Fort Worth Roofing: Article About Roof Pitch Matters

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The pitch of a roof is its geometric slope. In technical terms, roof pitch is the vertical height of a roof divided by its horizontal span. The alternative to a pitched roof is a flat roof. Flat roofs are easier to walk and work on, but roof angle serves a purpose other than making a Fort Worth roofing contractor's job more challenging. Roofs are sloped so that water runs off the roof rather than collects on it, which reduces the damage that can result from pooling water and mitigates snow and ice buildup.

Many commercial buildings have flat roofs or roofs that are practically flat. This design choice occurs for a number of reasons. A building can be so large that the required roof pitch is impractical, so the designer opts for a flat roof and an alternative drainage method. Sometimes, commercial buildings must house a lot of equipment on a roof, and, in these cases, a flat roof is a design choice that makes it easier and more economical for workers who aren't roofers to do their jobs.

Pitch certainly can have an effect on how long a roof lasts.

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If, for instance, an area experiences significant rainfall, then an inadequate pitch will lead to asphalt shingles that wear down more quickly. Nevertheless, there are many other factors, such as attic ventilation, shingle type and climate, which play a much bigger role in determining how long a roof will last. Steep and shallow pitches do offer advantages and disadvantages, and there are reasons why a builder might choose one over the other.

A steep roof allows water to drain off a roof more quickly. It's also less likely to allow leaves and other debris to collect. Such debris often provides the moisture and organic decay that sets the stage for algae, moss and other growth. Steep roofs, however, are more difficult to work on and usually lead to higher labor costs, and steepness dictates the degree to which the sun hits it in areas that aren't protected by tree coverage.

Roofs that have a low slope are homeowner friendly. Many homeowners can get up on a low slope to hang Christmas lights or perform inspections, cleaning and even minor repairs. Roofs with a low slope tend to withstand the sun better because the shingles are in the direct sunlight for less of a period each day, and that makes a low slope a good option for the sunny side of a home.

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