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Display of roof pitches 1:12 through 18:12 A roof made of thatch, one of the oldest roofing materials, needs a steep pitch to drain properly Some types of stone roof have a very restrictive roof pitch, which can lead to leaking Working on roofs with pitches too steep for safety requires a staging of scaffolding boards secured with roof brackets A pitch gauge measuring the slope of an asphalt ...
A lean-to is originally defined as a structure in which the rafters lean against another building or wall, also referred to in prior times as a penthouse. [2] These structures characteristically have shed roofs, also referred to as "skillions", or "outshots" and "catslides" when the shed's roof is a direct extension of a larger structure's.
Bonnet roof: A reversed gambrel or Mansard roof with the lower portion at a lower pitch than the upper portion. Monitor roof: A roof with a monitor; 'a raised structure running part or all of the way along the ridge of a double-pitched roof, with its own roof running parallel with the main roof.'
A single-pitched roof can be a smaller addition to an existing roof, known in some areas as a lean-to roof, and a "outshot", "catslide", or skillion roof in others. Some Saltbox homes were expanded by the addition of such a roof, often at a shallower pitch than the original roof. Single-pitched roofs are used beneath clerestory windows.
This has a big advantage if you are measuring a tree on uneven ground or if you can only measure the tree from a single angle. One problem that also often occurs is in order to see the top of the tree; the surveyor must be farther away from the tree than possible using a yardstick length of 23–25 inches (58–64 centimetres) (average arm to ...
The horizontal alignment (or alinement in the United States) is done by using a predefined length of string line (such as 62-foot in the US and 20 meters in Australia [5]) to measure along the gauge side of the reference rail. It is the distance (in inches or millimeters) from the midpoint of the string line to the gauge of the reference rail.
An Adirondack lean-to or Adirondack shelter is a three-sided log structure popularized in the Adirondack Mountains of Upstate New York which provides shelter for campers. [1] Since their development in the Adirondacks, this type of shelter has seen use in a number of parks throughout the United States, such as Isle Royale National Park in ...
The pitch of a cricket is sometimes the same as the rest of the roof, but not always. For Steep-slope roofs, it is most common to have the cricket pitch to be equal to or less than the main roof, however for low-slope or flat roofs, it is more common to see the cricket be at least 50% greater slope than the roof, to minimize ponding.