Clean the outside of your gutters
The black tiger-stripe streaks on your gutters are oxidized paint binder — and yes, it comes off.
What you'll learn
- Why tiger-stripes appear on gutters and why rinsing alone doesn't fix them
- The specific gutter cleaner that dissolves the oxidized binder
- How to clean safely from the ground with an extension pole
- When it's worth hiring it out (two-story homes and steep roofs)
Step by step
- Rinse the gutter exterior with a hose to remove loose dust.
- Apply gutter cleaner (oxalic or specialty) and let dwell 5 minutes.
- Scrub with a soft brush on an extension pole.
- Rinse thoroughly from the top down.
- Repeat on heavily striped sections.
Safety note
This is NOT about gutter interior debris — that's a separate task and usually a pro job for safety. This covers just the cosmetic black stripes on the outside face.
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