There are certain signs that will tell when you need a gutter up gradation. You will have to upgrade your gutter if there are moulds and stains of water on the façade of your house. Check the surroundings of your house after a rainstorm. If there a4e small water ponds in the surroundings, you may be in need of a gutter up gradation.
If the gutters are looking floppy, you will have to upgrade it. If the landscape area of the surroundings of your house get frequently washed out when it rains, you will have to go for a gutter up gradation. If there are certain sections of the gutters lose, you have to get them fixed. If there are channels of water merging in the landscape, you have to go for a gutter upgrading. These are some of the tell tale signs that should be enough to let you know when you need a gutter upgrading.