How To Run Two Level Roof Downspout

Finally trim a notch in one end of a 36 in.

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. 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. 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.

Bring the downspout to within 1 ft. Of the ground and install the last elbow. Place other stakes spaced 8 feet apart in between. Use a measuring tape to determine the length of the gutter.

Tie the string to the downspout then stretch it out and around all the stakes. 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. Mark the trench line. 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.

In this first picture one can see. 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. 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. Install two u shaped downspout brackets on the corner of the house one high and one low.

Rain gutters should be attached to the fascia and run the entire length of the roof ending with a downspout. Just cut several inches from the top half and screw the extension to the elbow on each side. The water is allowed to run on the roof surface and is collected by the lower gutters.