Currently we are seeing more residents expand their downspouts to 3 x4 and some even install the complete 6 gutter system.
Overall difference in water volume between 5 and 6 gutter.
Six inch troughs can hold twice as much water as 5 inch gutters.
In the past residential homes have 5 gutters and 2 x3 downspouts and commercial buildings have 6 gutters with 3 x4 downspouts.
This further decreases the chance for overflow of your gutter even during the hardest of windblown downpours.
Half round is also a lot more expensive than k style.
With these systems a large load of water can overwhelm 5 inch troughs with their swifter flow rates.
For those torrential downpours 6 k style gutter can handle a larger volume of water than 5 k style gutter.
Now pay attention to the weight of the gutters.
Six inch gutter will let the leaves and other debris wash right down the downspout with no need for covers.
Also the steeper the pitch of the roof the more wind driven rain it will take.
A larger gutter actually will hold more debris than a standard five inch gutter and is not self cleaning.
It means that the gutter will not be overfilled during periods of heavy rains as there is enough space inside the gutter.
In this round the 6 inch gutters.
It is important because the heavy weight of the water can cause the gutter to sag.
The difference is about 50 of the amount of water treated by the 5 inch gutter.
K style can handle more water than half round and a 5 k style can handle about much water as 6 half round.
Pro s in having a 6 gutter system.
Able to handle carry more water.