Gutters on a Hip Roof

[ScrewItUpYourself]

I'm installing gutters on my 24x24 hip roof garage, and I'm a little confused about how to slope them. Everything I've found online about sloping gutters pretty much assumed there were gable ends.

I drew a ridiculously exaggerated sketch of what I'm thinking as far as slope goes, hope it makes sense. I'd like to keep the downspouts on the front end if at all possible--one on each front corner by the doors, and one between the doors. Does this seem acceptable? Based on the calculations I did, it seems like it might barely be OK, though it's a little unbalanced, as there would be about 50 continuous feet of run on the back and left sides.

My other concern is on the front side, the two halves would be sloping in different directions, meeting in the middle. Would this stick out like a sore thumb?

 

[cvairwerks]

Does the drive slope away from the doors? Have seen too many gutter installs that simply dump the water on a level surface and ends up being a problem. You want to set things to get the water away from the garage with the least work. Kinda hard to analyze from that photo. Have an aerial shot that shows all the way to the street? That and some elevation contour data would be easier to judge from.

 

[ScrewItUpYourself]

The driveway slopes away from the doors pretty well. I would add a channel drain if it became a problem, but I don't think it should be.

 

[Leaflessshadetree]

Sure it can work. If you have the hight point in the middle of the back side it will balance run-off down both sides.
The pictures look like ground slopes away from the left side. I'd put downspouts on the corners away from the house.

You could also put in tile run to pop-ups in the yard and have downspouts on all 4 corners.

 

[ScrewItUpYourself]

OK, I might do downspouts on all corners and drain tile. I could actually run it so both back corners drain near the alley. I wasn't sure if having the highest point in the middle would give it an unsightly "hump." Like I said, everything I've been reading just talks about gable roofs where it's a simple slope.

 

[58Yeoman]

My house has downspouts at all four corners, going to underground drains to air.

 

[bbbarracuda]

I have downspouts on all 4 corners. The slope is not an obvious thing that is noticeable. It looks like the norm is 1/2" per 10 feet. If you slope from center out, even 50' would only be 1 1/2" from center to end. So probably not really noticeable.

 

[ace10]

Here's nearly 50 feet of gutter.




This is an "L" shaped garage. The downspout on the right side is also catching half of the hip that turns into a gable heading to the back of the building.

 

[ace10]

And this is the system for moving the water away.



The left and right sides of the building are run to daylight about 100' away.

My intention is to place landscape rock around the building to dress these collection basins up.

 

[Dadillac]

On a hip roof you want your downspouts in the 4 corners. All 4 sides will have the gutter highest in the center and sloping down to each corner. That is how we always did it when I was young and working home improvements

Don

 

[oldmxracer]

In a perfect world that works fine , but usually You need the water to go in a different direction !