2 Slope Roof

The steep slope may be curved.

2 slope roof.

Built up roofs must have a design roof slope of 1 4 12 or greater 2 slope. Holly smith architects designed this louisiana home. This means for every 12 horizontal units the roof must rise a minimum of one fourth vertical unit. These roofs have a pitch less than 4 12.

Thus pitch is typically greater in areas of high rain or snowfall. An element of the second empire architectural style mansard style in the u s. Generally such roofs have a pitch ranging from 1 2 12 to 2 12. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance.

Finding the right products for your low slope roof. A roof similar to a mansard but sloped in one direction rather than both. 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. Simply put it s a shallow roof.

Residential low slope roofing can generally be divided up into two broad categories. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. That means the roof doesn t shed water as easily as steeper roofs which is why choosing the right type of roofing material is so important. A roof pitch multiplier also known as a roof pitch factor is a number that when multiplied by the area covered by a sloped roof gives the actual area of the roof.

Coal tar built up roofs however can have a design roof slope of 1 8 12 1 percent but no less. A roof with the pitch divided into a shallow slope above a steeper slope. In degrees 10 2 in 12 or 1 in 6 is considered a minimum. Photography by marc lamkin.

The exact roof slope in degrees is given by the arctangent. Definitions vary on when a roof is considered pitched. Conventional roofs are the easiest to construct and you can walk on them safely. The slope of the roof on this modern pond side house allows the solar panels to take in as much energy as possible and lets rain water fall back into the pond to help with drainage around the house.

Low pitched roofs are generally difficult to maintain and you need special materials to prevent leaks.