Reviewed for accuracy by Danny Britt, Owner.Florida certified roofing contractor (CCC1333157) and licensed home inspector (HI16574).
FORTIFIED™ roof certification in Florida is a voluntary construction standard created by the Insurance Institute for Business & Home Safety. It calls for a sealed roof deck, stronger deck attachment, and locked-down edge metal, and an independent evaluator has to verify the work. Homes that meet the standard receive a designation that documents those upgrades for an insurance carrier.
What Is an IBHS FORTIFIED Roof?
The Insurance Institute for Business & Home Safety, or IBHS, is a research organization funded by the insurance industry. It builds full-size houses inside a test chamber, hits them with hurricane-force wind and rain, and writes construction standards based on what failed. FORTIFIED came out of that testing.
An IBHS FORTIFIED roof is a roof built and documented to that standard rather than to the minimum a building code allows. The FORTIFIED Roof program published by IBHS targets three failure points the testing kept exposing: the roof edge, the seams in the roof deck, and the nails holding that deck to the rafters. Fix those three, and the roof is far less likely to peel off in a windstorm.
That matters in Florida, where storm claims tend to start the same way. Wind lifts part of the roof covering, water follows it into the attic, and the damage spreads through ceilings and drywall. A FORTIFIED roof is designed to keep water out even after some of the covering is gone.
What Are the Three FORTIFIED Designation Levels?
FORTIFIED home certification is a ladder with three rungs. Each level includes everything in the level below it, so a home cannot skip ahead.
FORTIFIED Roof
This is the entry level and the one most Florida homeowners pursue, because it can be earned during a normal replacement. It covers the roof deck, the deck attachment, the roof edge, the roof cover, and attic ventilation. Nothing below the roofline is involved.
FORTIFIED Silver
Silver keeps every FORTIFIED Roof requirement and adds protection for openings and attached structures. That means stronger attachment for gable end overhangs, soffits, and chimneys, along with impact protection for windows and doors.
FORTIFIED Gold
Gold keeps everything in Silver and adds a continuous load path, a chain of connectors tying the roof to the walls and the walls to the foundation. The house then transfers wind forces into the ground as one connected structure instead of coming apart at the joints.
Most re-roofing projects stop at FORTIFIED Roof. Silver and Gold require work beyond the roof, so homeowners pursue them during a renovation or on new construction.
What Does the FORTIFIED Roof Standard Require?
The FORTIFIED roof requirements are specific, and they are the reason a FORTIFIED roof costs more in labor and materials than a standard tear-off.
A sealed roof deck
Every seam in the plywood or OSB decking gets sealed, either with self-adhered flashing tape over each joint or with a fully adhered underlayment across the whole deck. If the shingles blow off, that sealed layer keeps rain out of the attic.
Stronger deck attachment
The decking is refastened to the rafters or trusses with ring-shank nails on a tighter pattern than typical construction uses. Ring-shank nails have raised rings along the shaft that grip the wood and resist pulling out under uplift. Staples and smooth-shank nails do not meet the standard.
Locked-down edges
Wind attacks a roof at its perimeter first, so the standard requires wider drip edge and edge metal fastened at closer intervals. Starter strips at the eaves and rakes have to be rated and installed to hold the first course of shingles down.
Attic ventilation detailing
Ridge vents, off-ridge vents, and soffit vents have to be rated to resist wind-driven rain, because an unrated vent turns into an open funnel during a hurricane. Vents that fall short get replaced or sealed.
Homeowners planning a replacement in Northeast Florida can request a free estimate from Domestic Design Roofing and ask what a FORTIFIED build would involve on their roof.
What Is a FORTIFIED Roof vs. a Regular Roof?
A regular roof in Florida is built to the minimum its building code requires, which is already strong by national standards. FORTIFIED sits above that minimum and adds third-party verification on top. That check is what separates a hurricane rated roof in Florida from a code-minimum one.
The practical differences come down to four things:
- Deck seams. A standard roof relies on underlayment over unsealed seams, while a FORTIFIED roof has every seam sealed as a secondary water barrier.
- Fasteners. A standard roof may use smooth-shank nails at code spacing, while a FORTIFIED roof uses ring-shank nails on a tighter pattern.
- Edge metal. A standard roof uses conventional drip edge, while a FORTIFIED roof uses wider edge metal fastened at closer intervals.
- Proof. A standard roof is verified by a permit inspection, while a FORTIFIED roof is verified by an independent evaluator who documents each requirement and submits the file to IBHS.
That last point is the one carriers care about most. A designation is a documented record that specific construction details exist, produced by someone with no financial stake in the job.
Who Evaluates and Certifies a FORTIFIED Roof?
A contractor cannot certify its own FORTIFIED work. The designation is issued only after a credentialed FORTIFIED evaluator, trained and approved through the IBHS program, reviews the evidence and submits it for approval.
The evaluator is independent by design. Their role is to confirm that the sealed deck, the fasteners, the edge metal, and the vents match the standard, using photographs taken at the right moments during construction plus the product data for every component installed. If the documentation has gaps, the file does not pass.
Homeowners should read that independence as protection rather than red tape. The person signing off is not the person paid to build the roof, so the designation carries weight a contractor’s own letter never would.
The contractor still matters. Building to the standard takes training in the details, coordination with the evaluator on photo timing, and materials that meet the ratings. Domestic Design Roofing is a certified FORTIFIED Roofer™, trained by IBHS, and one of the few roofers in Northeast Florida qualified to build to the FORTIFIED standard.
How Do You Get a FORTIFIED Designation on a Florida Home?
Timing matters more than anything else here. A homeowner who calls after the asphalt shingles are on has missed the window.
- Start before the tear-off. Tell the contractor at the estimate stage that the goal is a FORTIFIED designation, so the roof gets scoped and priced for the standard.
- Line up the independent evaluation. A credentialed FORTIFIED evaluator, separate from the roofing contractor, verifies the work. A certified FORTIFIED Roofer coordinates with the evaluator from the start.
- Build to the standard. The crew seals the deck, refastens it with ring-shank nails, installs rated edge metal and starter strips, and addresses the attic vents.
- Document the work in progress. The roofer takes the jobsite photographs the program requires at each stage and gathers the product records. Domestic Design Roofing handles this documentation on its FORTIFIED jobs.
- Submit the file for approval. The evaluator verifies the evidence and submits it to IBHS for review.
- Receive the designation. Once approved, the home is issued a FORTIFIED certificate the homeowner can provide to an insurance carrier.
An older roof in good condition can sometimes be brought up to the standard without a full replacement, though the economics usually work only when a roof is already being replaced, which is one more reason to think about when to schedule a replacement.
How Long Is a FORTIFIED Designation Valid?
A FORTIFIED designation is valid for five years from the date it is issued. It is tied to the house rather than the owner, so it stays with the property if the home is sold during that window.
Renewal requires a re-evaluation rather than a form. An evaluator inspects the roof again to confirm the FORTIFIED features are still intact and that no repair, solar installation, or vent replacement has compromised them. That is worth remembering before hiring a roofing contractor to penetrate the roof.
FORTIFIED Designation vs. Wind Mitigation Report: How They Differ
Homeowners confuse these two constantly, and the confusion costs people money. They are different documents produced by different people for different purposes.
A FORTIFIED designation is a construction standard. It tells a builder how to build the roof, and an independent evaluator verifies that the roof was built that way. It is issued by the IBHS program and is valid for five years.
A wind mitigation report is an inspection form. It records the wind-resistant features a home already has, including roof covering, roof deck attachment, roof-to-wall connections, roof geometry, secondary water resistance, and opening protection. In Florida it is filed on the state’s uniform mitigation verification inspection form, the OIR-B1-1802, and submitted to the insurance carrier. It reports what is there rather than requiring anything.
The two work together in order. FORTIFIED construction creates the features, and the wind mitigation form reports those features to the carrier in the format underwriters use to apply premium credits. A homeowner who builds a FORTIFIED roof and never has the mitigation form completed has done the work without collecting the documentation.
A carrier is not doing a homeowner a favor by applying premium credits. Those credits are owed once a wind mitigation inspection form documenting the qualifying features is submitted. The guide to wind mitigation inspections in Jacksonville covers what the inspection looks at and how the form is completed.
One more distinction matters in Florida. A roofing license by itself does not qualify anyone to perform a wind mitigation inspection. Only specific licensed professionals with hurricane-mitigation training and active state-recognized credentials may complete the form: licensed home inspectors, building code inspectors, general or residential contractors, professional engineers, and professional architects. Owner Danny Britt holds a home inspection license, so Domestic Design Roofing completes the OIR-B1-1802 in-house and includes a free wind mitigation inspection with every home it re-roofs. The company’s wind mitigation services page explains how that process runs.
Does a FORTIFIED Roof Cost More?
Yes, a FORTIFIED roof costs more than a standard replacement. The standard adds seam tape or a fully adhered underlayment, a heavier nailing schedule, upgraded edge metal, rated vents, and the evaluator’s separate fee.
How much more depends on the roof. Size, pitch, the number of valleys and penetrations, the deck condition, and the roof covering all the same variables behind the cost of a new roof in Florida, which is why an honest answer starts with a look at the house.
Two things are worth weighing against the added cost. The first is the premium credits a properly documented wind-resistant roof can produce through the mitigation form, which recur every year the features stay in place. The second is the state’s My Safe Florida Home program, which helps fund qualifying wind-resistance upgrades for eligible homeowners and is worth checking before signing a contract.
Working With a Certified FORTIFIED Roofer in Northeast Florida
Building to the FORTIFIED standard takes a crew that knows the details before the tear-off starts. Sealing every seam, hitting the right nailing pattern, and pausing to photograph each stage for the evaluator all have to be planned into the job.
Domestic Design Roofing has served Northeast Florida since 2001, more than 25 years, as a GAF Certified Plus Residential Roofing Contractor, an Owens Corning Preferred Contractor, a BBB accredited business, and a member of the Florida Roofing and Sheet Metal Contractors Association. The company is also a certified FORTIFIED Roofer, trained by IBHS. Homeowners in Fernandina Beach and the Greater Jacksonville area can learn more on the company’s FORTIFIED roofing page.
Frequently Asked Questions
What is a fortified certified roof?
How to get certified for fortified roofing?
How much does a fortified roof evaluation cost?
How much does an IBHS fortified roof cost?
What is the 15 year roof rule in Florida?
Will a fortified roof lower insurance?
Get a Straight Answer About Your Roof
A homeowner deciding between a standard replacement and a FORTIFIED build deserves both numbers and a clear explanation of what each one buys. Call Domestic Design Roofing at (904) 321-0626 or get a free estimate online, and the team will walk through the options for your roof.