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.
How to run two level roof downspout.
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.
Bring the downspout to within 1 ft.
Place other stakes spaced 8 feet apart in between.
Length of downspout to make a fold up extension.
Mark the trench line.
It is very common for dormers and other roof structures that have gutters above the level of the gutters on lower portions of the roof to empty onto the roof surface.
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.
In this first picture one can see.
Rain gutters should be attached to the fascia and run the entire length of the roof ending with a downspout.
Tie the string to the downspout then stretch it out and around all the stakes.
Just cut several inches from the top half and screw the extension to the elbow on each side.
Use a string and 1x2 stakes to lay out the trench.
Gutters need to slope towards the downspouts in order to function properly.
Use a measuring tape to determine the length of the gutter.
Pound in two stakes 4 feet from the house and directly in front of each downspout.
Finally trim a notch in one end of a 36 in.
The water is allowed to run on the roof surface and is collected by the lower gutters.
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.
Of the ground and install the last elbow.