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Repairing Damaged Gutters

If you notice severe problems with a gutter, it is better to have it replaced by a professional than have the thing held together by duct tape and prayers; it will fail you once the first bad storm comes along, and that is not the time you want to deal with it.

If, however, the gutter has only a leaky joint or reasonable-sized hole, you can repair it quickly using this guide. Note: as is always the case, these fixes work fine when you don't immediately need to do them; that is, do them in dry weather!

How To Repair A Leaky Joint
Use a silicone rubber sealant rated for outdoor use between the gutter and/or downspout sections on the inside and outside of the gutter.

How To Repair A ½ Inch Hole or Smaller
Slather on a generous amount of roofing cement with a spatula or paint stirrer. Extend the cement beyond the hole 2 inches in all directions.

How To Repair A Larger Hole
Layer a generous amount of roofing cement across the hole. Using a piece of sheet metal (ideally the same material as your gutter: e.g. aluminum for aluminum, copper for copper, etc.) sized to extend beyond the hole 1-2 inches on all sides, push the patch into the cement until it is firmly supported, and hold for 3 minutes. Cover the patch with more cement. Once dry, test with a hose. Congratulations, you just saved yourself at least fifty bucks!

Repairing Damaged Gutters

Hammer Need more information on repairing damaged gutters? Head over to our Roofing forums and ask questions of other DIYers!