Do not use the as seen on tv liquefied rubber in a can sealants that promise the world but in actuality work very.
Fix leaks in gutters.
You may need to remove other gutter or downspout sections near the leaky joint first.
Patches sealants step 1.
Remove any screws or connecting hardware at the joint and then disassemble the leaking portion of the downspout.
Do not apply silicone on top of silicone or on top of the old gutter sealant.
2 clean the joints replace the gaskets.
There should be no more than a inch drop in the direction of the downspout.
Check the downspout step 4.
If your gutters are fastened with spikes and some spikes are loose or rusted simply hammering the spike back in isn t.
Apply silicone and reassemble.
Apply plastic roofing cement step 3.
Clean the downspout joints and replace the gaskets step 5.
Make sure the area where the sealant will be applied is thoroughly clean by brushing away any debris that has fallen into the gutter from the roof.
If clips or brackets hold your gutters check for broken clips and loose or missing screws.