How To Run Two Level Roof Downspout

Use a string and 1x2 stakes to lay out the trench.

How to run two level roof downspout.

Buried or underground roof drainage downspout defects clogging overflowing holes corrosion leaks that cause wet basements or crawl areas proper installation of buried downspout extensions proper installation of french drains seepage pits at flat sites gutter downspout defects cause wet basements crawl areas questions answers about installing maintaining repairing buried roof. Finally trim a notch in one end of a 36 in. Length of downspout to make a fold up extension. Gutters need to slope towards the downspouts in order to function properly.

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. The water is allowed to run on the roof surface and is collected by the lower gutters. Tie the string to the downspout then stretch it out and around all the stakes. Pound in two stakes 4 feet from the house and directly in front of each downspout.

Mark the trench line. Of the ground and install the last elbow. If the gutter is too level it will hold a lot of run off water and risk becoming too heavy for the supports to handle. Just cut several inches from the top half and screw the extension to the elbow on each side.

Install two u shaped downspout brackets on the corner of the house one high and one low. Place other stakes spaced 8 feet apart in between. Rain gutters should be attached to the fascia and run the entire length of the roof ending with a 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.

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. 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. 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.