North Carolina Roofing Contractor

In North Carolina, what is the monetary threshold above which a roofing contractor license is required?

• A$10,000
• B$20,000
• C$30,000
• D$50,000

Which board issues roofing contractor licenses in North Carolina?

• ANC Board of Plumbing, Heating & Fire Sprinkler Contractors
• BNC Licensing Board for General Contractors
• CNC Department of Labor
• DNC Department of Commerce

Who administers the North Carolina roofing contractor examination?

• APrometric
• BPearson VUE
• CPSI
• DProvExam

What is the passing score for the NC roofing contractor exam?

• A60%
• B65%
• C70%
• D75%

What is the exam fee for the NC roofing contractor exam?

• A$40
• B$60
• C$96
• D$125

The NC roofing contractor exam is administered in what format?

• AClosed-book, essay-based
• BOpen-book, multiple-choice, timed
• COral examination only
• DPractical hands-on demonstration

Under North Carolina lien law, what must a subcontractor do to preserve the right to file a lien on a private project?

• ANothing — lien rights are automatic
• BServe a Notice to Lien Agent within 15 days of first furnishing labor or materials
• CFile a lawsuit within 30 days
• DRegister with the NC Secretary of State

What is the role of a Lien Agent in North Carolina construction projects?

• ATo approve building permits
• BTo serve as a central clearinghouse for lien notices from subcontractors and suppliers
• CTo inspect completed roofing work
• DTo manage payroll for contractors

In NC, what is the deadline to file a claim of lien on a private project after last furnishing labor or materials?

• A30 days
• B60 days
• C120 days
• D1 year

What is the minimum OSHA-required trigger height for fall protection in roofing work?

• A4 feet
• B6 feet
• C10 feet
• D15 feet

On a steep-slope roof (greater than 4:12 pitch), what is the primary OSHA fall protection method when guardrails and safety nets are not feasible?

• ANo protection needed on steep slopes
• BPersonal fall arrest system (PFAS)
• CWarning line system alone
• DSafety monitor system alone

What is the minimum strength requirement for an OSHA-compliant anchorage point used for personal fall arrest?

• A1,000 pounds per worker
• B2,500 pounds per worker
• C5,000 pounds per worker
• D10,000 pounds per worker

What is the OSHA requirement for guardrail top rail height on a roofing project?

• A30 inches
• B36 inches
• C42 inches (+/- 3 inches)
• D48 inches

What OSHA standard governs scaffolding used in roofing work?

• A29 CFR 1926.451
• B29 CFR 1926.501
• C29 CFR 1910.134
• D29 CFR 1926.652

A ladder used to access a roof must extend how far above the roof edge?

• A12 inches
• B24 inches
• C36 inches (3 feet)
• D48 inches

What is the proper angle for setting up an extension ladder against a building?

• AA 1:4 ratio (1 foot out for every 4 feet of height)
• BA 1:2 ratio (1 foot out for every 2 feet of height)
• CThe ladder should be vertical
• DAny angle the worker prefers

Which OSHA Hazard Communication Standard requires Safety Data Sheets (SDS) for chemicals used on roofing jobs?

• A29 CFR 1926.59 (HazCom)
• B29 CFR 1926.451
• C29 CFR 1926.501
• D29 CFR 1926.251

What type of fire extinguisher should be available when performing hot-applied roofing operations?

• AClass A (ordinary combustibles) only
• BClass B (flammable liquids) rated extinguisher
• CClass C (electrical) only
• DNo fire extinguisher is required

What is the maximum temperature at which roofing asphalt should typically be heated in a kettle for built-up roofing application?

• A325°F
• B400°F
• C500°F (never exceeding the flash point)
• D600°F

What PPE is required when handling hot bitumen for built-up roofing?

• ASafety glasses only
• BLong sleeves, long pants, gloves, face shield or safety goggles, and heat-resistant boots
• CNo PPE is required for experienced roofers
• DHard hat only

According to the NC Building Code, what is the minimum roof slope for asphalt shingle installation?

• A1:12
• B2:12
• C4:12 (or 2:12 with double underlayment)
• DFlat (0:12)

What is the maximum number of roofing layers allowed on an existing residential structure before a tear-off is required per the NC Building Code?

• A1 layer (tear-off always required)
• B2 layers of roofing
• C3 layers of roofing
• DNo limit

What does the NC Building Code require for ice dam protection in areas with a history of ice forming along eaves?

• ANo ice dam protection is required in NC
• BAn ice barrier membrane extending at least 24 inches beyond the interior wall line
• CStandard underlayment only
• DMetal drip edge only

What is the IRC requirement for attic ventilation expressed as a ratio of net free ventilating area to attic floor area?

• A1:100
• B1:150
• C1:300
• D1:500

What is the minimum fire rating classification for roof coverings required by the NC Building Code in most areas?

• ANo fire rating required
• BClass C
• CClass B
• DClass A

What wind speed design criteria does the NC Building Code use for roofing in coastal areas?

• A85 mph basic wind speed
• B110 mph basic wind speed
• C130-160 mph ultimate design wind speed depending on risk category
• D200 mph for all coastal areas

What type of underlayment is required beneath asphalt shingles on a roof with a slope of 4:12 or greater?

• ANo underlayment is needed
• BOne layer of ASTM D226 Type I (#15) felt or approved synthetic underlayment
• CTwo layers of #30 felt minimum
• DRubber membrane only

What is the standard exposure for a 3-tab asphalt shingle?

• A3 inches
• B5 inches
• C7 inches
• D12 inches

What is the recommended nailing pattern for standard asphalt shingles in a non-high-wind zone?

• A2 nails per shingle
• B4 nails per shingle, placed above the self-seal tab line
• C6 nails per shingle
• D8 nails per shingle

In high-wind areas of North Carolina, how many nails are required per asphalt shingle?

• A4 nails
• B5 nails
• C6 nails
• D8 nails

What is the purpose of a starter strip (starter course) along the eaves?

• APurely decorative
• BTo provide a continuous seal line and fill the spaces between shingle tabs in the first c…
• CTo add insulation value
• DTo replace the drip edge

What is a ridge vent and what is its primary purpose?

• AA decorative cap for the roof peak
• BA continuous exhaust vent installed at the ridge that allows hot air and moisture to esca…
• CA plumbing vent that exits at the ridge
• DAn intake vent installed at the ridge

What is the purpose of a drip edge on a roof?

• ATo prevent birds from nesting
• BTo direct water away from the fascia and into the gutters, and to support the edge of the…
• CTo provide additional insulation
• DTo cover exposed nail heads

At what roof location should drip edge be installed first?

• AAlong the rakes (gable ends) first
• BAlong the eaves first, then the rakes overlap on top
• CAt the ridge first
• DDrip edge installation order does not matter

What is step flashing and where is it used?

• AA decorative flashing used on flat roofs
• BL-shaped metal pieces woven into shingle courses where a roof meets a vertical wall
• CA single continuous piece of flashing along a wall
• DA plastic strip used at the ridge

What is counter-flashing and how does it differ from base flashing?

• ACounter-flashing is installed below base flashing
• BCounter-flashing is embedded in or attached to the wall surface and covers the top of the…
• CThey are different names for the same thing
• DCounter-flashing is only used on flat roofs

What is the minimum recommended overlap for valley flashing metal?

• A2 inches
• B4 inches
• CThe valley flashing should extend at least 12 inches from the centerline on each side (24…
• D6 inches total width

What material is commonly used for sheet metal flashing on residential roofs in North Carolina?

• ACopper only
• B26-gauge galvanized steel or aluminum
• CCast iron
• DPlastic sheeting

What causes a galvanic reaction in roofing metals and how is it prevented?

• AIt occurs when two identical metals touch
• BIt occurs when dissimilar metals are in direct contact in the presence of moisture, causi…
• CIt only happens in saltwater environments
• DIt is caused by UV exposure

What is a built-up roof (BUR) system?

• AA roof built from the ground up
• BA multi-layered roof system consisting of alternating layers of bitumen and reinforcing f…
• CA single-ply membrane system
• DA shingle system with extra layers

How many plies are typical in a standard built-up roofing system?

• A1 ply
• B2 plies
• C3 to 4 plies
• D8 to 10 plies

What is the purpose of the aggregate (gravel) surface on a built-up roof?

• APurely decorative
• BTo provide UV protection for the bitumen, fire resistance, ballast against wind uplift, a…
• CTo improve drainage
• DTo allow foot traffic

What are the four types of roofing asphalt classified by ASTM D312?

• ATypes A, B, C, and D
• BTypes I (dead level), II (flat), III (steep), and IV (special steep)
• CTypes 15, 30, 45, and 90
• DGrades 1, 2, 3, and 4

What is elastomeric roofing?

• AA rigid tile roofing system
• BA flexible rubber-like coating or membrane that can stretch and recover its original shap…
• CA type of asphalt shingle
• DA metal roofing system

What is the primary advantage of elastomeric roof coatings over traditional BUR?

• ALower initial cost always
• BSeamless application, reflectivity (energy savings), flexibility, and the ability to be a…
• CGreater weight for wind resistance
• DHigher fire rating