Low Pitch Roof Definition

The pitch of a roof is its vertical rise over its horizontal span.

Low pitch roof definition.

This pitch might be as low as 1 12. A roof that is nearly flat or slightly pitched is called a flat roof or low slope roof no roof should be dead flat because it must have at least a slight slope to drain. And see roll roofing asphalt sbs. A low slope roof is one that has a slope of less than 3 in 12.

Roofs on victorian era houses were often sharply. This is the slope of geometry stairways and other construction disciplines or the trigonometric arctangent function of its decimal. Most low slope roofs have a slope of less than 3 in 12 which means that a roof that rises 3 inches for every foot of run will be defined as one that has a 3 in 12 slope. Just like any other roofing system low slope roof designs will have several effects on the overall construction of the building including the interior volume the style and design of the house the drainage system and the material used for covering.

Also see modified bitumen roofing. No roof can be completely flat as there has to be some measurement of slope in order for a roof to drain effectively. Low slope roofing is defined as any roof pitched at 3 in 12 or 14 degrees or 25 slope or less. For examples of low slope roofing designs materials.

Because low slope roofs also drain water more slowly than moderate or steep sloped roofs systems such as slate or asphalt shingles that rely on mechanical drainage for successful performance are not used. There are extreme instances were roofs will have a low pitch of 1 12 or 0 5 12 which is most common on flat rooftops on warmer climates and 12 12 which is quite common in colder climates since rain and snow will slip easier on steeper inclinations. How to pronounce low slope roof. It was fashionable for modern style homes built in the 1960s to have little pitch just a barely negligible slope to help drain water.

However most often a ratio of pitch also fraction is slang used for the more useful slope of rise over run of just one side half the span of a dual pitched roof. Low slope steep slope terms describe roof slope the slant of a roof. 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 from steep slope to low slope on the same structure. Low slope roofing materials choices costs life expectancy characteristics installation guidelines definition of low slope roofing.

Low slope roofing in other texts refers to roofing systems for pitches below 4 in 12 of slope. See low slope roofing. A low slope roof is one that slopes 2 in 12 to 4 in 12 of run. Finding the right products for your low slope roof.

Residential low slope roofing can generally be divided up into two broad categories.