Gambrel Roof Slopes

A gambrel or a barn roof is much like mansard in a sense that it has two different slopes.

Gambrel roof slopes.

The gambrel roof style commonly seen in barns in north america is a close cousin of the mansard. Similar to mansard the lower side of the gambrel roof has an almost vertical steep slope while the upper slope is much lower. To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a. However the mansard is a curb hip roof with slopes on all sides of the building and.

This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. A gable roof has only two rafter or truss chord angles a top cut at the peak and a bottom cut at the walls. A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof. A gambrel roof features two distinct slopes one steeper than the other to create a barn like look on homes garages and sheds.

The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7. A gambrel roof can be defined as the type of roof that essentially consists of two slopes on each side i e. It is a symmetrical two sided roof. A gambrel or gambrel roof is a usually symmetrical two sided roof with two slopes on each side.

A gambrel roof is a popular roof style on many contemporary barns and sheds. Both mansard and gambrel roofs fall under the general classification of curb roofs a pitched roof that slopes away from the ridge in two successive planes. This roof style offers several advantages including space drainage ease of building and affordability making it a roof style worth considering for your project. A gambrel style is often called a barn roof.

Its double or sometimes triple slopes on each side of a peak provide more space inside the roof which is attractive to homeowners too. If you plan on building and installing your own gambrel roof you ll have to draw out plans first to determine the proper dimensions. Gambrel roofs are symmetrical with two slopes on each side of the roof. The difference between the two is that the gambrel only has two sides while the mansard has four.