If your screen is tinted, you can use a darker polish (like gray or black).

If you’re worried about accidental drips, place a cloth or paper towel over the area in which you’re repairing the screen.

Clean your window screen with cold water to quicken the drying process. Do not clean your repaired window with hot water, as it can loosen nail polish.

If you have any old or broken window screens, cut out a rectangle that is approximately the size of the hole. Patch screen material can work if no scrap screening is available. [7] X Research source

Sew the torn edges together first and then, if the hole is still noticeable, place the patch over top and sew around its perimeter.

If you don’t want to weave the tear together, just glue it onto the existing screen. [12] X Expert Source Michael FoxWindow Repair Specialist Expert Interview. 1 December 2020. Wipe away glue drips with a microfiber cloth before they harden to keep the repair smooth. Clear nail polish will work as an adhesive, as well. [13] X Expert Source Michael FoxWindow Repair Specialist Expert Interview. 1 December 2020. Alternatively, purchase adhesive-backed patches to securely press over the damaged area without glue.