10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
The LA-RRC exam has 50 questions and runs 2 hours.
These 10 free LA-RRC questions are organized by exam domain, so you can see how each part of the Louisiana Residential Roofing Contractor Exam blueprint is tested. Reveal the answer and explanation under each question.
A crew is drying in a 3:12 asphalt-shingle roof. The specifications require the conventional two-layer asphalt-felt method. Which installation should the superintendent approve?
Correct answer: B - Start with a 19-inch strip, then apply 36-inch sheets with 19-inch course laps
At the lower end of a roof-to-sidewall intersection, the step flashing is properly interleaved and the gutter is clear. During ordinary rain, concentrated runoff bypasses the gutter and travels behind the siding. What repair most directly restores the intended water path?
Correct answer: C - Install a kickout flashing that directs runoff into the gutter
A 24-inch natural slate is being installed on a 6:12 roof in a standard double-lap layout. What exposure preserves the required minimum headlap?
Correct answer: C - 10 inches
An estimator advertises UL 2218 Class 4 shingles as "hail-proof" and promises that they cannot be damaged in a hailstorm. Which statement should replace that claim?
Correct answer: A - It is UL 2218's highest impact class, but hail can still damage the installed roof
After a reported hailstorm, an inspector finds round areas of granule loss on an aged shingle roof. Similar spots occur on sheltered slopes, several have ruptured dome-like centers, and there is no mat fracture, bruising, or collateral impact damage. Which conclusion is most defensible?
Correct answer: B - The pattern better fits blistering; hail damage has not been established
A two-story residence has a mean roof height of 42 feet in Exposure C with no topographic wind-speed-up effect. The ultimate design wind speed is 170 mph, and the project is within the ASTM D7158 table assumptions. What is the minimum acceptable shingle classification?
Correct answer: C - Class H
A rectangular building has a 40-foot by 30-foot horizontal roof projection, no overhangs or openings, and a 6:12 gable roof. Use a slope factor of 1.118, add 10% waste, and use 3 bundles per square. What is the minimum number of full bundles to order?
Correct answer: D - 45 bundles
A vaulted-ceiling renovation removed the rafter ties from the lower third of the roof. The opposing rafters meet at a nonstructural ridge board with no supported ridge beam, and the exterior walls are beginning to spread. Which correction addresses the load-path problem?
Correct answer: B - Restore rafter ties or install a supported, engineered ridge beam
A 40-inch-wide masonry chimney, measured perpendicular to a 7:12 roof slope, has a flat backpan but no cricket. Debris and water collect on the ridge side of the chimney. Which correction addresses the cause of the drainage problem?
Correct answer: D - Install an upslope cricket and integrate it with the chimney flashing
Roofers are working 12 feet above a lower level on a 7:12 roof. The crew proposes a warning line and safety monitor with no other fall-protection system. Under OSHA construction rules, which arrangement is acceptable for this work?
Correct answer: A - A guardrail with toeboards, a safety net, or a personal fall-arrest system
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