Algae Discoloration: A type of roof
discoloration caused by algae, also called fungus growth.
Blisters: Bubbles that may appear on the surface
of asphalt roofing after installation.
Asphalt Shingle: a shingle manufactured by
coating a reinforcing material (felt or fibrous glass mat) with asphalt and
having mineral granules on the side exposed to the weather.
Caulk: To fill a joint in order to prevent
leaks.
Counter Flashing: That portion of the flashing
attached to a vertical surface to prevent water from migrating behind the base
flashing.
Deck or Decking: The structural “skin” of a roof
over which roofing in applied. Most new homes have decking made of plywood.
Flashing: Pieces of metal or roll roofing used
to prevent seepage of water into a building around any intersection or
projection in a roof such as vent pipes, chimneys, adjoining walls, dormers and
valleys.
Gable Roof: A type of roof containing sloping
planes of the same pitch on each side of the ridge. A gable roof typically
contains a gable at each end.
Granules: Ceramic-coated colored crushed rock
that is applied to the exposed surface of asphalt roofing products.
Gutter: The trough that channels water from the
eaves to the downspouts.
Overhang: That portion of the roof structure
that extends beyond the exterior walls of a building.
Parapet: A low protective wall that extends
above the roofline or balcony for support.
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