When to Clean vs. Replace Window Screens

The Short Answer

If the mesh is intact and just dirty, clean it. If the mesh is torn, sagging, discolored, or brittle, or the frame is bent, warped, or won't sit flush in the track anymore, replace it. Cleaning fixes appearance and airflow. It does not restore a screen whose mesh or frame has physically failed. The mistake most homeowners make is treating every dingy screen as a cleaning problem when a fair number of them are actually past the point cleaning can help.

Signs a Screen Just Needs Cleaning

Signs a Screen Needs Replacing

Mesh doesn't fail all at once. It fails from years of UV exposure, temperature swings, and repeated flexing, and the tells are physical, not just cosmetic. Rips and holes, even small ones, are the obvious sign, but the less obvious ones matter more because homeowners tend to clean around them instead of replacing the screen.

How to Clean a Screen the Right Way

Remove the screen from its track rather than cleaning it in place, since dirt on both sides comes off more easily and you get a clear look at the frame and mesh while you're at it. Vacuum both sides with a brush attachment to lift loose dust first. Then wash with a soft brush or sponge and mild dish soap in warm water, rinse thoroughly with a hose or in the shower, and let it air dry completely before rehanging. Avoid pressure washers on screens: the force that's fine on glass or siding is more than fiberglass or aluminum mesh is built to take, and it's a common way people put a hole in a screen that was otherwise fine. A twice-yearly clean, roughly spring and fall, keeps most screens looking new and catches developing damage early, the same rough cadence that makes sense for the glass itself regardless of whether you call it window washing or window cleaning.

How Long Should a Screen Actually Last?

Fiberglass and aluminum window screen mesh commonly holds up for somewhere in the range of 8 to 15 years under ordinary residential conditions before UV exposure and repeated flexing catch up with it, with harsher sun exposure or heavy pet or child traffic shortening that considerably. That's a wide range because climate and how a home is used both move it. A shaded, low-traffic window in a mild climate can go the long way; a west-facing screen taking direct desert or high-altitude sun for years is going to age out sooner. Either way, age plus condition, not age alone, is what decides replacement: a 12-year-old screen that's been cleaned regularly and lives in shade can still be fine, while a 4-year-old screen that took a dog's claws or a hailstorm may already need to go.

The Bottom Line

Clean first, always, since it's free information: a screen that comes back looking and flexing like new just needed a wash. One that's still torn, brittle, discolored, or ill-fitting after cleaning is telling you the material has reached the end of its life, and no amount of soap changes that. If you'd rather not remove, wash, and rehang a whole house of screens yourself, our screen cleaning visits handle the removal, wash, and reinstall, and the crew will flag any screen that's past cleaning so you're not guessing. It also pairs naturally with a full residential window cleaning visit, since the crew and ladders are already at the house either way.