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Basics Gutter and Downspouts perform two main functions.
First they help capture and direct the roof run-off water away from the
house. Second, they help protect the exterior surface and perimeter
grading of the home from water damage that can result from the roof
run-off water running down the side of the house or eroding the soil
around the home.
Gutters
It is estimated that one-inch of rain fall on a typical 2000 square
foot home can produce up to 2,500 gallons of water. Not all homes need
gutters and downspouts, it depends on the design of the home and local
weather conditions. But if your home is experiencing problems resulting
from surface water, gutters and downspouts should be the first line of
defense.
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Gutter come in different shapes and sizes and should be selected based
on particular conditions of your home, including aesthetics, slope and
size of roof, and local weather conditions. The standard gutter is made
of aluminum or galvanized steel and is attached to the fascia board at
the eaves (roof line of the home) The standard gutter is 5" wide. The
size of the gutter should match the anticipated amount and volume
run-off for the roof.
Downspouts
Downspouts, sometimes called "leaders" are used to direct the water
leaving the gutters down to the ground or drainage system in a
controlled fashion. Downspouts are secured to the side of the house and
are often constructed of the same material as the gutters. Where the
downspout discharges the water is important when controlling surface
water around the home. Extensions, additional piping that extends
laterally from the bottom of the downspout, are used to direct the roof
run-off away from the foundation. Splash guards, or blocks, are used to
prevent soil erosion if the downspout discharges onto the ground.
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