Roofing terms that begin with ‘S’
Our roofing glossary defines common roofing terms. Please let us know if we are missing any words!
Quick-jump to our lists of roofing terms:
Asphalt used to impregnate an organic felt base material.
An asphalt-impregnated felt used as an underlayment between the deck and the roofing material.
The exposed section of double thickness on Timberline Series shingles – also called dragon teeth. Shaped to imitate wood shake look on the roof.
Sealant installed on shingles. After installation, heat and sun will activate sealant to seal the shingles to each other.
Shingles containing factory-applied strips or spots of self-sealing adhesive.
Self-Sealing Strip (or Spot)
Factory-applied adhesive that bonds shingle courses together when exposed to the heat of the sun after application.
The non exposed area on rolled roofing. Area without granules. Designed for nail placement and sealant.
Slight differences in shingle color that may occur as a result of normal manufacturing operations.
Exterior grade boards used as a roof deck material.
Roof design of a single roof plane. Area does not tie into any other roofs.
GAFMC’s shingle underlayment. Breather type with fiberglass backing to reduce wrinkles and buckles.
The area on rolled material where one roll overlaps the rolled material beneath it. Also called selvage edge on rolled roofing.
Where a vertical roof plane meets a vertical wall. The sides of dormers etc.
The degree of roof incline expressed as the ratio of the rise, in inches, to the run, in feet.
Intake ventilation installed under the eaves, or at the roof edge.
Smart Choice Limited Warranty
GAFMC’s standard shingle limited warranty.
Smart Choice® System Plus Limited Warranty
GAFMC’s next grade of enhanced warranty. Extended coverage for owners.
Roll roofing that is covered with ground talc or mica instead of granules (coated).
The finished underside of the eaves.
A vent pipe that penetrates the roof.
The horizontal distance from eaves to eaves.
A unit of roof measure covering 100 square feet. A roof with a field area of 2,500 square feet would be called a 25 square roof.
The first course of roofing installed. Usually trimmed from main roof material.
Steep Slope Roofing
Generally all slopes higher than 4/12 are considered steep slopes.
Metal flashing pieces installed at sidewalls and chimneys for weatherproofing.
GAFMC waterproof underlayment. Film surfaced rolled underlayment, 1.5 squares coverage per roll.