How to patch a rusted gutter instead of replacing it
To get a few more years out of your gutter before a full roof replacement, you can use patching products to seal rusted areas and old downspout holes. This allows you to relocate downspouts away from new electrical boxes and fix small sections without paying hundreds of dollars to replace an otherwise undamaged system.
What the numbers show
Counted from the threads quoted below. How we count
- People have been saying this in most months since September 2026.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
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How to patch a rusted gutter instead of replacing it
- 1Replacing the short pieceDid this help you?
- 2Siliconing and sealing the jointsDid this help you?
- 3Getting a cut piece of aluminum and caulking it over the old hole.Did this help you?
- 4Removing the entire short gutter segment and replacing it with a new standard piece.Did this help you?
- 5Paying a custom endless gutter company to replace the section.Did this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“I have a few more years before the roof needs to be replaced. How can I patch repair the rusted gutter that drains into the cast iron combined sewer.”source ↗
“Is there a product to patch the hole where the original downspout location is and move the downspout to the right side away from the new electrical box?”source ↗
“Had a quote for $700 to replace with a new one, but the current one isn't damaged.”source ↗
“Yeah its just a small 6ft section, its just where the new box sits the downspout cant secure correctly.”source ↗