One Mistake That Can Ruin Your Fortified Roof Installation

The demand for Fortified roof installation is growing fast in Oklahoma—especially now that qualifying homeowners can get up to $10,000 in state grant funding to upgrade.

But there’s a critical catch.

If your contractor makes one mistake—wrong materials, missing documentation, incorrect nail spacing—your roof won’t be certified. And without certification, you lose the grant, the designation, and the long-term protection you were promised.

This article breaks down what can go wrong—and how to make sure it doesn’t.

Key Takeaways: Why Proper Fortified Roof Installation Matters

Upgrading to a Fortified roof can transform your home’s resilience—but only if it’s installed correctly. Here’s what homeowners should remember:

  • Fortified roofs must follow strict, prescriptive standards set by IBHS. Deviations—even minor ones—can void the Fortified designation.
  • Improper installation of materials like OSB decking (e.g., vertical placement) can disqualify the project entirely.
  • Approved materials must be verified before installation. Using the wrong nails, underlayment, or decking—even by accident—can force a full restart.
  • Contractor training and on-site supervision are essential. Crew size, experience, and documentation habits all impact success.
  • The IBHS audit process includes photo and video documentation, precise measurements, and real-time collaboration between the contractor and evaluator.
  • Homeowners should ask direct questions about a contractor’s experience with Fortified systems and their documentation protocols.
  • Even with a grant, Fortified installation requires discipline, planning, and attention to detail—it’s not a standard roofing job.

Why Precision Matters in Fortified Roof Installation

One Missed Detail Can Cost You Everything

More Oklahoma homeowners are turning to Fortified roof installation to protect against wind and hail—and for good reason. The IBHS Fortified program is the gold standard in roofing resilience, backed by science and real-world performance.

With the launch of the Strengthen Oklahoma Homes Grant Program, qualifying homeowners can now receive up to $10,000 to upgrade their roof to Fortified standards.

But here’s the catch:
If your contractor doesn’t follow the Fortified guidelines exactly, your roof won’t qualify for designation. There are no do-overs. The audit will fail, and you may lose both the certification and the grant.

“If it’s not installed correctly, the home will not be designated,” explains Scott McCollum Sr., Master Haag Certified Inspector and Fortified Evaluator. “There are errors that are irreversible—short of tearing it off and starting over.”


Why the Audit Process Is So Strict

All Fortified roofs must pass an independent evaluation and audit conducted by the Insurance Institute for Business & Home Safety (IBHS). These experts check not only materials, but how they’re installed—and whether every step was properly documented.

Even a small deviation—like using the wrong nails, installing underlayment out of sequence, or forgetting photo evidence—can disqualify the entire roof.


What Can Go Wrong During Fortified Roof Installation

It’s Not Just About Materials—It’s About Method

A Fortified roof isn’t just a product. It’s a prescriptive system. If a contractor treats it like a standard re-roof, mistakes happen—and those mistakes matter.

“This isn’t a job you rush through in a day,” says Scott. “You need full-time supervision, trained crews, and plane-by-plane execution.”

Here are some real-world issues Scott has personally observed on Fortified job sites:

Installation ErrorWhy It Fails the Audit
Incorrect nail spacing or nail typeFORTIFIED requires ring-shank nails with verified spacing—missing this voids certification
Wrong decking orientation (vertical)OSB must be laid horizontally; vertical panels are structurally unsound
Non-compliant underlayment or drip edgeOnly IBHS-approved materials may be used—substitutes are not allowed
No photo documentationEvery step must be photographed, including nail spacing with tape measure visible
Out-of-sequence workShingles installed before the deck is inspected or nailed? Automatic failure

Fortified Roofing Requires Full-Time Oversight

To prevent these mistakes, McRoof deploys trained bilingual supervisors on every Fortified roof. Crews are intentionally kept small so every step can be monitored. No one moves to the next phase until the current one is verified and documented.

“We set a tripod camera on every roof,” says Scott. “We document every step—not just for compliance, but to teach others how it should be done.

One Mistake That Can Ruin Your Fortified Roof Installation

The Opportunity—and the Risk

With severe hail and wind events increasing across Oklahoma, more homeowners are choosing Fortified roof installation to protect their homes and lower insurance costs. Thanks to the Strengthen Oklahoma Homes Grant Program, qualified homeowners can now receive up to $10,000 toward this upgrade.

But this isn’t your average roofing job.

“If your contractor doesn’t follow the Fortified guidelines exactly, your roof will not be designated,” warns Scott McCollum Sr., Master Haag Certified Inspector and Fortified Evaluator at McRoof. “You can’t fix it later without tearing it off and starting over.”

That one mistake—wrong nails, incorrect decking, or missing documentation—can cost you the grant and the long-term protection Fortified roofing is designed to deliver.


Fortified Certification Isn’t Optional—It’s Audited

Every Fortified roof must be inspected and approved by an IBHS-trained evaluator. If any part of the process deviates from the Fortified construction standard—whether due to poor installation or incomplete documentation—the project fails the audit.

There are no second chances. That’s why contractor experience, supervision, and documentation are critical.


What Can Go Wrong on a Fortified Roof Job

You’re Not Just Installing a Roof—You’re Building a System

FORTIFIED isn’t about slapping on better shingles. It’s a complete roofing system with strict specifications for:

  • Materials
  • Fasteners
  • Attachment methods
  • Installation sequencing
  • Photo and video documentation

“We’ve had contractors show up with the wrong nails, the wrong underlayment, and even the wrong decking orientation,” says Scott. “All of it would’ve failed the audit—and it happens more often than you’d think.”


Common Mistakes That Will Disqualify a Fortified Roof

MistakeWhy It Fails
Using smooth-shank or incorrect nailsFortified requires ring-shank nails at specific spacing—verified with photos
Installing OSB verticallyDecking must be installed horizontally to meet structural standards
Unapproved materials on siteIf it’s not on the IBHS-approved list, it can’t go on the roof
No progress photosEvery phase (decking, fastening, sealing) must be documented with measurements
Working out of orderCrews cannot begin shingles until attachment and inspection steps are complete

Fortified Requires Focus, Supervision, and Skill

This is why McRoof limits crew size on Fortified projects, provides bilingual supervision, and assigns on-site leaders with printed installation detail sheets. Every phase is captured on camera and reviewed before moving to the next.

“If we don’t catch the mistake, the audit will,” says Scott. “And no one wants to tell a homeowner their roof won’t be certified after all that work.”


Let me know when you’re ready for Section 3 and Section 4, which will show how McRoof actively prevents these failures—and why going Fortified is worth every bit of extra effort.

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Great! Here’s Section 3 and Section 4 of the article, continuing the structure and tone for a homeowner audience looking to understand the value of Fortified roofing and how McRoof ensures quality outcomes.


How McRoof Prevents Fortified Roofing Failures

Full-Time Oversight, Not Finger-Pointing After the Fact

At McRoof, Fortified is never treated as “just another roof.” Each project includes real-time oversight, deep training, and extensive documentation—all aligned with the latest IBHS standards.

“We assign a team lead to every Fortified roof,” says Scott McCollum Sr., Master Haag Certified Inspector and Fortified Evaluator. “That person doesn’t leave the site. They ensure every step is done right and documented as we go.”


Proven Systems Built for Accountability

Here’s how McRoof delivers successful Fortified installations from day one:

McRoof PracticePurpose
Pre-job crew trainingEnsures every installer knows IBHS protocols
Material staging & pre-checksVerifies only approved nails, underlayment, and decking are on site
Dedicated bilingual on-site supervisorOversees install and ensures nothing gets lost in translation
Tripod-mounted video & photo documentationCaptures nail spacing, deck orientation, water sealing steps, and more
Plane-by-plane progress approvalEach roof section must be verified before moving to the next phase

Coaching the Crew, Educating the Homeowner

While most contractors subcontract and disappear, McRoof embeds quality control at every level—before, during, and after the install.

Scott shares:

“We’re not just supervising. We’re coaching subcontractors, answering questions from evaluators, and educating the homeowner along the way. It’s a collaborative, accountable approach.”


Why Fortified Roofing Is Worth the Extra Effort

This Isn’t Just About a Roof—It’s About Peace of Mind

A Fortified roof isn’t just more durable—it’s engineered to resist Oklahoma’s most destructive weather. Homeowners with a Fortified designation benefit from:

  • Up to $10,000 in grant funding through the Strengthen Oklahoma Homes program
  • Lower insurance premiums due to reduced risk
  • Enhanced home resale value with a recognized, third-party certification
  • Longer roof lifespan with fewer replacements from hail or wind
  • Peace of mind during every storm season

It’s Not Just the Roof—It’s Who Builds It

The Fortified program doesn’t just test materials—it audits workmanship. So if you choose the wrong contractor, even the best shingles and nails won’t matter.

“A failed audit means a failed designation. And that means the grant money is gone, too,” Scott warns.

That’s why McRoof invests in the most qualified supervisors, trains every crew thoroughly, and documents every inch of every install. With hundreds of successful Fortified projects completed, McRoof understands what it takes to pass the audit the first time—and protect your home for years to come.

Installing a Fortified roof isn’t just about using stronger materials—it’s about following a proven, prescriptive system with no room for shortcuts. As Scott McCollum Sr. explains, a single mistake—like misaligned decking or the wrong type of nail—can jeopardize the entire installation, wasting valuable time and money.

For homeowners in Oklahoma, especially those using the Strengthen Oklahoma Homes grant, it’s vital to work with a contractor who understands Fortified standards and can back it up with documentation and day-to-day supervision. Your roof is your first line of defense—don’t trust it to guesswork.

👉 Ready to protect your home the right way? Schedule a free Fortified roof inspection with McRoof at https://mcroof.us/contact-us. Let’s make sure your investment is done right the first time.