2 Slope Roof

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.

2 slope roof.

The steep slope may be curved. Residential low slope roofing can generally be divided up into two broad categories. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. Low pitched roofs are generally difficult to maintain and you need special materials to prevent leaks.

Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow. Definitions vary on when a roof is considered pitched. A roof with the pitch divided into a shallow slope above a steeper slope. Holly smith architects designed this louisiana home.

An element of the second empire architectural style mansard style in the u s. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. Built up roofs must have a design roof slope of 1 4 12 or greater 2 slope. 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.

Photography by marc lamkin. The exact roof slope in degrees is given by the arctangent. Coal tar built up roofs however can have a design roof slope of 1 8 12 1 percent but no less. Generally such roofs have a pitch ranging from 1 2 12 to 2 12.

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 similar to a mansard but sloped in one direction rather than both. The maths behind this number is that it is the square root of rise run 2 1. This means for every 12 horizontal units the roof must rise a minimum of one fourth vertical unit.

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. In degrees 10 2 in 12 or 1 in 6 is considered a minimum. Finding the right products for your low slope roof. Thus pitch is typically greater in areas of high rain or snowfall.

Larger flat roofed applications low slope such as residential condominium complexes row homes and town houses and smaller applications such as residential porch and garage transitions from the main home where the slope of the roof changes dramatically.