roof surface
21Flat roof — A flat roof is a type of covering of a building. In contrast to the sloped form of a roof, a flat roof is horizontal or nearly horizontal. Materials that cover flat roofs should allow the water to run off freely from a very slight… …
22Skillion roof — A skillion roof is normally a single sloping roof surface, not attached to another roof surface. Skillion roofs are sometimes called a shed roof, a flat roof, in the UK and Australia.The term skillion can also be used for a smaller addition to an …
23Bell roof — Roof Roof, n. [OE. rof, AS. hr?f top, roof; akin to D. roef cabin, Icel. hr?f a shed under which ships are built or kept; cf. OS. hr?st roof, Goth. hr?t. Cf. {Roost}.] 1. (Arch.) The cover of any building, including the roofing (see {Roofing})… …
24Flat roof — Roof Roof, n. [OE. rof, AS. hr?f top, roof; akin to D. roef cabin, Icel. hr?f a shed under which ships are built or kept; cf. OS. hr?st roof, Goth. hr?t. Cf. {Roost}.] 1. (Arch.) The cover of any building, including the roofing (see {Roofing})… …
25French roof — Roof Roof, n. [OE. rof, AS. hr?f top, roof; akin to D. roef cabin, Icel. hr?f a shed under which ships are built or kept; cf. OS. hr?st roof, Goth. hr?t. Cf. {Roost}.] 1. (Arch.) The cover of any building, including the roofing (see {Roofing})… …
26Blue roof — A blue roof is a roof design that is explicitly intended to store water, typically rainfall. Blue roofs can provide a number of benefits depending on design. These benefits include temporary storage of rainfall to mitigate runoff impacts, storage …
27Ruled surface — A hyperboloid of one sheet is a doubly ruled surface: it can be generated by either of two families of straight lines. In geometry, a surface S is ruled if through every point of S there is a straight line that lies on S. The most familiar… …
28Green roof — Traditional sod roofs can be seen in many places in the Faroe Islands …
29Sod roof — A sod roof or turf roof is a traditional Scandinavian type of roof covered with sod on top of several layers of birch bark on gently sloping wooden roof boards. Until the late 19th century it was the most common roof on rural log houses in large… …
30Metal roof — A metal roof, often referred to as a tin roof, is a roofing system made from metal pieces or tiles. It is a component of the building envelope. Enough corrugated zinc/aluminium sheeting to cover an average sized house, transported by motor cycle …
