Know Your House: What Kind of Roof Do You Have?
Gable, hip, gambrel, mansard — the shape of your roof says something about your home’s connection to earth and sky
Bud Dietrich, AIA
April 17, 2016
Houzz Contributor. My name is Bud Dietrich and I am an architect located in the Tampa Bay area of Florida. I am licensed to practice architecture in Illinois, Florida, New Jersey & Wisconsin. Since 1996 I have worked from my home office and provide full architectural services exclusively to the single family residential market. My passion is to transform my clients' houses into their homes. I strive to have the "new" home accommodate my clients' lives without fighting them at every junction. I look to add curb appeal to encourage a beautiful streetscape. And I design any addition to look and feel like it has always been there.
Our projects have won numerous design awards as well as having been featured on television (CBS News Sunday Morning, HGTV, CLTV, etc.), in magazines (Better Homes...
Houzz Contributor. My name is Bud Dietrich and I am an architect located in the Tampa... More
Just about the most common roof type is the gable roof. The shape on children’s drawings of houses and on the building pieces in the game of Monopoly, the gable roof is seen everywhere and just about every culture.
Although this roof type is inexpensive and easily built, I don’t think that its simplicity explains its popularity. Instead, I believe that its shape, which lifts us up to the sky, speaks to optimism and hope. Perhaps this is why so many churches use the gable roof to cover the gathering space.
And lest we think that the gable roof is only for a traditionally styled home (think Colonial), its simplicity of shape and form makes it easily adaptable for a more contemporary aesthetic.
The Gable Goes Mobile, Micro and Mod
The Gable Goes Mobile, Micro and Mod
Another common roof type is the hip roof. This roof, unlike the gable, has a pitch on all sides so that it acts to cradle and hold down the house. In this way, it speaks to the horizontal plane, tying the house to the earth. No wonder it was the favorite roof type for the Prairie School architects.
The hip roof is another simply formed and easily built roof that efficiently sheds water. But unlike the gable roof, this roof eliminates large expanses of wall on the exterior. This can reduce the amount of exterior siding or other finish and, therefore, can be a cost-effective option. But I wouldn’t select it simply for that reason.
The hip roof is another simply formed and easily built roof that efficiently sheds water. But unlike the gable roof, this roof eliminates large expanses of wall on the exterior. This can reduce the amount of exterior siding or other finish and, therefore, can be a cost-effective option. But I wouldn’t select it simply for that reason.
Rather, I’d select a hip roof to keep the house low and horizontal such that it sits gently on the earth.
A roof type that clearly sticks to the traditional aesthetic is the gambrel roof. This roof, unlike the gable with its single slope on each roof face, has multiple sloping faces. A shallow slope lower in the roof structure is followed by a steeper slope high up the face. The advantage of this roof type is that it provides for more interior space under the roof than the gable roof does.
The gambrel roof has been popular for barns, but it can also provide for an elegant and substantial exterior elevation for a house.
Dutch Colonial Homes Settle on the Gambrel Roof
Dutch Colonial Homes Settle on the Gambrel Roof
While the previous roofs have multiple pitched sides, the shed roof has one pitch only. Starting low and reaching upward, this roof is wonderfully simple to engineer and construct. It’s an ideal roof type for where there’s a big view or lots of sunshine that wants to be taken into the home.
A shed roof also creates a dramatic interior space when the underside of the roof structure is allowed to be the ceiling of the room. And by having a tall wall at one side, the shed roof can let in abundant sunshine, and allow views out and up to the sky.
A shed roof also creates a dramatic interior space when the underside of the roof structure is allowed to be the ceiling of the room. And by having a tall wall at one side, the shed roof can let in abundant sunshine, and allow views out and up to the sky.
A deep overhang on a shed roof emphasizes the planar nature of the roof and creates a shading device that can allow winter sun to enter the house while keeping out summer sun.
One of the more interesting roof structures is the butterfly roof. This roof is shaped like the wings of a butterfly and is like two shed roofs that meet over the house. Used for a more contemporary-styled home, this roof type allows for two tall exterior walls that are opposite each other.
Having the low point of the roof over the home’s interior can be a disadvantage since, if not constructed properly, leaks can occur. However, it can also be considered an advantage if used for water collecting (for the residents’ greywater needs).
Having the low point of the roof over the home’s interior can be a disadvantage since, if not constructed properly, leaks can occur. However, it can also be considered an advantage if used for water collecting (for the residents’ greywater needs).
A really nice attribute of a butterfly roof is the taller exterior walls, which let views and light into the home. Another welcome feature is that it can be used to create sheltered exterior spaces under the roof that fit within the overall structure of the home.
As roofing materials improved and modern aesthetics became popular, the low-slope roof grew in use. Sometimes referred to as a flat roof, the low-slope roof isn’t totally flat since some slope is needed to let water drain. Think of this roof as similar to your shower floor. Whether with a center drain or a drain located along the edge, the shower floor (or roof) must be pitched to create positive drainage.
In many ways, this roof is, at least visually, a nonroof. By visually disappearing, it allows the exterior walls of the house to become the dominant architectural feature.
In many ways, this roof is, at least visually, a nonroof. By visually disappearing, it allows the exterior walls of the house to become the dominant architectural feature.
So whether the design intent is to create a house that’s low-slung and horizontal or …
… when a machined, precise and Euclidean aesthetic is desired, a low-slope roof should be considered.
A more traditionally styled roof that’s been around for many centuries is the mansard roof. Its sophisticated aesthetic belies its reputed start in the cities of France as a response to tax policies.
In a sense, this roof is more wall than roof, with its almost vertical sloping sides on all faces of the house. It maximizes interior space on the upper level, which, though called an “attic,” can serve as a living floor.
In a sense, this roof is more wall than roof, with its almost vertical sloping sides on all faces of the house. It maximizes interior space on the upper level, which, though called an “attic,” can serve as a living floor.
Traditionally used mostly in urban settings, the mansard roof became popular on small cottages in 19th-century America, possibly due to a fascination with French culture and design. I like to think that mansards became popular because they provided sophistication to even the most modest of houses and buildings constructed during that time.
There are many more roof types, including barrel vault (shown), domed, Dutch gable and tented. While all serve the function of shedding water and keeping the interior dry, each speaks to a different design aesthetic and, as such, a different relationship between the home and the earth and sky.
Read more about roof styles, materials and their impact on your home’s design
Read more about roof styles, materials and their impact on your home’s design
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A year ago we bought a little Spanish bungalow with a mostly flat roof. We love it's charm but wonder if we should put back the roof tiles that were removed some years back? They were on the left of the rounded entrance and just provided a continuous row across the left flat edge; decorative only. Any thoughts Houzzers?
Some advantages to a shed roof are; one run of guttering and just basic shingling skill because of no valleys / ridges.