- Liquid Rubber Waterproof Sealant. Best Liquid Gutter Sealant. ...
- Gorilla Waterproof Patch & Seal Tape. Best Flexible Gutter Sealant. ...
- Flex Seal Liquid Rubber in a Can. Best Long Lasting Gutter Sealant. ...
- Flex Seal Spray Rubber Sealant. Best Spray Sealant for Gutters. ...
- DAP Crystal Clear Gutter Sealant.
How do you seal gaps in gutters?
A waterproof sealing product such as GE Clear Gutter Caulk (available on Amazon) is easy to use: Simply squeeze into cracks and holes, then apply a further coating around the entire gutter joint.Feb 22, 2021