Gambrel And Mansard Roofs

Although the style was used as early as the mid 16th century in england and italy and was employed by pierre lescot at the louvre it was named for the 17th century architect françois mansart who used it on paris hôtel s.

Gambrel and mansard roofs.

The difference between the two is that the gambrel only has two sides while the mansard has four. A gambrel roof overhangs the façade whereas a mansard normally does not. The cross section of a gambrel roof is very similar to that of a mansard roof. Simply put the mansard roof also known as the french roof or curb roof is a hybrid between a gambrel roof and a hip roof.

You can consider gambrel roof to be a modified version of a gable roof. A gambrel roof is positioned such that it overhangs the façade of the building. Similar to mansard the lower side of the gambrel roof has an almost vertical steep slope while the upper slope is much lower. A gambrel or barn roof is much like mansard in a sense that it has two different slopes.

In cross section the straight sided mansard can appear like a gambrel roof but it differs from the gambrel by displaying the same profile on all sides. Mansard roof type of roof having two slopes on every side the lower slope being considerably steeper than the upper. The only significant difference is that a gambrel roof consists of vertical gable ends and is not hipped at the four corners of the building structure. A mansard or mansard roof also called a french roof or curb roof is a four sided gambrel style hip roof characterized by two slopes on each of its sides with the lower slope punctured by dormer windows at a steeper angle than the upper.

A mansard or mansard roof also called a duch roof is a four sided gambrel style hip roof characterized by two slopes on each of its sides with the lower slope at a steeper angle and more vertical than the upper punctured by dormer windows to create additional habitable space such as a garret.