Why Dirty Screens Make Clean Windows Look Dirty
Written by Blue Ribbon Window Cleaning · Last updated May 14, 2026
Dirty screens act like a fine filter that catches dust before it reaches the glass — and then redeposits that dust every time the wind blows. Cleaning glass without cleaning screens often makes the haze come back within days.
What screens actually do to your view
A screen is essentially a tightly woven mesh. Over time it captures pollen from spring blooms, fine dust from open Murrieta lots, and minerals from sprinkler overspray. Each strand of the mesh becomes coated.
When sun hits a coated screen, you don't see strands — you see a soft gray haze layered over the view. People often think their windows are dirty when actually the glass is fine and the screens are the problem.
How re-deposit happens
Even if you wash the glass perfectly, the next breeze pushes loose dust off the screen back onto the wet or freshly cleaned exterior. Within a week or two the windows look hazy again, and homeowners blame the cleaning instead of the screens.
What to do about it
- Have screens hand-cleaned at least once a year.
- Pair screen cleaning with any full interior + exterior visit.
- Replace screens that are visibly gray, sun-rotted, or torn.
Related services
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Frequently asked questions
› Can I just hose down my screens?
Hosing rinses the surface but doesn't clear the woven mesh. Hand-cleaning with a soft brush is what actually clears the strands.
› How often should screens be cleaned?
At least once a year for most homes. Spring or early summer is ideal — after pollen drops.
› What if my screens are too old to clean?
Sun-damaged screens fall apart when handled. We can rescreen them on-site — see our window screen repair page.
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