Rain gutters should be attached to the fascia and run the entire length of the roof ending with a downspout.
How to run two level roof downspout.
In this video we show why it is so important to run you upper roofs downspouts to the lower roofs gutter or to the ground.
Gutters need to slope towards the downspouts in order to function properly.
Place other stakes spaced 8 feet apart in between.
Mark the trench line.
Finally trim a notch in one end of a 36 in.
Of the ground and install the last elbow.
Tie the string to the downspout then stretch it out and around all the stakes.
Bring the downspout to within 1 ft.
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Pound in two stakes 4 feet from the house and directly in front of each downspout.
The water is allowed to run on the roof surface and is collected by the lower gutters.
Just cut several inches from the top half and screw the extension to the elbow on each side.
Length of downspout to make a fold up extension.
Install two u shaped downspout brackets on the corner of the house one high and one low.
If the gutter run measures longer than 40 feet 12 2 m it should be positioned to pitch down from the middle aimed toward a downspout at each end.
Use a string and 1x2 stakes to lay out the trench.
Typically a section of five inch gutter that is one foot long can hold up to 1 2 gallons of water whereas a section of six inch gutter that is one.
Purchase enough downspout leader to reach from the upper roof gutter to the lower roof gutter as well as from the lower roof gutter to the ground.
Use a measuring tape to determine the length of the gutter.