If possible flush out gutters with a garden hose then allow them to air dry for a clean fix.
How to fix leaky roof gutter.
For sealing and joining lap seams in aluminum or vinyl gutters and downspouts we recommend a permanently flexible and water resistant sealant.
Patches sealants step 1.
Apply plastic roofing cement step 3.
Check the downspout step 4.
See below for a shopping list and tools subscribe to this old house.
Do not use the as seen on tv liquefied rubber in a can sealants that promise the world but in actuality work very.
Clean the area around the leak step 2.
Clean the downspout joints and replace the gaskets step 5.
Do not apply silicone on top of silicone or on top of the old gutter sealant.
Leak stopper rubber flexx has a great 2 part system with waterproof tape and liquid coating.
Video sponsored by gardner gib.
There should be no more than a inch drop in the direction of the downspout.
If clips or brackets hold your gutters check for broken clips and loose or missing screws.
Apply silicone and reassemble.
This old house general contractor tom silva has a fast fix for a dripping rain gutter.
Get ready to seal.