For half rounds 5 inch should be used for up to 2500 sq feet and 6 inch for up to 3 840 sq ft.
Size of gutter for roofing.
After you have calculated the square footage use following calculations.
But houses with big steep roofs or those located in climates prone to heavy downpours may need wider gutters and extra downspouts to keep rainwater from overflowing.
Five inch k style gutters or 6 inch half rounds the most common residential sizes are able to handle the rainfall on most houses in most parts of the country.
They can be 4 5 or 6 inches.
Gutters come in different sizes when you are completing a gutter replacement the first point to note is that gutters come in different sizes.
Rain gutter support capability.
But houses with big steep roofs or those located in climates prone to heavy downpours may need wider gutters and extra downspouts to keep rainwater from overflowing.
For a 5 inch k style gutter the square footage should be up to 5 500 sq ft and for a 6 inch k style gutter the square footage should be upto 7 900 sq ft.
Five inch k style gutters or 6 inch half rounds the most common residential sizes are able to handle the rainfall on most houses in most parts of the country.
15 2 m between ends or expansion joints is the limit unless the system is especially designed to accommodate the greater expansion the larger flow and the need for special supports 5.
Supports should be based on full capacity of the gutter.