# How many "planes" on your house's roof?

**URL:** <https://boards.straightdope.com/t/how-many-planes-on-your-houses-roof/932153>\
**Category:** In My Humble Opinion\
**Created:** [February 3, 2021, 6:18pm UTC](https://boards.straightdope.com/t/how-many-planes-on-your-houses-roof/932153 "2021-02-03T18:18:16Z")\
**Posts on this page:** 7\
**Page:** 3

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**Author:** ![Mama\_Zappa](https://avatars.discourse-cdn.com/v4/letter/m/71e660/32.png) [@Mama\_Zappa](https://boards.straightdope.com/u/Mama_Zappa)\
**Post date:** [March 11, 2021, 6:15pm UTC](https://boards.straightdope.com/t/how-many-planes-on-your-houses-roof/932153/41 "2021-03-11T18:15:58Z")

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Just 4 planes. We have no dormers, and the house layout is a basic rectangle, with a garage on one side. So: 2 planes for the main roof, and 2 for the roof on the garage.

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**Author:** ![puzzlegal](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/puzzlegal/32/3827_2.png) [@puzzlegal](https://boards.straightdope.com/u/puzzlegal)\
**Post date:** [March 11, 2021, 6:57pm UTC](https://boards.straightdope.com/t/how-many-planes-on-your-houses-roof/932153/42 "2021-03-11T18:57:56Z")

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Mine has 9. And three of those are in the bay window I had added to the house, and another is from the when the prior owner expanded the attic to make it a bedroom.

The house across the street, still under construction, has at least 22, but I can’t see all of it, there may be more. I feel like the style has changed over the years. 🙂

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**Author:** ![susan](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/susan/32/17537_2.png) [@susan](https://boards.straightdope.com/u/susan)\
**Post date:** [March 11, 2021, 7:33pm UTC](https://boards.straightdope.com/t/how-many-planes-on-your-houses-roof/932153/43 "2021-03-11T19:33:22Z")

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Three. Back, front, partial top floor.

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**Author:** ![OldGuy](https://avatars.discourse-cdn.com/v4/letter/o/3bc359/32.png) [@OldGuy](https://boards.straightdope.com/u/OldGuy)\
**Post date:** [March 13, 2021, 4:27am UTC](https://boards.straightdope.com/t/how-many-planes-on-your-houses-roof/932153/44 "2021-03-13T04:27:08Z")

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8  
2+1 for the main roof plus a dormer  
2 for a separate roof over the back door  
2+1 for a lower portion of a roof that wraps around to a different side.

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**Author:** ![Darryl\_Lict](https://avatars.discourse-cdn.com/v4/letter/d/7cd45c/32.png) [@Darryl\_Lict](https://boards.straightdope.com/u/Darryl_Lict)\
**Post date:** [March 18, 2021, 7:52pm UTC](https://boards.straightdope.com/t/how-many-planes-on-your-houses-roof/932153/45 "2021-03-18T19:52:40Z")

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My house was originally rectangular but was remodeled several times by an ape with a hammer. The original roof was a gable with 2 planes. Now it has 11 planes, most of which leak. If I ever complete my remodel, it will have 2 planes with a single gable covering a rather bizarre floor plan.

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**Author:** ![Melbourne](https://avatars.discourse-cdn.com/v4/letter/m/b5e925/32.png) [@Melbourne](https://boards.straightdope.com/u/Melbourne)\
**Post date:** [March 19, 2021, 8:22am UTC](https://boards.straightdope.com/t/how-many-planes-on-your-houses-roof/932153/46 "2021-03-19T08:22:38Z")

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> [@Hampshire](#):
>
> New home built 3 years ago probably around 20. Must be a building trend going on.

Frames done to plan in a factory. No more cost to frame than any other shape – more joins, but shorter beams.

By my count, 12 (including the garage) as shown in this picture:  
[4010903212\_cd6aedbfe4\_b.jpg (1024×637) (staticflickr.com)](https://c2.staticflickr.com/4/3495/4010903212_cd6aedbfe4_b.jpg)

… oops wrong house

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**Author:** ![Shoeless](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/shoeless/32/7099_2.png) [@Shoeless](https://boards.straightdope.com/u/Shoeless)\
**Post date:** [March 19, 2021, 12:59pm UTC](https://boards.straightdope.com/t/how-many-planes-on-your-houses-roof/932153/47 "2021-03-19T12:59:32Z")

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Five on mine. Two in front - the roof on the left side of the house steps down about a foot from the center section. But only one plane across the back. And then a perpendicular “dormer” or whatever you call it over the garage on the right side.

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