Whatever the type of the downspout gutters you have on your house, you are going to need to repair them eventually. You should be checking your downspout gutters at least two times per year. It's important to make sure there is no kind of debris in them, and that the rust is not building up.
If you have steel downspout gutter, you might notice that your spouts are starting to leak whenever rain falls. You may have rust building up so that you are starting to get holes in your downspouts. This would mean that you need to repair your downspouts so that they keep working right. As a general rule, if you are able to see any rust on the outside of your downspout gutter when you are looking at them from the ground level, then you need to make the downspout gutter repair.
If you have plastic downspout gutter, you should know that weather and time will damage them. You should be on the look out for any discoloration or any fading on the coating of the downspout. You do not have to worry about rust with these downspouts gutter, but they wear out, too.
If you have aluminum downspout gutter, keep in mind that aluminum does last a lot longer than steel. But aluminum dents very easily. If you begin to see any cracks, chips or curls on the edges of your aluminum downspouts gutter, it is a good idea to do downspout gutter repair.
You should take a look at your gutter downspouts every fall and every spring. You should look for any downspouts that have spaces between the downspout gutter in the area where runoff water is not being routed properly. You might see rust spots on the downspout too.
If you have a downspout gutter that is loose, you can use screws and a drill to put two screws into the downspout top. You will then reattach it to your gutter. You will put 1 screw on both sides of the downspout. For a longer one, you can give it more stability by strapping it to the side of your house.
Also, if you get a lot of snow in your area, be aware that ice is a serious danger to the health of your downspout gutter. If you get ice in your downspout gutter, water will not be able to drain right. This means that the water will build up and get under the shingles on the lower part of your roof. This could cause major damage to your roof and event the interior of your home. Make sure that you inspect your downspout gutter during snow melts to make sure ice is not trapping water and keeping it from draining.