Illinois Roofing Contractor

Which state agency administers roofing contractor licensing in Illinois?

• AIllinois Department of Labor
• BIllinois Department of Financial and Professional Regulation (IDFPR)
• CIllinois Capital Development Board
• DIllinois Commerce Commission

How many questions are on the Illinois Limited Roofing License exam?

• A60 questions
• B80 questions
• C100 questions
• D130 questions

What is the examination fee charged by Continental Testing Services for the Illinois roofing contractor exam (Limited, Unlimited, or upgrade)?

• A$125
• B$200
• C$248
• D$350

Under Illinois law, what is the primary difference between a Limited and Unlimited Roofing License?

• ALimited licenses are only valid for 1 year; Unlimited are valid for 3 years
• BLimited licenses allow commercial work if the contract is under $50,000
• CLimited licenses are restricted to residential properties of 8 units or less; Unlimited c…
• DLimited licenses do not require insurance; Unlimited licenses do

How often does Illinois administer roofing contractor licensing exams?

• AWeekly on demand
• BMonthly
• CBimonthly (every two months)
• DQuarterly

Which roofing system uses multiple layers of bitumen and reinforcing felts to create a continuous sealed surface?

• ASingle-ply membrane system
• BBuilt-up roofing (BUR) system
• CMetal standing seam system
• DGreen vegetative roofing system

What is the primary advantage of a TPO (thermoplastic polyolefin) roofing membrane over EPDM?

• ATPO is significantly cheaper to install
• BTPO has heat-welded seams that create a stronger bond
• CTPO does not require any maintenance
• DTPO is only suitable for residential applications

What is the minimum slope recommended for asphalt shingle installation according to manufacturer standards?

• A1:12
• B2:12
• C4:12
• D6:12

In a modified bitumen roofing system, what does the SBS modifier provide?

• AIncreased fire resistance
• BEnhanced flexibility and elasticity, especially in cold temperatures
• CFaster installation time
• DElimination of the need for flashing

Which type of roofing underlayment is required in ice dam-prone areas of Illinois?

• AStandard 15 lb. asphalt felt
• BIce and water shield (self-adhering membrane)
• CSynthetic non-woven underlayment
• DHouse wrap material

What is the purpose of a roof cricket (saddle)?

• ATo provide ventilation at the ridge
• BTo divert water around a chimney or other penetration
• CTo reinforce the roof deck at hip intersections
• DTo support solar panel mounting brackets

According to OSHA, what is the minimum height at which fall protection is required for roofing work?

• A4 feet
• B6 feet
• C8 feet
• D10 feet

When using a personal fall arrest system on a roof, what is the maximum free-fall distance allowed by OSHA?

• A4 feet
• B6 feet
• C8 feet
• D12 feet

What is the OSHA-required minimum width for a walkway on a roofing job site?

• A16 inches
• B18 inches
• C20 inches
• D24 inches

What type of fire extinguisher is required on a roofing job site when using a hot tar kettle?

• AClass A (ordinary combustibles)
• BClass B (flammable liquids)
• CClass C (electrical)
• DClass D (combustible metals)

According to OSHA, a portable ladder used for roof access must extend at least how far above the landing surface?

• A2 feet
• B3 feet
• C4 feet
• D5 feet

What is the correct nailing pattern for standard three-tab asphalt shingles in a high-wind zone?

• A4 nails per shingle in the nailing strip
• B6 nails per shingle in the nailing strip
• C4 nails per shingle plus adhesive at all tabs
• D8 nails per shingle evenly spaced

What is the standard exposure for a three-tab asphalt shingle on a roof with adequate slope?

• A4 inches
• B5 inches
• C5-5/8 inches
• D6 inches

What is the recommended minimum attic ventilation ratio according to the International Building Code?

• A1:100 (1 sq ft of vent per 100 sq ft of attic space)
• B1:150 (1 sq ft of vent per 150 sq ft of attic space)
• C1:200 (1 sq ft of vent per 200 sq ft of attic space)
• D1:300 (1 sq ft of vent per 300 sq ft of attic space)

In Illinois, what is the minimum roof live load requirement per the building code for ordinary flat roofs?

• A10 psf
• B15 psf
• C20 psf
• D30 psf

According to the Illinois Building Code, when is a building permit required for a roofing project?

• AOnly for commercial buildings
• BOnly when adding a new roof structure
• CFor any roofing work including re-roofing and repairs over a certain threshold
• DOnly when the property changes occupancy class

Under the International Building Code adopted in Illinois, what is the maximum number of layers of asphalt shingles allowed on a residential roof?

• A1 layer
• B2 layers
• C3 layers
• DNo limit

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

• ATo provide ventilation along the eaves
• BTo direct water away from the fascia and into the gutter
• CTo prevent ice from forming on the roof edge
• DTo hold the first course of shingles in place

When installing step flashing along a wall-to-roof intersection, each piece should overlap the piece below by at least:

• A1 inch
• B2 inches
• C3 inches
• D5 inches

What does the term 'square' refer to in roofing measurement?

• AA 10 ft × 10 ft area (100 square feet)
• BA 12 ft × 12 ft area (144 square feet)
• COne bundle of shingles
• DA 1 ft × 1 ft test area

When estimating the number of shingles needed for a roof, what is the typical waste factor added for a standard gable roof?

• A3-5%
• B5-10%
• C10-15%
• D20-25%

A roofing contractor measures a hip roof that is 40 feet wide and 60 feet long. What is the approximate roof area in squares if the pitch factor is 1.12?

• A24 squares
• B26.88 squares
• C30 squares
• D33.6 squares

What tool is used to measure the pitch (slope) of an existing roof?

• ATransit level
• BPitch gauge or speed square
• CLaser distance meter
• DMeasuring wheel

What is the most common cause of premature asphalt shingle failure?

• AUV degradation from sun exposure
• BImproper ventilation of the attic space
• CUsing the wrong nail length
• DRain exposure during installation

What type of metal is most commonly used for flashing on residential roofs due to its cost-effectiveness and corrosion resistance?

• ACopper
• BLead
• CGalvanized steel
• DStainless steel

What is the minimum thickness of roof sheathing (plywood or OSB) required for a standard residential roof with 24-inch rafter spacing?

• A3/8 inch
• B1/2 inch
• C5/8 inch
• D3/4 inch

What is the primary purpose of roof ventilation in an Illinois home during summer months?

• ATo prevent condensation on interior windows
• BTo reduce attic temperature and lower cooling costs
• CTo meet fire code requirements
• DTo strengthen the roof structure

In Illinois, what is the ground snow load used for structural roof design in the Chicago area?

• A15 psf
• B20 psf
• C25 psf
• D30 psf

Which Class rating indicates the highest fire resistance for a roofing material?

• AClass A
• BClass B
• CClass C
• DClass D

What is the minimum slope for a single-ply EPDM membrane roof?

• ADead flat (0:12)
• B1/4:12 (1/4 inch per foot)
• C1/2:12
• D1:12