How to Deep Clean Window Screens (The Bathtub Method)

Window screens trap a winter's worth of pollen, dust, exhaust grime, and pollen. Most people clean windows in spring but skip the screens entirely — and then dirty water rolls off the screens onto the freshly cleaned glass the next time it rains.

The bathtub method is the fastest way to get every screen in the house clean in one session. Here's the routine.

Why the Bathtub Beats Outside Cleaning

Cleaning screens individually outside means standing in awkward positions, rinsing each one with the hose, and getting half of them only mostly clean. The bathtub method:

• Cleans all screens at once
• Uses warm water (more effective than cold from the hose)
• Fully submerges screens for thorough cleaning
• Done in 30 minutes total

The only downside: you need to clean the bathtub afterward.

What You'll Need

• Your bathtub (will need to clean it after)
• A few drops of dish soap (Dawn or similar)
• A soft-bristle scrub brush
• A few microfiber cloths
• A handful of clean towels for drying
• The shower wand (or a handheld shower attachment if your tub doesn't have one)

Do NOT use a stiff-bristle brush. It deforms the screen mesh.

Step 1: Pop Out All the Screens

Remove screens from every window. Most slide up or pop out from inside — the technique varies by window type:

• Sliding windows: Lift the screen up and tilt out
• Double-hung: Squeeze the tabs at the bottom and lift out
• Casement: Usually unscrew or release latches inside

Stack the screens against a wall as you remove them. If you have multiple screens, label them with small tape labels or take a photo so you remember which window each came from.

While you're removing the screens, this is also a great time to clean the window tracks before reinstalling.

Step 2: Fill the Tub and Soak

Fill the bathtub with about 6 inches of warm water. Add a few drops of dish soap.

Lay the screens flat in the water. Most tubs hold 3 to 5 standard window screens at a time. Soak for 10 to 15 minutes.

The soak loosens the grime that's been baked on by the sun. Without it, you'd be scrubbing twice as hard.

Step 3: Scrub Both Sides

After soaking, gently scrub each screen with the soft brush. Go in straight strokes, with the grain of the screen mesh — circular scrubbing can stretch the mesh.

Get both sides of each screen. The outdoor side is dirtier; the indoor side has more dust.

For framed screens with stuck-on grime around the frame, use a microfiber cloth and a bit more soap.

Step 4: Rinse Thoroughly

Drain the soapy water. Use the shower wand to rinse each screen on both sides. Rinse until no more soap suds appear in the runoff.

Soap residue left in screens dries to a sticky film that catches more dust faster.

Step 5: Shake and Air Dry

Shake excess water off each screen over the tub. Then lay them flat on towels in a sunny spot — outside if possible, on the floor of a sunlit room if not.

Don't try to dry them with towels. Pressing a towel into a screen pushes lint into the mesh.

Air drying takes 30 to 60 minutes in good sun. Don't reinstall wet screens — they'll trap moisture against the frame and grow mold.

Step 6: Reinstall

Once dry, slide each screen back into its window.

If a screen has any tears or holes, this is the moment to fix or replace it. A small tear can be patched with screen repair patches. A larger one needs new screen mesh — a DIY screen replacement kit handles this in 15 minutes per screen.

Step 7: Clean the Tub

The tub will have a layer of brown silt. Sprinkle Bar Keepers Friend or any non-abrasive cleanser, scrub with a sponge, rinse. Done in 5 minutes.

Alternative Methods

If your bathtub isn't an option:

• Driveway and hose method: Lay screens on a tarp, scrub with soapy water, rinse with the hose. Less effective for stuck-on grime.
• Vacuum method: Run the brush attachment over both sides — handles surface dust but doesn't clean stuck-on pollen and grime. Good monthly maintenance, not a deep clean.
• Pressure washer (low pressure only): Use a 40-degree tip, hold 3+ feet back. Higher pressure deforms screens.

How Often to Deep Clean Screens

Once a year (spring) is enough for most homes. Add a fall deep clean if:

• You have heavy tree pollen in your area
• You live near a busy road (exhaust grime)
• You have allergies (cleaner screens = less indoor allergens)

For monthly maintenance, vacuum screens with the brush attachment. Takes 30 seconds per screen.

Frequently Asked Questions

Can I use the same method on screen doors?

Yes — but most screen doors are too big for the bathtub. Lay them flat on a tarp on the patio, scrub with soapy water, rinse with the hose, let dry standing.

What about pet hair stuck to the screens?

A pet hair removal brush gets most of it off before soaking. Run the soak step longer (20 minutes) for stubborn hair.

My screens have stains that won't come out. What now?

Long-term stains from rusted screws, sap, or chemical splashes are permanent. Replace the screen mesh — easier than you'd think with a DIY screen rescreening kit.

Do I need to clean both sides of the screen?

Yes — the outdoor side has more pollen and dirt, but the indoor side has accumulated dust and pet dander. Both sides need cleaning for the screens to function properly.

Final Thoughts

The bathtub method takes 30 minutes to clean every screen in the house. Far better than spending 2 hours doing them individually outside, and the windows actually stay clean afterward because the screens aren't dripping dirt onto the glass with every rain.