ROOFING TERMINOLOGY
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Roofing Term inology
1 Curved/Cranked/Bullnosed
A term used in building construction for rounded sheeting.
2 Barge Flashing
Weather proofing strip placed over corners where the roof
meets the side of building. (Straight or curved to follow roofline)
3 Down Pipe
Vertical pipe for carrying rainwater from a rain gutter to ground
level.
10 Gable
The triangular portion of a wall between the edges of a sloping
roof.
11 Sidewall Flashing
Used to waterproof the sheet which ends or runs
alongside parapet or other walls.
12 Headwall Flashing
Used to waterproof the top end of a sheet where it butts with a
parapet or headwall.
4 Gutter
The trough or duct under the eaves of a building for catching
and redirecting rainwater.
5 Eaves Level
Lowest point of roof.
6 Parapet Wall
The portion of an exterior wall that continues above the line of the roof.
7 Apex Flashing
Angled strip placed over apex of roof.
8 Soffit
The material forming a ceiling from the exterior building wall
to the outer edge of the roof, i.e., bridging the gap
between a building’s siding and the roofline,
otherwise known as the eaves.
13 Valley Flashing
Used as a gully between two adjoining roof planes.
14 Back Flashing
Flat flashing extending from the penetration
(chimney orventilator)
to ridge of roof.
15 Cravat
A collar fitted between the outer skin of a flue and the flashing.
16 Hip Flashing
Flashing used to cover the point on the roof where two
sections of roofing meet, often the highest point
of the roof, running horizontally..
17 Rib Cap
9 Ridge Flashing
A small sheet-metal cap fitted to the rib of the sheet only.
Flashing used to cover the point on the roof where two sections
of roofing meet, often the highest point of the roof,
running horizontally.
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