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Pappandrea4 Mar 2022 12:36Hello, I have a roof where a gutter needs to be installed. The gutter still has to be connected to a downpipe. The house has two sides – a front and a back. On each side, the roof slopes down, with the gable located in the middle of the roof. There is already a gutter at the back. I would like to direct the water from the front to the back because I have the option to collect the water in a rainwater tank at the back and use it in the garden.
The distance to cover is about 20 meters (65 feet), which is the length of the house from front to back. I want to guide the water through a downpipe running along the side of the house to the other side. The eaves height, where the gutter will be installed, is 4 meters (13 feet).
My question is whether a height of about 3.5 meters (11.5 feet) is sufficient to allow water to flow through a downpipe that will run diagonally along the wall for 20 meters (65 feet) to the other side, or if this is too low, possibly preventing the water from draining properly?
The distance to cover is about 20 meters (65 feet), which is the length of the house from front to back. I want to guide the water through a downpipe running along the side of the house to the other side. The eaves height, where the gutter will be installed, is 4 meters (13 feet).
My question is whether a height of about 3.5 meters (11.5 feet) is sufficient to allow water to flow through a downpipe that will run diagonally along the wall for 20 meters (65 feet) to the other side, or if this is too low, possibly preventing the water from draining properly?
Draw it more clearly, nobody will understand it as it is, or it’s just a coincidence. The terminology is also a bit mixed up.
I understand that you want to collect all the rainwater from the roof into a cistern or similar.
The first thought would be to install a complete gutter system around the roof and only use one downpipe. Whether one downpipe is sufficient depends on the roof area, although I don’t know if there are general calculation formulas or standards for this.
What type of roof is it exactly? Gable roof, hip roof? The statement that the gable is in the middle of the roof leaves a lot of room for interpretation (or do you mean the ridge?).
With a hip roof, the solution I described would theoretically work.
With a gable roof, it’s a bit problematic if there is a gutter on the gable side, but why not?
Usually, you would install a downpipe on each side and then lead one underground to the tank.
For drainpipes, you need a slope of 1-2%, so 1cm (0.4 inches) per meter (3.3 feet).
So, I hope I could help somewhat, but maybe some real experts will chime in here.
I understand that you want to collect all the rainwater from the roof into a cistern or similar.
The first thought would be to install a complete gutter system around the roof and only use one downpipe. Whether one downpipe is sufficient depends on the roof area, although I don’t know if there are general calculation formulas or standards for this.
What type of roof is it exactly? Gable roof, hip roof? The statement that the gable is in the middle of the roof leaves a lot of room for interpretation (or do you mean the ridge?).
With a hip roof, the solution I described would theoretically work.
With a gable roof, it’s a bit problematic if there is a gutter on the gable side, but why not?
Usually, you would install a downpipe on each side and then lead one underground to the tank.
For drainpipes, you need a slope of 1-2%, so 1cm (0.4 inches) per meter (3.3 feet).
So, I hope I could help somewhat, but maybe some real experts will chime in here.
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