Mansard Roof Pitch

A mansard roof also known as a french roof is a four sided roof with a double slope on each side that meet forming a low pitched roof.

Mansard roof pitch. The two main types of mansard roofs can include the double pitch and the steep sides style roofs. Just like the gambrel roof the mansard roof features a similar slope design on two opposite sides. The steep slope may be curved. Finally mansard roofs have a flat top with sides that lip over the top a little and hang over the home.

However on the other pair of sides the mansard roof features the same sloping style. The gambrel roof style commonly seen in barns in north america is a close cousin of the. It forms a low pitch and mostly known as a curb roof. The concept of this roof is said to be originated in the 16th century.

Now that you have a clear idea about what a gambrel roof is like let us explore the mansard roof in detail. However they gained popularity in the 17th century by francois mansart. Using the space as a full. Two distinct traits of the mansard roof steep sides and a double pitch sometimes lead to it being confused with other roof types.

Mansard roof the mansard roof was used to add an extra storey without increasing the height of the building adversely. Mansard roofs can help create a great deal of extra living space. Pitched roofs begin with with slopes greater than 3 in 12. Detail of traditional mansard shown in fig.

Mansard roof formations often produce an original pitch that can only be seen from a neighbouring building. The lower slope is so steep that it can look like a vertical wall with dormers. The lower slope is much steeper than the upper. The upper slope has a low pitch and is not easily seen from the ground.

Mansard roofs with nearly vertical faces can boast a pitch of 20 in 12. Since the upper slope of a mansard roof is rarely visible from the ground a conventional single plane roof with steep sides may be misidentified as a mansard roof. Gambrel roofs resemble barn roofs. The sides can either be flat or curved depending on the style.

Flat roofs if your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width. A mansard roof has two slopes on each of the four sides. The term mansard comes from the french architect françois mansart 1598 1666 of the beaux arts school. The mansard roof is a combination of gambrel and hip roof.

A roof with the pitch divided into a shallow slope above a steeper slope. Victorian terrace traditional mansard. A roof similar to a mansard but sloped in one direction rather than both. A four sided or french roof with double slopes on each side is called a mansard roof.

The 45 degree roofs seen on a frame houses are 12 in 12 but roofs can be even steeper consider the mansard roofs introduced by french second empire architects in the middle of the 1800s. This is illustrated in the examples below.