Watch
Miami-Dade NOA vs Florida Product Approval (HVHZ Guide)
What a Miami-Dade NOA Is
A Notice of Acceptance (NOA) is a product approval issued by the Miami-Dade County Product Control Section. It certifies that a specific building-envelope product — a window, door, shutter, roofing assembly, or skylight — has passed Miami-Dade’s testing requirements and may be installed in the High-Velocity Hurricane Zone. Each NOA carries a document number, an expiration date, and the exact configurations it covers.
The NOA is the original product-approval mechanism in Florida. Long before the statewide system existed, Miami-Dade built its own testing protocols in response to Hurricane Andrew in 1992, and those protocols became the template the rest of the state later adopted. An NOA is product-specific and configuration-specific: the same manufacturer can hold separate NOAs for different sizes, glass make-ups, and anchoring methods.
What an NOA actually documents
An NOA is not a generic seal of quality. It is a controlled document tying one tested assembly to one set of design pressures and impact ratings, so a plan reviewer can confirm the product on the drawings is the product that was tested.
- Document number and revision — the unique NOA reference (and its current revision) the permit set must cite.
- Design pressure rating — the positive and negative wind pressures, in pounds per square foot, the assembly is approved for.
- Impact classification — whether the product is large-missile rated and therefore usable as opening protection.
- Installation detail — the anchor type, spacing, and substrate the approval is conditioned on.
- Expiration date — the date after which the NOA is no longer valid for new permits.
Because every line is enforceable, an NOA that has lapsed or that does not match the installed configuration is treated as no approval at all — a common reason envelope work fails inspection in the zone.
What Florida Product Approval Is
A Florida Product Approval is the statewide product-approval system, administered by the Florida Building Commission under Florida Administrative Code Rule 61G20-3 and authorized by Florida Statutes § 553.842. It lets a manufacturer certify a product once and use it across all 67 counties, instead of seeking a separate local approval in each jurisdiction. Approved products receive an FL number (an "FL#").
The statewide rule recognizes more than one route to compliance. A product can be approved through certification by an approved certification agency, a test report from an approved laboratory, or an evaluation report from an approved product-evaluation entity, among the methods listed in Rule 61G20-3. The shared idea is that an independent, approved third party verifies the product against the Florida Building Code before the FL number issues.
What the FL number lets you do
An FL number is the statewide passport for an envelope product. It travels with the product into any Florida county — but, crucially, only at the approval level the product was actually tested to.
- Statewide use
- A current FL number is accepted in every Florida jurisdiction that has not adopted a stricter local approval, which is the entire state outside the HVHZ.
- Limitation of method
- An FL number based only on non-HVHZ standards does not, by itself, satisfy the HVHZ. The approval must specifically state HVHZ compliance.
- Verification
- Each FL number is searchable in the state database with its test reports, evaluation report, and installation instructions attached.
That distinction — statewide versus HVHZ-endorsed — is the entire crux of the comparison, and it is where most confusion on a Florida job site begins.
NOA vs Statewide Approval, Side by Side
The difference between a Miami-Dade NOA and a Florida Product Approval is jurisdictional, not a difference in how hard the product was tested. An NOA is local to the HVHZ and honored statewide; a statewide approval covers the whole state but only enters the HVHZ if it carries the HVHZ endorsement.
The two-way relationship
An NOA is automatically usable statewide because Miami-Dade’s protocols are the most demanding in Florida. The reverse is not true: a statewide approval earns HVHZ acceptance only when its documentation shows it was tested to the HVHZ protocols. The table below maps where each approval is valid.
| Approval | Issued by | Valid statewide? | Valid in the HVHZ? |
|---|---|---|---|
| Miami-Dade NOA | Miami-Dade County | Yes | Yes |
| Florida Product Approval with HVHZ endorsement | Florida Building Commission | Yes | Yes |
| Florida Product Approval without HVHZ endorsement | Florida Building Commission | Yes | No |
Read this way, the practical rule is simple: in Miami-Dade or Broward, accept an NOA or an HVHZ-endorsed FL number, and reject anything else for envelope products.
What the HVHZ Is
The High-Velocity Hurricane Zone (HVHZ) is a special region of the Florida Building Code that applies to exactly two counties — Miami-Dade and Broward. Inside it, structures and their envelope products must meet stricter design and testing requirements than anywhere else in the state, because this is where the strongest design wind speeds in Florida are concentrated.
The HVHZ provisions sit in the Building volume of the Florida Building Code, in the structural-design chapter (Chapter 16) and its dedicated HVHZ sections. Within the zone, opening protection is mandatory: every window, door, and skylight must either be impact-rated or protected by an approved shutter system, and each component must trace back to an NOA or an HVHZ-endorsed approval.
TAS 201, 202, and 203 — The Tests Behind the Label
HVHZ approval rests on three Testing Application Standards: TAS 201, TAS 202, and TAS 203. Together they confirm that a product survives windborne-debris impact and then holds up through thousands of pressure reversals — the two ways a hurricane destroys an envelope. An NOA and an HVHZ-endorsed statewide approval both require passing all three.
- Test1
TAS 201 — Large-Missile Impact
A timber missile is fired into the assembly to simulate flying debris. The large missile is a 9-pound 2x4 driven at 50 ft/s for typical residential occupancies — the same severity as ASTM E1996 Missile Level D. The specimen must not be penetrated.
- Test2
TAS 202 — Uniform Static Pressure
The assembly is loaded with steady positive and negative air pressure to verify structural performance, air infiltration, and water resistance at its rated design pressures before the cyclic test begins.
- Test3
TAS 203 — Cyclic Wind Pressure
After impact, the assembly endures thousands of inward and outward pressure cycles that mimic sustained hurricane gusts. Passing means the impacted unit still resists wind-driven rain and structural load.
How TAS relates to the ASTM standards
Outside the HVHZ, impact products are typically qualified to ASTM E1996 (which missile and pressure level) and ASTM E1886 (the impact-and-cyclic test method). The HVHZ TAS protocols are Miami-Dade’s parallel, generally more demanding set. A product tested only to the baseline national standards is not automatically HVHZ-compliant unless its approval documents the TAS protocols.
Why the missile severity matters
The 9-pound 2x4 at 50 ft/s is not arbitrary — it represents the lumber a hurricane peels off a neighbor’s roof or fence. Surviving that impact is what separates true opening protection from a window that merely meets a wind-pressure number. For the full local picture, our HVHZ remodeling guide for Miami-Dade and Broward walks through how the zone shapes an entire project, not just its glazing.
Outside Miami-Dade and Broward
Outside the HVHZ, you do not need a Miami-Dade NOA. A current Florida Product Approval (an FL number) is sufficient in the other 65 counties, provided the product’s rated design pressures satisfy the local wind requirements. An NOA is still accepted there — it simply is not required.
Palm Beach and the county line
The clearest example is the Broward–Palm Beach boundary. A home in Broward sits inside the HVHZ and needs an NOA or HVHZ-endorsed approval; a home a short distance north in Palm Beach County is outside the HVHZ and can be permitted with a statewide FL number meeting the local design pressures. We break this down for one such city in our Boca Raton product-approval comparison.
Which approval do you need?
- If the project is in Miami-Dade or Broward — require a Miami-Dade NOA or an HVHZ-endorsed Florida Product Approval. Nothing less passes.
- If the project is elsewhere in Florida and in the wind-borne debris region — a statewide FL number with adequate design pressure and impact rating (or approved shutters) is accepted.
- If the project is inland and outside the debris region — a statewide FL number meeting the local design pressure is accepted; impact protection may not be mandated.
The throughline is jurisdiction first, then design pressure: confirm whether the address is in the HVHZ, then confirm the product’s ratings meet that location’s wind load.
Where Impact Glazing Is Actually Required
Impact glazing is not required across all of Florida. It is mandatory inside the HVHZ and, more broadly, anywhere in the wind-borne debris region — the coastal and high-wind areas the code singles out — unless the openings are protected by an approved shutter system instead.
The wind-borne debris region
The wind-borne debris region is larger than the HVHZ. It captures high design-wind-speed areas and locations near the coast, well beyond Miami-Dade and Broward. In those areas, new construction and most substantial renovations need impact-rated openings or code-approved shutters; the product still has to carry a valid FL number or NOA for the protection level claimed.
- Inside the HVHZ — opening protection is required, and the product needs an NOA or HVHZ-endorsed approval.
- In the broader debris region — impact glazing or approved shutters are required; a statewide FL number is acceptable.
- Inland, low-wind, outside the debris region — impact protection may not be mandated for a replacement, though new-construction rules vary by jurisdiction.
Because the boundaries turn on mapped wind speeds and distance to the coast, the local building department — or the contractor pulling the permit — has the final word on which rule applies to a given address.
Verifying Approval and Getting the Permit
Verification is straightforward when you know where to look. Every NOA is searchable in the Miami-Dade Product Control database, and every FL number is searchable in the statewide Florida Product Approval database, each with the test reports and installation instructions attached. The permit set must reference the exact document number for the product on the drawings.
The contractor’s job at submittal
On an HVHZ project, matching paperwork to product is half the battle at plan review. A licensed contractor confirms three things before submitting, then includes the approval documents in the package.
- Jurisdiction. Confirm whether the address is inside the HVHZ, in the broader debris region, or neither.
- Current approval. Verify the NOA or FL number is unexpired and covers the exact size, glass, and anchoring specified.
- Design pressure. Confirm the product’s rated pressures meet the calculated wind load for that location.
Our team handles this end to end: we specify code-approved products, then our permit-handling service assembles and submits the NOA or FL# documentation. Whether the work is a window swap, a home addition that opens the envelope, or a full remodel under our general contracting, the approval path is settled before a single opening is cut.
Frequently Asked Questions
What is a Miami-Dade NOA?
What is the difference between an NOA and a Florida Product Approval?
Do I need an NOA outside Miami-Dade and Broward?
What is the HVHZ in the Florida Building Code?
What is TAS 201, 202, and 203 impact testing?
Are impact windows required everywhere in Florida?
References & Sources
- Florida Building Code — High-Velocity Hurricane Zone provisions (Building, Chapter 16). https://floridabuilding.org/
- Florida Administrative Code Rule 61G20-3 — Product Approval (Florida Building Commission). https://www.flrules.org/gateway/ChapterHome.asp?Chapter=61G20-3
- Miami-Dade County — Product Control / Notice of Acceptance search. https://www.miamidade.gov/global/economy/building/product-approval-notices.page
- ASTM E1996 — Performance of Exterior Windows, Doors, and Impact Protective Systems Impacted by Windborne Debris. https://www.astm.org/e1996-23.html
- ASTM E1886 — Performance of Exterior Windows, Doors, and Impact Protective Systems Impacted by Missiles and Exposed to Cyclic Pressure. https://www.astm.org/e1886-19.html


