Louisiana Residential Roofing

Pass the Louisiana Residential Roofing Exam in 2026: Complete Study Guide

You've got the skills to put a roof over someone's head — now you need the license to prove it. The Louisiana Residential Roofing contractor exam is a real hurdle, but it's absolutely passable with the right preparation. This guide breaks down everything you need to know: what's on the test, how it's structured, which books to bring, and how to study smart. Whether you're sitting for the first time or retaking after a close miss, you're in the right place. Start by getting a feel for the exam format with our free practice exam, then read on to build a complete prep plan.

Louisiana Residential Roofing Exam Overview

The Louisiana Residential Roofing exam is administered by PSI and consists of 50 scored questions. You'll have 120 minutes (two hours) to complete it. To pass, you need to answer at least 35 questions correctly — that's a 70% score.

One of the biggest advantages of this exam: it's open book. You can bring approved reference materials into the test room with you. That's a significant edge if your books are well-organized and properly tabbed before exam day. We'll cover what's allowed — and what's not — in the FAQs below.

The exam is offered through PSI testing centers. You can find scheduling information and the official exam bulletin, and verify your licensing requirements through the state licensing website.

Topics Covered on the Louisiana Residential Roofing Exam

The exam tests five content areas. Here they are, ranked by how heavily they're weighted:

1. Installation of Roof Coverings — 18 items (36%)
This is the biggest chunk of the exam. Expect questions on asphalt shingle application methods, underlayment installation at varying slopes, clay and concrete tile fastening, and slate roofing installation. Know your slope-based requirements cold.

2. Materials — 15 items (30%)
You'll need to know ASTM standards for asphalt shingles (D3462, D3018), underlayment types, roof deck substrates, clay and concrete tile standards (C1167, C1492), and slate grades (C406). Material standards sound dry, but they're very testable.

3. Roofing Structures — 7 items (14%)
Slope calculations, sheathing specs, load considerations, and structural inspection before re-roofing. The math here isn't complicated, but you need to know your formulas.

4. Roof Drainage — 5 items (10%)
Primary and secondary drains, scupper sizing, gutter materials, valley construction types, and drip edge installation. Five questions might not sound like many, but they can be the difference between passing and failing.

5. Safety — 5 items (10%)
OSHA fall protection requirements, personal fall arrest systems, guardrails, warning line systems, and ladder safety. These come straight from 29 CFR 1926 — bring that book and know where to find the tables.

Study tip: Focus the bulk of your time on Installation and Materials — together they make up 66% of the exam.

Sample Louisiana Residential Roofing Exam Questions

Here's a look at the type of questions you'll face. Try to answer them before you look anything up — then take our free practice exam to see how you really do.

Question 1 — Installation of Roof Coverings (Easy)

A homeowner asks you to install asphalt shingles on a roof section with a 3:12 slope. Which type of asphalt shingle does NRCA consider most suitable for this low slope?

• A) Specialty large-format shingles
• B) Laminated shingles
• C) Triple-laminate shingles
• D) Three-tab shingles

Question 2 — Roof Drainage (Easy)

You are a residential roofing contractor installing wood shakes over spaced sheathing. When detailing the eave with water and ice-dam protection membrane, what is the minimum distance the self-adhering stripping ply must be turned down the fascia?

• A) 2 inches
• B) 3 inches
• C) ½ inch
• D) 1 inch

Question 3 — Safety (Easy)

When portable ladders are used for access to an upper landing surface, how far must the ladder side rails extend above the upper landing surface?

• A) At least 2 feet
• B) At least 3 feet
• C) At least 4 feet
• D) At least 5 feet

Question 4 — Roofing Structures (Medium)

You are estimating the actual length of a valley where two roofs of unequal slopes intersect on a residential home. The run of the low-sloping roof is 24 feet and the valley length factor from the appropriate table is 1.247. What is the actual valley length?

• A) 29.93 linear feet
• B) 19.24 linear feet
• C) 33.94 linear feet
• D) 25.25 linear feet

Question 5 — Materials (Medium)

NRCA defines 'impermeable' synthetic sheet underlayments as those with a water vapor transmission rating of less than what value?

• A) 0.5 perms
• B) 0.1 perms
• C) 1.0 perms
• D) 0.01 perms

Not sure about your answers? That's exactly what practice is for. Try our free practice exam to test your knowledge — no account required.

What Types of Questions to Expect by Topic

Here's what our Louisiana residential roofing exam prep question bank covers across each topic area:

Materials — 64 practice questions
These questions test your knowledge of ASTM material standards for asphalt shingles, underlayments, and tile products. You'll see questions about the difference between Type I and Type II felt, synthetic underlayment permeance ratings, plywood vs. OSB panel requirements, and how to identify slate grades.

Installation of Roof Coverings — 77 practice questions
The largest topic in our bank and on the real exam. Questions cover exposure calculations for shingles, fastener requirements for tile and slate, slope-based underlayment configurations, and proper sequencing of installation steps.

Roof Drainage — 25 practice questions
These questions cover IBC Section 1502 drain requirements, scupper minimum opening dimensions, open and closed-cut valley construction, drip edge placement at eaves and rakes, and gutter material standards.

Roofing Structures — 32 practice questions
Expect calculation-based questions on rise, run, pitch, and valley length factors (like Question 4 above). You'll also see questions about sheathing span ratings, dead vs. live load considerations, and when to use solid vs. spaced sheathing.

Safety — 25 practice questions
Drawn from OSHA 29 CFR 1926, these questions cover fall protection trigger heights for steep and low-slope roofs, personal fall arrest system anchor strength requirements, guardrail height and load specs, and ladder duty ratings.

In total, we offer 223 practice questions across all five topics. Between the free exam and the full paid version, you'll have plenty of material to work with.

Required Study Materials for the Louisiana Residential Roofing Exam

This is an open-book test, so your references do double duty — study tools before the exam, safety net during it. Here's what you need:

International Building Code 2021
The IBC covers roof drainage requirements, structural load design, and code-referenced installation standards. It's one of your approved references for the exam, so bring a tabbed and highlighted copy. Pay special attention to Section 1502 for drainage requirements.

OSHA Standards for the Construction Industry (29 CFR 1926)
All five Safety questions come from this book. The subparts covering fall protection, scaffolds, and ladders are particularly important. Pre-mark the tables for guardrail specs and personal fall arrest anchor loads — you'll thank yourself during the exam.

Roofing Construction and Estimating by Daniel Atcheson
This 1995 reference is approved for the exam and covers the practical side of roofing: material estimates, installation procedures, and structural calculations. The valley length factor tables referenced in Question 4 live here. Study the calculation chapters carefully.

In addition to these three, the NRCA Roofing Manual: Steep Slope Roof Systems (2026) is also an approved reference. You're responsible for bringing your own copy of all approved references — the testing center won't provide them.

Study Tips for the PSI Louisiana Roofing Practice Test and Exam Day

Tab your books before you go. With 120 minutes and 50 questions, you can afford to look things up — but only if you can find them fast. Use permanent tabs (no Post-It notes — they'll be confiscated). Label them by topic and code section.

Prioritize Installation and Materials. These two topics make up 33 of your 50 exam questions. If your time is limited, spend it here first.

Know your ASTM standards. Questions about whether a product meets D3462 or C1167 are straightforward if you've reviewed them — and easy to miss if you haven't.

Practice the math. Valley length calculations, slope ratios, and exposure calculations can trip you up if you're not comfortable with the formulas. Work through several examples until the process feels automatic.

Don't skip Safety. Five questions from one well-organized book is a reliable source of points. Get those five right and you're already 14% of the way to your passing score.

Frequently Asked Questions

How many questions are on the Louisiana Residential Roofing exam?
The exam has 50 scored questions.

What is the passing score?
You need to answer at least 35 questions correctly — that's 70% — to pass.

How much time do I have?
You get 120 minutes (2 hours) to complete the exam.

Is the Louisiana Residential Roofing exam open book?
Yes. You're allowed to bring approved reference materials into the test room. This is a significant advantage, but only if your books are well-organized before you arrive.

What references are allowed?
The approved references are: OSHA 29 CFR Part 1926, Roofing Construction & Estimating by Daniel Atcheson (1995), the NRCA Roofing Manual: Steep Slope Roof Systems (2026), and the International Building Code (2021). You must bring your own copies — the testing center does not provide them.

Can I annotate my books before the exam?
Yes — highlighting, underlining, margin notes, and permanent indexing tabs are all permitted before the exam. You cannot write in your books during the exam session. Loose papers or any additional papers attached to your books are not allowed and will be confiscated if found.

Can I use Post-It notes to tab my books?
No. Temporary tabs like Post-It notes must be removed before the exam begins. Only permanent tabs are permitted.

What topics does the exam cover?
The exam covers five areas: Materials (15 items), Installation of Roof Coverings (18 items), Roof Drainage (5 items), Roofing Structures (7 items), and Safety (5 items), totaling 50 questions.

Start Your Louisiana Residential Roofing Exam Prep Today

Passing the Louisiana Residential Roofing exam is genuinely achievable — 50 questions, open book, and a clear set of topics you can prepare for systematically. Get your references tabbed, work through the calculation problems until they feel routine, and use practice questions to find the gaps in your knowledge before exam day does.

Ready to see where you stand right now? Take our free practice exam — 10 questions, no account needed, no payment required. When you're ready to go deeper, the full practice exam matches the real test format with 50 questions, a timed interface, and a topic-by-topic score breakdown so you know exactly where to focus. Good luck — you've got this.