Permatex Clear RTV Silicone Adhesive Sealant This is an all-around silicone sealant that can handle just about any job. It’s easy to get out of the tube and it dries quickly.

Best All-Purpose Gutter Sealant: DAP Ultra Clear Waterproof Sealant Silicone sealant doesn't just work wonders on your gutters. It's also excellent for other outdoor improvement projects including ...