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Roof pitch. Roof pitch is the steepness of a roof expressed as a ratio of inch (es) rise per horizontal foot (or their metric equivalent), or as the angle in degrees its surface deviates from the horizontal. A flat roof has a pitch of zero in either instance; all other roofs are pitched. A roof that rises 3 inches per foot, for example, would ...
Pinus rigida, the pitch pine, [2] [3] is a small-to-medium-sized pine. It is native to eastern North America , primarily from central Maine south to Georgia and as far west as Kentucky. It is found in environments which other species would find unsuitable for growth, such as acidic, sandy, and low-nutrient soils.
Tree height is the vertical distance between the base of the tree and the tip of the highest branch on the tree, and is difficult to measure accurately. It is not the same as the length of the trunk. [note 1] If a tree is leaning, the trunk length may be greater than the height of the tree. The base of the tree is where the projection of the ...
The stone pine, botanical name Pinus pinea, also known as the Italian stone pine, Mediterranean stone pine, umbrella pine and parasol pine, is a tree from the pine family (Pinaceae). The tree is native to the Mediterranean region, occurring in Southern Europe and the Levant. The species was introduced into North Africa millennia ago, and is ...
Mansard (French roof): A roof with the pitch divided into a shallow slope above a steeper slope. The steep slope may be curved. An element of the Second Empire architectural style (Mansard style) in the U.S. Gambrel, curb, kerb: A roof similar to a mansard but sloped in one direction rather than both. Bell-cast (sprocketed, flared): A roof with ...
Depending on subspecies, Pinus contorta grows as an evergreen shrub or tree. The shrub form is krummholz and is approximately 1 to 3 meters (3 to 10 ft) high. The thin and narrow-crowned tree can grow 40 to 50 m (130 to 160 ft) high and achieve up to 2 m (7 ft) in diameter at chest height. [3] The murrayana subspecies is the tallest.
The crown is a pyramidal head that contains several small branches. It does not change much throughout the tree's lifetime. [2] The tree has very strong roots, and thus it is able to withstand high winds; additionally, the tree can survive in very dry conditions. The roots are able to reach great depths to search for water.
To construct buildings, the planks would be erected side by side in a narrow trench, with the upper portions lashed with willow or hazel and held by notches cut into the supporting roof beams. Redwood boards were used to form a two- or three-pitch roof. [13] Reconstructed Yurok plankhouse made of redwood boards