Florida Wind Mitigation: Lower Your Insurance Premiums with a Storm-Ready Roof

In Southwest Florida, the windstorm portion of a property insurance policy frequently accounts for 50% to 70% of the total annual premium.

Serving Fort Myers, Cape Coral, Sanibel, Naples, Punta Gorda, FL and surrounding areas

Under Florida Statute § 627.711, insurance carriers are legally mandated to offer premium discounts (credits) for residential properties equipped with certified wind-damage mitigation features.

The condition, geometry, and engineering of your roof dictate nearly 70% of the possible credits on Florida’s official wind mitigation inspection form.

At PRG Roofing & Construction Inc., we do not just replace roof coverings; we engineer every installation to maximize the qualifying criteria on your wind mitigation inspection. Upgrading your roof with the correct secondary barriers, fasteners, and code-approved materials can turn an uninsurable home into a fortified property that yields hundreds—or thousands—of dollars in recurring annual insurance savings.

What Is a Florida Wind Mitigation Inspection?

A wind mitigation inspection is a certified assessment that documents structural attributes proven to withstand high-velocity hurricane winds. The findings are recorded on the Florida Office of Insurance Regulation form OIR-B1-1802 (Uniform Mitigation Verification Inspection Form).

Licensed home inspectors, structural engineers, or certified roofing contractors complete this report. The inspector verifies construction methods by inspecting attic crawlspaces, pulling county roof permits, and photographing deck fastening and underlayment layers.

Once submitted to your insurance underwriter, the verified credits are applied directly to the windstorm portion of your policy premium for up to five years.

Florida Wind Mitigation Inspection

Free and Honest

Roof Assessment & Inspection

Don't Get Caught, Be Ready!

We will contact you to set an appointment

How the OIR-B1-1802 Form Evaluates Your Roof

The official inspection evaluates several core structural categories. Over half of these questions revolve directly around roof construction:

Form Category What the Inspector Checks How PRG Maximizes Your Credit
Roof Covering Permitted installation date and verified Florida Product Approval or Miami-Dade NOA. Every system installed by PRG carries active Florida Product Approvals and completed municipal permits.
Roof Deck Attachment The size, type, and spacing of fasteners connecting roof sheathing to trusses. We re-nail the entire deck using 8d ring-shank nails spaced at 6" on center, qualifying for the maximum deck discount.
Secondary Water Resistance (SWR) Presence of a sealed roof deck or self-adhering waterproof barrier beneath the covering. We install code-compliant, self-adhering polymer-modified bitumen membranes (peel-and-stick) across the entire substrate.
Roof-to-Wall Connections The metal connectors tying roof trusses to exterior walls (clips, single wraps, or double wraps). We document existing tie-downs and offer structural clip/wrap retrofits while the roof deck is open and accessible.
Roof Geometry The exterior shape of the home (Hip roof vs. Gable/Flat perimeter ratios). While roof shape is largely architectural, we document hip perimeter ratios accurately to ensure full qualification for insurance discounts.

The Three Critical Upgrades PRG Builds into Every Re-Roof

During a typical re-roofing project, lesser contractors cut costs by skipping intermediate steps that inspectors look for. PRG Roofing & Construction focuses on three non-negotiable construction standards that unlock the maximum allowable wind mitigation credits:

 

1. Roof Deck Re-Nailing (Option C / Highest Rating)

In older Florida homes, roof decking was often attached using smooth-shank 6d nails or industrial staples spaced 12 inches apart. In a hurricane, negative pressure can peel these sheets off like cardboard.

  • The Requirement: Qualifying for Level C (the maximum deck credit) requires minimum 8d ring-shank nails driven at a dense 6-inch by 6-inch spacing pattern along all edges and intermediate framing members. Ring-shank nails feature directional ridges that lock into wood fibers, nearly doubling pull-out resistance.

  • Our Process: Before any underlayment touches the deck, our crews re-nail the entire roof surface to current Florida Building Code specifications, photographing the nail heads and tape-measure spacing as verified evidence for your inspector.

 

2. Secondary Water Resistance (SWR / Sealed Deck)

Standard 15-lb or 30-lb organic roofing felt tears, bakes brittle under Florida sun, and disintegrates if tiles or shingles blow away during a hurricane.

  • The Requirement: To qualify for the SWR credit, the roof deck must be fully sealed. This requires either taping all plywood seams with high-adhesion flashing tape or applying a continuous self-adhering, polymer-modified bitumen membrane (ASTM D1970 compliant) directly to the sheathing.

  • Our Process: PRG applies premium high-temperature, self-adhered underlayment over the entire deck. If outer shingles or tiles are ever ripped away by hurricane-force winds, this self-sealing layer prevents catastrophic water intrusion—and secures an immediate discount of roughly 5% to 10% on your windstorm premium.

 

3. Roof-to-Wall Hardware Assessment & Retrofits

The connection between your trusses and your exterior wall plates is responsible for keeping your roof attached to your home.

  • The Scale: The OIR-B1-1802 rates this connection from worst to best: Toe-nails (minimal to no credit), Clips, Single Wraps, and Double Wraps. A single missing nail on a strap can downgrade your entire home to the “Toe-nail” rating under strict inspection rules.

  • Our Process: When tearing off an existing roof, framing access is often easier than climbing through a cramped, insulated attic. We inspect visible connections and can coordinate strap reinforcements or clip retrofits to upgrade older homes from weak toe-nailed connections to certified hurricane ties before the new roof is sealed.

 

How Much Can You Actually Save?

Wind mitigation credits vary by county wind zones, insurer underwriting guidelines, and home age. However, on typical Southwest Florida single-family homes, the savings are substantial:

  • SWR (Sealed Deck) Credit: Up to an 8% to 12% wind premium reduction.

  • Deck Re-Nailing (8d Ring-Shank at 6″): Up to a 5% to 10% reduction.

  • Permitted FBC-Compliant Roof Covering: Up to a 10% to 15% reduction.

  • Roof-to-Wall Retrofit (Clips/Straps): Up to a 20% to 35%+ reduction.

  • Full Hip Roof Geometry: Up to a 30% to 40% reduction (if applicable to your home’s architecture).

Combined, a fully documented, code-compliant re-roof with SWR and certified deck fastening frequently saves homeowners between $1,000 and $3,500+ every single year on property insurance premiums in coastal counties like Lee and Collier.

 

The Value of Digital Photo Verification

A wind mitigation inspector cannot credit what they cannot verify. Because underlayment covers your deck nails, and shingles or tiles cover your underlayment, undocumented work is lost money.

Inspectors frequently fail to grant SWR or re-nailing credits simply because the previous roofer did not take clear, date-stamped photographs during construction.

PRG Roofing eliminates this problem with our digital proof protocol:

  1. High-resolution photos of clean, prepared sheathing.

  2. Verified close-up photos of nail patterns against measuring tapes to prove 6″ spacing.

  3. Clear documentation of the manufacturer’s ASTM D1970 labeling on the underlayment roll and installed surface.

  4. Permit records and manufacturer Florida Product Approval numbers organized in an accessible digital packet for your inspector.

 

Lower Your Florida Homeowners Insurance with PRG Roofing

A new roof is a significant capital investment. Make sure it pays you back month after month in lower carrying costs. PRG Roofing & Construction Inc. installs high-performance tile, metal, and shingle systems engineered to protect your family and unlock the maximum possible insurance credits available under Florida law.

Call (239) 237-2906 today or request an online estimate to discuss your project, evaluate your wind mitigation potential, and schedule your on-site inspection.

Disclaimer: PRG Roofing & Construction Inc. is a licensed roofing contractor, not a law firm or a public adjusting firm. The information on this page is for educational purposes based on recent Florida insurance regulations and should not be construed as legal advice. Always consult your specific policy or a legal professional for claim-specific guidance.

Leave us a Review on BBB

Notary Services

© Copyright 2026 PRG Roofing & Construction, Inc. All Rights Reserved. Website by Visitivity Inc.