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GLOSSARY
Roofing Terms
Architectural Shingle
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Asphalt Shingle
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Decking
(or wood sheathing) layer of lumber - generally OSB or Plywood that your underlayment and finish attach to.
Drip Edge
Metal flashing that is installed at the edges of the roof to help control the flow of water away from the fascia and to protect the underlying roofing components.
Eaves
The edge of a roof that sticks out or hangs over the building's side.
Fascia
Exposed horizontal trim board that is 90 degrees to the soffit. It protects the roof cavity from moisture and supports the gutter system
Flashing
Thin metal that is used to direct water away from critical areas of the roof like a wall or dormer. It may surround vents, chimneys, & skylights
Gable
A roof consisting of two sections whose upper horizontal edges meet to form a ridge
Ice Dam
A ridge of ice that forms at the edge of a roof and prevents melting snow from draining off the roof - often causing leaks and water damage
Ridge Cap
Material that is used to cover the peak of a gable roof where two sloping sides meet.
Soffit
Exposed siding that sits beneath your roof's overhang. It protects the rafters.
Squares
A measurement of your roof that is 10ft x 10ft often used by contractors to determine how much material is needed.
Valley
Where two roof facets meet at a slope to form an interior angle
Siding Terms
Board & Batten
Siding/paneling style that uses narrow strips of a meterial placed over joints of wide boards for a geometric layered style
Flange
The section of siding where the nailing slots/holes are located. Sometimes called a nail hem.
House Wrap
A weather resistant barrier placed underneath the siding preventing rain and other moisture from getting into the wall assembly
J-Channel
A bracket that's used to secure siding to the side of a house - It is in the shape of a J
Joint
The area where on panel of siding overlaps another.
Masonite
A hardboard siding made from a mixture of wood fibers, glue, & resins. These materials are compressed and heated to create a solid siding board
Tongue & Groove
Wood planking where adjacent boards are joined by interlocking ridges down their sides.
Reveal
A description for the amount of lap siding that is visible
Window Terms
Dormer
A roofed structure that projects out from the sloped roof of a house or building - often above windows.
Wainscoating
A wood lining or paneling that covers a wall. Often in symmetric geometric patterns
Weep Hole
A small opening at the bottom of the exterior frame of a window to allow water to drain
