Gutters should run the whole length of your house.
Repairing a leaky gutter joint from the outside.
7 years ago on introduction.
You need to remove the old caulking.
How to repair a leaking gutter union joint and poly tunnel.
Cut the caulk with a utility knife.
It ticks all the boxes.
You cannot add more caulking to old.
Pull it off the gutter with your fingers or a pair of needle nose pliers.
Clean the joints replace the gaskets step 3.
Allow 24 48 hours dry time yes avoid any rainy days in the forecast and you should be good to go.
If water is leaking where the gutter and downspout jointly connect repair the joint connection.
Caulk sealants step 1.
Pretty strong and made to stay outside for years anyway.
Finally thoroughly clean the area of dirt debris shingle granules etc so that the new repair will hold properly.
You first need to clean your gutters thoroughly.
Remove connecting hardware step 2.
Once the caulking is out you need to clean the metal.
Use a commercial grade gutter sealant and simply re apply where needed in a thorough manner.
Prior to have my gutters replaced they were butted together but not like in.
The bond will not be permanent and the leak.