Above All Roofing has put together a list of roofing terms to help make your roofing experience a bit easier to understand!
Above All Roofing Co. is here for all your roofing needs. We specialize in everything from New Roofs, Repairs, Inspections, Maintenance, Seamless Gutters, and Insulation for Residential and Commercial properties. We are a family owned and operated contractor located in Vacaville, California; serving the surrounding counties and the Bay Area. We have extensive knowledge, with 37 years of experience in many types of roofing systems, including Asphalt Shingles, Wood Shakes, Built-up Roofing, Tile and Slate, just to name a few. Our goal is to provide you with quality workmanship, timely service and fair pricing. Our estimates are always free.
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M
Mansard- A roof design with a nearly vertical roof plane that ties into a roof plane of less slope at its peak.
Mats- The general term for the base material of shingles and certain rolled products.
Modified bitumen- Rolled roofing membrane with polymer modified asphalt and either polyester or fiberglass reinforcement.
Mortar- Mixture of sand, mortar, limestone and water used in bonding a chimney’s bricks together.
N
Nail-guide-line- Painted line on laminated shingles, to aid in the proper placement of fasteners.
Nail-pop- When a nail is not fully driven, it sits up off the roof deck.
Nesting- Installing a second layer of shingles aligning courses with the
original roof to avoid shingle cupping.
NRCA- The National Roofing Contractors Association. It is a respected national organization of roofing contractors.
NRCA- The National Roofing Contractors Association. It is a respected national organization of roofing contractors.
O
Open valley- Valley installation using metal down the valley center.
Organic mat- Material made from recycled wood pulp and paper.
Organic Shingles- Shingles made from organic (paper) mats.
OSB- Oriented Strand Board. A decking made from wood chips and lamination glues.
Over-driven- The term used for fasteners driven through roofing material with too much force, breaking the material.
Over-exposed- Installing shingle courses higher than their intended exposure.
Organic mat- Material made from recycled wood pulp and paper.
Organic Shingles- Shingles made from organic (paper) mats.
OSB- Oriented Strand Board. A decking made from wood chips and lamination glues.
Over-driven- The term used for fasteners driven through roofing material with too much force, breaking the material.
Over-exposed- Installing shingle courses higher than their intended exposure.
P
Pitch-ratio of the rise of the roof to the span of the roof.
Power vents- Electrically powered fans used to move air from attics and structures.
Power vents- Electrically powered fans used to move air from attics and structures.
Plastic cement- Asphalt based sealant. Also called bull, mastic, tar, asphalt cement.
Plumbing vents- Term used to describe plumbing pipes that project through a roof plane. Also called vent stacks.
Prevailing wind- The most common direction of wind for a particular region.
Plumbing vents- Term used to describe plumbing pipes that project through a roof plane. Also called vent stacks.
Prevailing wind- The most common direction of wind for a particular region.
Q
Quarter sized- Term for the size of hand sealant dabs, about the size of a U.S. 25¢ piece.
R
Racking- Method of installing shingles in a straight up the roof manner.
Rake edge-The vertical edge of gable style roof planes.
Release film- The plastic sheet installed on the back of Weather Watch® and StormGuard® underlayments. Used for packaging and handling. Remove before installation.
Rigid vent- Hard plastic ridge vent material.
Roof louvers- Rooftop rectangular shaped roof vents. Also called box vents, mushroom vents, airhawks, or soldier vents.
Roof plane- A roofing area defined by having four separate edges. One side of a gable, hip or mansard roof.
Rake edge-The vertical edge of gable style roof planes.
Release film- The plastic sheet installed on the back of Weather Watch® and StormGuard® underlayments. Used for packaging and handling. Remove before installation.
Rigid vent- Hard plastic ridge vent material.
Roof louvers- Rooftop rectangular shaped roof vents. Also called box vents, mushroom vents, airhawks, or soldier vents.
Roof plane- A roofing area defined by having four separate edges. One side of a gable, hip or mansard roof.
S
Sawteeth- The exposed section of double thickness on Timberline® Series shingles. Shaped to imitate a wood shake look on the roof.
Self-sealant- Sealant installed on shingles. After installation, heat and sun will activate sealant to seal the shingles to each other.
Selvage- The non exposed area on rolled roofing. Area without granules. Designed for nail placement and sealant.
Shed roof- Roof design of a single roof plane. Area does not tie into any other roofs.
Shingle-Mate®- GAFMC’s shingle underlayment. Breather type with fiberglass backing to reduce wrinkles and buckles.
Side-laps- The area on rolled material where one roll overlaps the rolled material beneath it. Also called selvage edge on rolled roofing.
Side-walls- Where a vertical roof plane meets a vertical wall. The sides of dormers etc.
Soffit ventilation- Intake ventilation installed under the eaves, or at the roof edge.
Self-sealant- Sealant installed on shingles. After installation, heat and sun will activate sealant to seal the shingles to each other.
Selvage- The non exposed area on rolled roofing. Area without granules. Designed for nail placement and sealant.
Shed roof- Roof design of a single roof plane. Area does not tie into any other roofs.
Shingle-Mate®- GAFMC’s shingle underlayment. Breather type with fiberglass backing to reduce wrinkles and buckles.
Side-laps- The area on rolled material where one roll overlaps the rolled material beneath it. Also called selvage edge on rolled roofing.
Side-walls- Where a vertical roof plane meets a vertical wall. The sides of dormers etc.
Soffit ventilation- 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.
Starter strip- 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.
Step-flashing- Metal flashing pieces installed at side-walls and chimneys for weather-proofing.
StormGuard®- GAFMC waterproof underlayment. Film surfaced rolled underlayment, 1.5 squares coverage per roll.
Smart Choice® System Plus Limited Warranty- GAFMC’s next grade of enhanced warranty. Extended coverage for owners.
Starter strip- 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.
Step-flashing- Metal flashing pieces installed at side-walls and chimneys for weather-proofing.
StormGuard®- GAFMC waterproof underlayment. Film surfaced rolled underlayment, 1.5 squares coverage per roll.
T
Tab- The bottom portion of traditional shingle separated by the shingle cut-outs.
Tear-off- Removal of existing roofing materials down to the roof deck.
Telegraphing- When shingles reflect the uneven surface beneath them. Shingles installed over buckled shingles may show some buckles.
Timberline® Series- GAFMC’s trademark name for laminated wood shake style shingles.
TIMBERTEX®- GAFMC enhanced Hip and Ridge Shingles.
Transitions- When a roof plane ties into another roof plane that has a different pitch or slope.
Tear-off- Removal of existing roofing materials down to the roof deck.
Telegraphing- When shingles reflect the uneven surface beneath them. Shingles installed over buckled shingles may show some buckles.
Timberline® Series- GAFMC’s trademark name for laminated wood shake style shingles.
TIMBERTEX®- GAFMC enhanced Hip and Ridge Shingles.
Transitions- When a roof plane ties into another roof plane that has a different pitch or slope.
U
Under-driven- Term used to describe a fastener not fully driven flush to the shingles surface.
Underlayments- Asphalt based rolled materials designed to be installed under main roofing material, to serve as added protection.
Underlayments- Asphalt based rolled materials designed to be installed under main roofing material, to serve as added protection.
V
Valleys-Area where two adjoining sloped roof planes intersect on a roof creating a "V" shaped depression.
Vapor- Term used to describe moisture laden air.
Ventilation- The term used in roofing for the passage of air from an enclosed space.
Vapor- Term used to describe moisture laden air.
Ventilation- The term used in roofing for the passage of air from an enclosed space.
W
Weather Watch®- GAFMC’s granule surfaced waterproof underlayment.
Woven Valleys- The method of installing valleys by laying one shingle over the other up the valley center.
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