Aluminium should last longer than galvanized steel.
Why are old galvanized gutters better than new.
As far as installation both types of steel are relatively easy to install but galvanized steel weighs less and is easier to cut.
Galvanized steel gutters will eventually rust after 20 25 years but steel is strong and durable making it a popular option for regions that experience extreme weather heavy rains and snow.
Installation is fairly easy because aluminium is lighter than galvanized steel.
While both materials can be customized to form seamless gutters aluminium is slightly easier to work with.
This kind of gutters has been used in drainage systems for more than 150 years thanks to properties like corrosion resistance low cost and structural straight.
When comparing stainless steel to galvanized steel cleaning is much easier for galvanized than stainless.
Chlorine based bleaches can destroy the oxide layer on stainless steel but not with galvanized.
Galvanized gutters have an extra layer of coating that adds protection against the rainwater the weather and other physical damages.
Aluminum gutters however never rust.
However they still need to be repainted about every 10 years.
Aluminum gutters resist rust better and last longer than steel.
Steel gutters can stand up to ladders and fallen branches better than aluminum.
However they still need to be repainted about every 10 years.
And at 5 to 9 per linear foot installed they re still relatively inexpensive two reasons why aluminum has the edge in popularity according to lyle brandt of all.