2025/2026 Latest Edition | Verified Questions
with Correct Answers | Graded A+
The Louisiana 7-803 Residential Roofing Exam (updated 2025/2026 edition) provides
verified, exam-based practice questions and 100% correct answers. This prep resource focuses
on roofing installation standards, Louisiana Residential Building Code compliance, safety
practices, roofing materials, flashing and underlayment requirements, slope and drainage
systems, estimating, contracts, and repair/maintenance practices relevant to Louisiana
licensure.
Overview
This comprehensive review ensures contractors and roofing professionals meet the Louisiana
State Licensing Board for Contractors (LSLBC) standards for the 7-803 Residential
Roofing classification. Rated A+ for reliability, this exam prep strengthens knowledge in
residential roofing systems, job site safety, Louisiana-specific codes, and business practices
necessary for compliance and professional practice. The Louisiana 7-803 Exam includes 50
accurate questions based on the actual exam format, covering technical knowledge, safety,
and regulatory compliance.
Answer Format
Correct answers are highlighted in bold green. Each question includes rationales explaining
why the answer is correct, referencing building codes, roofing best practices, and Louisiana
regulatory requirements.
Exam Questions
Roofing Installation Standards
1. What is the minimum slope required for asphalt shingle roofs in Louisiana?
A. 1:12
B. 2:12
C. 3:12
D. 4:12
Rationale: The Louisiana Residential Code (based on IRC R905.2.2) requires a
, minimum 2:12 slope for asphalt shingles to ensure proper water runoff.
2. What is the purpose of underlayment in residential roofing?
A. Add color
B. Provide a secondary water barrier
C. Increase weight
D. Reduce costs
Rationale: Underlayment (e.g., felt or synthetic) acts as a secondary barrier against
leaks, per Louisiana code.
3. What is the standard fastener type for asphalt shingles?
A. Nails only
B. Corrosion-resistant nails
C. Staples
D. Screws
Rationale: Louisiana code requires corrosion-resistant nails (e.g., galvanized) for
shingles to prevent rust.
4. What is the required overlap for starter shingles?
A. 1 inch
B. 2 inches
C. 3 inches
D. 4 inches
Rationale: Starter shingles must overlap 2 inches to ensure a watertight seal at the
eave.
5. What is a key requirement for valley flashing in Louisiana?
A. No flashing needed
B. Metal flashing with 6-inch underlayment
C. Asphalt only
D. Plastic material
Rationale: Louisiana code requires metal valley flashing with 6-inch underlayment for
water diversion.
Louisiana Residential Building Code Compliance
6. Which code governs residential roofing in Louisiana?
A. International Plumbing Code
B. International Residential Code (IRC)
C. National Electrical Code
D. Uniform Building Code
Rationale: The Louisiana Residential Code is based on the IRC, Chapter 9, for roofing
standards.