not have window screens. Opening your windows without a screen is just inviting bugs to come inside. This is true even during the daylight, when fewer bugs are out and about. Just make it a practice never to open your window without a screen. 

Repair Your Screens

Even if you have screens, bugs can still get through if you have tears or rips. It would help if you inspected your screens at least once a year. If you see tears or rips, you can repair them, replace them, or hire someone to fix them. You can do repairs that are not noticeable upon inspection. However, a repair does not have to be neat to be effective. Using duct tape on both sides of a tear can be a great temporary fix. 

Replace Rotted Wood

The wood around windows is vulnerable to rot, and insects can quickly move through rotted wood. If you notice any wood rot around your windows, replace it.


You may have tiny spaces around your window frames. You can caulk them to seal the exterior. If you have larger cracks, use expanding foam instead of caulk. 

Use Insect Repellent

You can use insect repellants on your screens to help keep insects away from your windows. That is also a good trick for using around doors if people will go in and out. 

If you do not like the smell of insect repellent, you can still use this trick. Consider planting insect-repelling greenery around the windows. Rosemary, basil, lavender, rosemary, and citronella are great choices.

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