You can buy gutter caulking compound online.
How to stop a leaky gutter.
Bend the strip to fit and embed the flashing in the cement.
If the holes are larger than nail holes use tin snips to cut a strip of flashing the same amterial as the gutter wide enough to fill the area.
If water is leaking where the gutter and downspout jointly connect repair the joint connection.
Cut the caulk with a utility knife.
Feather the roofing cement out on the surrounding area to flatten any steep edges.
Allow the insides of the gutters to dry out and brush leaking seams clean.
Gutters after all protect your home against moisture directing water away from your home s windows siding foundation and other areas of your home you d prefer to keep dry.
Remove the old silicone caulk from the joint connection.
If you aren t comfortable on a ladder don t get on one it s simply not worth it.
Remove any screws or connecting hardware at the joint and then disassemble the leaking portion of the downspout.
The first step is to gain access to the area in a safe and secure way.
You may need to remove other gutter or downspout sections near the leaky joint first.
2 clean the joints replace the gaskets.
It will be difficult to remove and quite stubborn but it all needs to go.
Next use a chisel or some type of scraping tool and remove all of the old sealant.
Using a small trowel a gutter scoop or your gloved hands clear away as much debris as possible dropping it into a bucket for disposal.
Pull it off the gutter with your fingers or a pair of needle nose pliers.
Apply plastic roofing cement over small holes.
Patch small holes with roofing cement.