You can also try using V-seal weather stripping to seal the edges of the window. This is a special type of weather stripping that you can press into the edges of the window to seal up a draft.

You may need to paint on 2 to 3 coats to ensure that the crack is fully covered. Keep in mind that you will still need to replace the window eventually. The nail polish will only hold for 1 to 2 months at most.

Check online or in a department store to purchase a window or door sock. Although a window sock won’t actually fix a drafty window permanently, this is the quickest and easiest way to stop a draft.

Light and noise blocking curtains are usually thick enough to provide some draft protection. You can also layer 2 curtains over the window or use fabric blinds, such as roman blinds.

Storm windows can be an expensive fix for drafty windows, but you can use them again and again.

The kit should include double-sided tape and plastic for covering your windows. You can buy these items separately if you prefer.

Repeat to cover the other side and the top and bottom edges of the window. Make sure that the surface is clean. [8] X Expert Source Patrick JohnsHome Improvement Specialist Expert Interview. 26 October 2021. It will help the adhesive to stick properly. [9] X Expert Source Patrick JohnsHome Improvement Specialist Expert Interview. 26 October 2021.

Discard the covering you remove from the tape strips.

Repeat this for the top edge of the plastic. Then, pull the plastic taut and secure the other side and bottom edge of the plastic by pressing down on it.

Make sure to keep moving the hair dryer around over the plastic. Avoid holding in one spot for more than 5 seconds as this may make a hole in the plastic.

If you are not sure where the air is coming in from and you only want to seal up the drafty portion of a window, check to find the draft first.

If there is any peeling paint, scrap this off as well since it will interfere with re-caulking the window.

Washing the window’s edges first will help to ensure that you get a tight seal with the new layer of caulk.

Make sure to follow the manufacturer’s instructions for how to use the caulk properly.