Squeeze a bead of sealer along the seam joint and then smooth the sealer to allow easy flow of water through the gutter.
How to seal a leaking gutter like a professional.
You don t want to cause a restriction.
Let dry and repeat until all holes are filled.
Identify the leaking seam.
Take an abrasive pad or wire brush and scrub the debris away from the leaky area.
Prepare by cleaning drying and taping off area.
Add any necessary fasteners or connectors.
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.
How to flex seal your gutter.
Be liberal when applying the sealant directly onto the seam that leaks.
If there is a gap in the joint you should use your cardboard or plastic spreader to force sealer into the joint.
See below for a shopping list and tools subscribe to this old house.
Clear all debris out of the gutter miter.
Here is how to properly seal any type of gutter miter.
Replace the rubber gaskets on vinyl or pvc gutters.
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.
If there is a strong rain you can probably spot the seam that needs repair because the water will be flowing out of it and the ground will be sopping wet below.
Use a little water to spread it out nicely.
This old house general contractor tom silva has a fast fix for a dripping rain gutter.
One of the most common repairs we complete out in the field is to seal leaky gutters.
Clean any caulk or adhesive from both parts of the joint using a stiff wire brush.
Better to get it right than to have it leak again.
However more often then not weeks or even days later the leak returns to the befuddlement of the home owner.
Using a gentle sweeping motion cover the entire area with flex seal.
Apply a bead of silicone caulk to one of the parts at the joint area then reassemble the gutter system.
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.
Gutters are a series of pieces of metal or plastic set inside one another much like shingled roofs.
