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2. Retractable roof - Wikipedia

   en.wikipedia.org/wiki/Retractable_roof

   A retractable roof is a roof system designed to roll back the roof of a structure so that the interior of the facility is open to the outdoors. [1] Retractable roofs are sometimes referred to as operable roofs or retractable skylights. The term operable skylight, while quite similar, refers to a skylight that opens on a hinge, rather than on a ...

3. Sunroof - Wikipedia

   en.wikipedia.org/wiki/Sunroof

   Removable roof panels (t-tops or targa roofs) open a vehicle roof to the side windows, providing a wider opening than other roof systems. The Targa body style is identical in configuration to the Sedanca but is designed for owner-driven rather than chauffeured cars and while a Sedanca style implies a rear passenger area, the Targa does not.

4. Jack arch - Wikipedia

   en.wikipedia.org/wiki/Jack_arch

   A jack arch, and a jack arch with a relieving arch above, as illustrated in the Lexikon der gesamten Technik The Mardin jack arch, view from the crypt underneath. A jack arch is a structural element in masonry construction that provides support at openings in the masonry.

5. List of roof shapes - Wikipedia

   en.wikipedia.org/wiki/List_of_roof_shapes

   Butterfly roof (V-roof, [8] London roof [9]): A V-shaped roof resembling an open book. A kink separates the roof into two parts running towards each other at an obtuse angle. Karahafu: A type of gable found in some traditional Japanese buildings. Hidden roof: A type of Japanese roof construction.

6. Building envelope - Wikipedia

   en.wikipedia.org/wiki/Building_envelope

   One of the main purposes of a roof is to resist water. Two broad categories of roofs are flat and pitched. Flat roofs actually slope up to 10° or 15° but are built to resist intrusion from standing water. Pitched roofs are designed to shed water but not resist standing water intrusion which can occur during wind-driven rain or ice damming ...

7. Skyroof - Wikipedia

   en.wikipedia.org/wiki/Skyroof

   Skylight, a window, dome, or opening in a roof or ceiling to admit natural light; Sunroof, an opening in an automobile roof which allows light and/or fresh air to enter the vehicle; Roof window, an outward opening window that is incorporated as part of the design of a roof; registered trademark in USA for automotive sunroof and architectural ...