Using a gentle sweeping motion cover the entire area with flex seal.
How to seal a leaking gutter like a professional.
Gutters are a series of pieces of metal or plastic set inside one another much like shingled roofs.
How to flex seal your gutter.
Remember this is the inside of a gutter no one looks here.
While not a permanent fix you can generally get another season or two out of the gutters as long as the damage isn t extensive by applying a silicone or rubber gutter caulk or sealant.
Take an abrasive pad or wire brush and scrub the debris away from the leaky area.
You don t want to cause a restriction.
If the precise source of the leak isn t clear spray the area with a garden hose to identify the crack hole or gap where water is seeping out of the miter.
Clear all debris out of the gutter miter.
Better to get it right than to have it leak again.
Let dry and repeat until all holes are filled.
Time after time we see the failed efforts of well intentioned diy ers head up the ladder and attempt to silicone and spray their way to success.
Here is how to properly seal any type of gutter miter.
However more often then not weeks or even days later the leak returns to the befuddlement of the home owner.
One of the most common repairs we complete out in the field is to seal leaky gutters.
Use your fingers and get the sealant right into the seam and up both inside walls of the gutter.
Add any necessary fasteners or connectors.
Identify the leaking seam.
Apply a bead of silicone caulk to one of the parts at the joint area then reassemble the gutter system.
Clean any caulk or adhesive from both parts of the joint using a stiff wire brush.
Be liberal when applying the sealant directly onto the seam that leaks.
Prepare by cleaning drying and taping off area.
See below for a shopping list and tools subscribe to this old house.
If there is a gap in the joint you should use your cardboard or plastic spreader to force sealer into the joint.
Squeeze a bead of sealer along the seam joint and then smooth the sealer to allow easy flow of water through the gutter.
This old house general contractor tom silva has a fast fix for a dripping rain gutter.
Use a little water to spread it out nicely.