Low Slope Roofing Definition

Slope is conveyed as a ratio and it stands for an amount of vertical rise for every 12 inches of a horizontal run which is again expressed as 3 12 or 3 in 12.

Low slope roofing definition.

Residential low slope roofing can generally be divided up into two broad categories. Finding the right products for your low slope roof. Tpo is a type of membrane roofing suitable for flat and low slope roofs. A low slope roof is one that slopes 2 in 12 to 4 in 12 of run.

Low slope roof noun according to astm standard e 1918 97 a roof in which the uppermost part is installed at a slope of 2 12 9 5 degrees or less. 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. There are a few design elements that will help building owners get the most from their roofing system. Definition of low slope roofing.

A low slope roof is one that has a slope of less than 3 in 12. Low slope roofing is defined as any roof pitched at 3 in 12 or 14 degrees or 25 slope or less. 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. Roofing calculator in the building trades the acronym tpo stands for thermoplastic polyolefin a material originally developed for pond liners and used extensively for roofing since 1989.

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. Low slope roofing in other texts refers to roofing systems for pitches below 4 in 12 of slope. This means that for every horizontal foot the roof level goes up less than 3 inches vertically. A low slope asphalt roofing system is cost effective durable and reliable.

Also see modified bitumen roofing. And see roll roofing asphalt sbs. See low slope roofing. 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.

A low slope roof design typically has a pitch of between 2 12 and 4 12.