Some of the most common problems seen with metal gutters are leaks in the downspouts and in the gutter railings.
How to repair galvanized steel gutters.
The value of hot dip galvanizing stems from the relative corrosion resistance of zinc which under most conditions is considerably better than iron and steel.
Steel gutters should be inspected regularly for missing zinc and rust.
Apply a zinc rich paint over the repaired area.
Select a paint that matches the existing color of the metal as closely as possible.
First use a stiff wire brush to remove any rust or corrosion from the hole and the surrounding area.
Feather the roofing cement out on the surrounding area to flatten any steep edges.
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Step 2 dry.
Weathering will eventually match the color of the repaired area with the rest of the metal.
You can use the same process for repairing holes in both steel and aluminum gutters.
Steel gutters tend to get chalky over time which may mean that you need to paint them more frequently.
Bend the strip to fit and embed the flashing in the cement.
Carefully dry the area then rub it with a coarse sandpaper.
Use more roofing cement to seal the perimeter of.
Step 1 clean.
If rust is already present remove it with a non metallic scouring pad.
Apply plastic roofing cement over small holes.
Step 3 patch.
If the holes are larger than nail holes use tin snips to cut a strip of flashing the same amterial as the gutter wide enough to fill the area.
Cover any holes you find in the metal gutter with some roofing cement.
Once the hole is clean and dry spread roofing cement around the edges of the hole and apply a patch of appropriately sized metal flashing.
To help them last longer they should be repainted or sealed every few years.
These types of leaks are often caused by loose joints and most of them can be easily resealed with roofing cement.
3 check for signs of mildew.
Clean the area around the leak using a wire brush and some water.