Different Types Of Roof Slopes

Flat low slope steep slope roofs.

Different types of roof slopes.

They are also referred to as kicked eaved roofs and like mansard roofs they feature a double slope but unlike mansard roofing the upper slope has less of a pitch on a bonnet roof. The gable roof is by far the most popular style for sloping roof types. A roof with the shallow slope below the steeper slope at the eaves. Slopes greater than 18 12 are found on a frame roofs and some mansard style roofs.

I suspect the roof in the photo was a bit steeper before the building fell in. The popular simple hip roof is a type of roof where all four sides feature symmetrical gentle slopes towards the walls with no gables or vertical sides to the roof. With a bonnet roof the lower slope hangs over the front and back of the house making it an excellent cover for a porch or outdoor patio. Sawtooth roofs have two or more parallel pitched roofs in which the slope and vertical surfaces alternate.

The difference between the two is that the gambrel only has two sides while the mansard has four. In this post we will talk about five of the most common sloping roof types. This allows more room on the inside and in most cases creates an extra space. With a variety of residential roofs each has its pros and cons.

Pyramid roof pavilion roof. Compare with bell roof. Most flat roofs are not really 100 flat they are low sloped roofs that appear flat but have a little bit of a slope to allow for the run off water. Click to enlarge any image.

A japanese decorative pent roof. The bottom part of the roof slope is steeper so that the pitch of the roof barely starts. If asphalt shingles are to be installed on a low slope roof special steps are required to avoid short roof life and roof leaks. Low slope roofs are from 0 to 3 12 in pitch.

A hip roof on a square building. Some sources consider low slope to include 3 12 pitch roofs. Similar to mansard the lower side of the gambrel roof has an almost vertical steep slope while the upper slope is much lower. East asian hip and gable roof.

The exterior resembles the side view of a saw blade. These are more popular styles. The defining feature of hip roofs is that the roof faces are almost always identical in pitch making them symmetrical from the center point. Lapped nonsoldered seam metal roofs without applied lap sealant must have a minimum roof slope of 3 12 25 slope.

A gambrel or a barn roof is much like mansard in a sense that it has two different slopes. Homeowners love the feel and personality they bring to their homes. The minimum roof slope for metal roof panels depend on 3 different scenarios. See low slope roofing.

This means for every 12 horizontal units the roof must rise a minimum of 3 vertical units. Different sloping roof types.