Roofs and Trusses

Question 1

A roof shape having only one sloping plane.

Answer 1

Shed Roof

Question 2

Another term for Shed Roof.

Answer 2

Lean-to Roof

Question 3

Another term for Shed Roof other than Lean-to Roof.

Answer 3

Pent Roof

Question 4

A roof having single slope on each side of a central ridge. Usually with a gable at one or both ends.

Answer 4

Gable Roof

Question 5

Another term for Gable Roof.

Answer 5

Pitch Roof

Question 6

Also, Hip and Valley Roof. A roof which slopes upward from all four sides of a building, requiring a hip rafter at each corner.

Answer 6

Hip Roof

Question 7

A hipped roof that usually has four to six sloping surfaces, terminating in a peak.

Answer 7

Pyramidal Roof

Question 8

A roof hipped equally on all sides, so as to have a pyramidal form; a pyramidal hipped roof.

Answer 8

Pavillion Roof

Question 9

A roof which has two pitches on each side; In Great Britain it is called a Mansard Roof.

Answer 9

Gambrel Roof

Question 10

Another term for Gambrel Roof.

Answer 10

Curb Roof

Question 11

Four sided Gambrel style hipped roof, has two slopes on each side with lower slope.

Answer 11

Mansard Roof

Question 12

A development of the Shed roof made into a series of lean-to roofs covering one building; This is commonly used in factories where extra light is required through the clerestory formed in the vertical portion of the roof.

Answer 12

Saw Tooth Roof

Question 13

A two-shed roof where the slopes meet at the center of the building.

Answer 13

Butterfly Roof

Question 14

A gable roof with partial hips at the end of the ridges.

Answer 14

Hipped Gable

Question 15

Another term for Hipped Gable Roof.

Answer 15

Jerkinhead Roof

Question 16

A semi-cylindrical roof covering a space similar to a barrel vault.

Answer 16

Barrel Roof

Question 17

A two-sided pitch roof curving gradually down from the ridge in the form of a Gothic Arch.

Answer 17

Rainbow Roof

Question 18

Another term for Rainbow Roof.

Answer 18

Whaleback Roof

Question 19

A hemispherical form of roof usually found in observatories.

Answer 19

Dome

Question 20

Is a steep roof of circular section that tapers uniformly from the circular base to a central point.

Answer 20

Conical Roof

Question 21

Another term for Conical Roof.

Answer 21

Spire

Question 22

A very strong membrane or fabric stretched to form as a roofing.

Answer 22

Tensile Membrane Roof

Question 23

A structure composed of a combination of members, usually in some triangular arrangement so as to constitute a rigid framework; A structural frame based on the geometric rigidity of the triangle.

Answer 23

Truss

Question 24

A principal member of a truss which extends from end to the other, primarily to resist bending.

Answer 24

Chord

Question 25

Any member which joins the top and bottom chords.

Answer 25

Web

Question 26

A vertical member extending from the apex of the inclined rafters to the tie beam between the rafters and the lower ends.

Answer 26

King Post

Question 27

A king post having shoulders and notches at its lower end to support the feet of struts.

Answer 27

Joggle Post

Question 28

A horizontal member which ties together and stiffens two opposite common rafters, usually at a point about halfway up the rafters.

Answer 28

Collar Beam

Question 29

Galvanized iron roofing used as a roof cover.

Answer 29

Corrugated GI Sheet

Question 30

Standard commercial width of a Corrugated GI Sheet.

Answer 30

0.80m

Question 31

Standard commercial length of a Corrugated GI Sheet.

Answer 31

1.50m to 3.60m

Question 32

Standard commercial size of a PLAIN GI Sheet.

Answer 32

0.90m x 2.40m

Question 33

The term used for the shape of a roof cover.

Answer 33

Profile

Question 34

Used to fasten roof to steel purlins.

Answer 34

Tek Screw

Question 35

Used to fasted roofs to wood purlins.

Answer 35

Umbrella Nail

Question 36

Sheet of metal that hides the corner of a roof joint.

Answer 36

Flashing

Question 37

A roofing material that comes in different profiles and colors that is made of plastic.

Answer 37

Corrugated Plastic Roof

Question 38

Lightweight but extremely tough corrugated roofing composite material that has a shingle-like texture.

Answer 38

Onduline Roofing

Question 39

A type of roofing material that is fire-resistant, durable and requires little maintenance that overlap or interlock to create a strong textural pattern.

Answer 39

Clay Roofing

Question 40

The shape most commonly associated with historic clay roofing tiles is probably that of convex or rounded tiles.

Answer 40

Pan Tile

Question 41

S-shaped clay tiles where one interlock with the other.

Answer 41

Spanish Tiles

Question 42

A type of clay tile where one half cylinder overlaps another inverted half cylinder to form a cover and pan arrangement.

Answer 42

Barrel Tile

Question 43

Another term for Barrel Tile.

Answer 43

Mission Tile

Question 44

Another term for cover and pan arrangement of Barrel/Mission Tile.

Answer 44

Cap and Through

Question 45

Roof covering that is made of tar or asphalt which is not applicable to tropical weathers.

Answer 45

Shingles