How to Choose a Metal Roofing Contractor

Choosing a metal roof is a materials decision. Choosing a contractor is an installation decision. And installation is where most metal roofing failures happen — not at the factory where the panel was rolled, but on the roof where it was fastened, clipped, flashed, and sealed. A premium standing-seamStanding-seam metal roofA metal roof system with vertical panels joined by raised seams (typically 1-1.5 inches tall) that lock together above the roof deck. Fasteners are hidden beneath the seam, not exposed to weather.Standing-seam panels come in snap-lock, mechanical-lock, and concealed-clip variants. Each attaches differently and has different wind-resistance ratings. Typical residential panel widths are 12, 16, or 18 inches.Why it matters: Concealed fasteners eliminate the #1 failure point on metal roofs: exposed screws that back out or lose their seal. Standing seam is the highest-performing metal roof system for wind resistance, water tightness, and longevity.Learn more → panel installed by an inexperienced crew will underperform a mid-tier panel installed by a crew that understands clip spacingRoof clip (standing-seam clip)A metal bracket that secures standing-seam panels to the roof deck without penetrating the panel face. Types include fixed clips (anchored rigidly) and floating clips (allow panel movement for thermal expansion).Most residential standing-seam systems use floating clips with one fixed clip per panel run to anchor movement. The clip must match the panel profile; clips are not interchangeable between manufacturers.Why it matters: Clip type and spacing are the primary determinants of standing-seam wind-uplift performance. Reducing clip spacing from 24 inches to 12 inches on center can nearly double uplift resistance. Stainless-steel clips are recommended for coastal installations.Learn more →, thermal expansion, and proper flashing technique.

This guide walks you through the process of evaluating metal roofing contractors, asking the right questions, and comparing quotes on substance rather than price alone. If you are in the Gulf Coast region — South Mississippi, South Alabama, or the Florida Panhandle — this page also addresses the specific coastal and code-compliance factors you need to verify before signing a contract.

Red Flags: Signs of an Unqualified Installer

Before you evaluate what makes a good metal roofing contractor, learn what makes a bad one. These red flags should end the conversation immediately:

• No metal-specific experience. A roofer who has installed thousands of shingle roofs but only a few metal roofs is not a metal roofing contractor. Metal requires different tools (seamers, notchers, snips, specialized brakes), different techniques (floating clip attachment, thermal expansion planning, panel sequencing), and different engineering knowledge. Shingle experience does not transfer.
• Can't explain clip spacing. Ask a prospective contractor what clip spacingConcealed clipA metal bracket that fastens to the roof deck and holds a standing-seam panel in place without penetrating the panel surface. The clip is hidden beneath the seam after panels are joined.Clip type (fixed vs. floating), material (stainless steel vs. galvanized), and spacing (12-24 inches on center) directly affect wind-uplift performance. Closer clip spacing = higher uplift rating.Why it matters: Clips allow panels to expand and contract with temperature changes (a 20-foot steel panel can move 1/4 inch across a 100°F swing). Without clips, thermal cycling causes oil canning, buckling, and fastener stress.Learn more → they plan to use and why. If they cannot answer this question with a specific number (e.g., "12 inches on center at eaves and rakes, 18 inches in the field") tied to the wind zone and manufacturer requirements, they do not understand standing-seam installation. Walk away.
• Doesn't discuss underlayment. A contractor who talks only about the panels and never mentions underlaymentUnderlaymentA secondary water-resistant layer installed on the roof deck beneath metal panels. Types include synthetic (polypropylene), felt (asphalt-saturated), and self-adhering (peel-and-stick) membranes.Synthetic underlayment (like GAF FeltBuster or Sharkskin) is the modern standard. It does not absorb water, resists tearing, and provides a slip-resistant surface during installation. For standing seam, a high-temperature synthetic is recommended to handle heat buildup.Why it matters: Underlayment is your backup waterproofing if wind-driven rain gets past the metal panels. Florida Building Code requires underlayment on all steep-slope metal roofs. In the Enhanced Hurricane Protection Area, self-adhering underlayment is required.Learn more → is skipping a critical component of the roof assembly. The underlayment is your secondary waterproofing layer. In Florida, it is code-required. In hurricane zones, self-adhering membrane may be required at eaves and penetrations. If a contractor does not bring this up, they either do not know or do not care.
• Won't provide references for metal projects. Every qualified metal roofing contractor has a portfolio of completed metal installations. Not shingle projects — metal projects. If they cannot show you photos and provide contact information for past metal roofing clients, they are either too new to metal or have unhappy customers.
• Offers a "lifetime warranty" with no specifics. Vague warranty promises are a red flag. A legitimate warranty has defined terms: what is covered, what is excluded, duration, transferability, and the specific conditions that void coverage. Manufacturer panel warranties and contractor workmanship warranties are separate documents. If your contractor rolls everything into one fuzzy "lifetime" promise, get the details in writing or move on.
• Pressures you to sign immediately. A reputable contractor is confident enough in their work to give you time to compare quotes and check references. High-pressure sales tactics — "this price is only good today," "we have one slot left this month" — signal a company that relies on urgency rather than quality to close deals.
• No physical business presence. Verify that the contractor has a permanent business address (not a P.O. box), valid state licensing, and active insurance. Storm-chaser crews that follow hurricanes and disappear after the work is done are a persistent problem along the Gulf Coast.

10 Questions to Ask Every Metal Roofing Contractor

These questions separate contractors who understand metal roofing from those who are learning on your roof. For each question, we include what a good answer sounds like.

1. How many metal roofs have you installed in the past two years?

Good answer: A specific number, ideally 20+, with photos or a portfolio available for review. Bonus if they distinguish between standing seam and exposed-fastenerExposed-fastener metal roofA metal roof system where panels are secured by screws driven through the panel face into the roof deck or purlins. The screw heads and neoprene washers remain visible on the surface.R-panel, PBR panel, corrugated, and 5V-crimp are all exposed-fastener systems. Common on agricultural buildings, shops, and budget residential roofs. A good choice when cost is the priority and the homeowner understands the maintenance commitment.Why it matters: Lower cost than standing seam (typically 30-50% less installed), but the exposed screws are a long-term maintenance liability. Neoprene washers degrade in UV light and can allow leaks within 15-20 years if not replaced.Learn more → projects, because the skills are different.

Red flag: "We've done a few" or a pivot to their shingle experience.

2. What panel profile and manufacturer do you recommend for my project, and why?

Good answer: A specific product recommendation tied to your roof geometry, wind zone, coastal proximity, and budget. They should be able to explain why they chose this panel over alternatives — not just that it is what they normally install.

Red flag: A contractor who only installs one brand or profile regardless of the project. That often means they get a volume discount from one supplier, not that it is the best fit for your house.

3. What gauge and coating system will you use?

Good answer: A specific gauge (24-gauge24-gauge steelSteel substrate measuring 0.0239 inches (0.607 mm) thick. The heaviest gauge commonly used in residential metal roofing.Lower gauge number = thicker metal. 24-gauge is roughly 25% thicker than 26-gauge. Required by some standing-seam manufacturers for warranty coverage in hurricane zones.Why it matters: Thicker steel resists denting from hail and foot traffic, reduces oil canning, and holds fasteners more securely. It costs 15-20% more than 26-gauge but lasts longer in high-wind and coastal environments.Learn more → or 26-gauge26-gauge steelSteel substrate measuring 0.0179 inches (0.455 mm) thick. The most common gauge for residential metal roofing across all panel types.26-gauge is the default spec from most residential metal roofing manufacturers. Thinner than 24-gauge but significantly sturdier than 29-gauge.Why it matters: Balances cost and performance for most residential applications. Adequate for standing seam and exposed-fastener panels in moderate wind zones, though 24-gauge is preferred where wind or hail risk is high.Learn more →) and coating system (PVDF/KynarPVDF (polyvinylidene fluoride)A resin-based paint system containing 70% PVDF resin (by weight of total resin solids). The highest-performance paint coating available for metal roofing. Kynar 500 and Hylar 5000 are the two licensed PVDF formulations.A true PVDF coating must contain at least 70% PVDF resin. Some manufacturers use 50% blends and market them misleadingly. Always confirm the 70% specification.Why it matters: PVDF coatings resist chalking, fading, and chemical degradation far longer than SMP or acrylic. Expect 30-40 years of color retention in full Gulf Coast sun. This is what separates a premium metal roof from a budget one.Learn more → or SMPSMP (silicone-modified polyester)A mid-tier paint system for metal roofing that adds silicone to a polyester base for improved UV and chalk resistance compared to standard polyester. Less durable than PVDF.SMP is the standard coating on most exposed-fastener panels (R-panel, PBR, 5V-crimp). If a contractor quotes a standing-seam roof with SMP paint, ask why they are not using PVDF.Why it matters: SMP costs 15-25% less than PVDF and performs well for 15-20 years. Acceptable for budget-conscious projects, but expect earlier fading and chalking in intense Gulf Coast sun.Learn more →) with reasoning. On the Gulf Coast, 24-gauge with PVDF is the recommended spec for standing seam. If they propose 26-gauge or SMP, they should explain the trade-offs honestly.

Red flag: They do not know the gauge or coating system off the top of their head, or they specify 29-gauge29-gauge steelSteel substrate measuring 0.0141 inches (0.358 mm) thick. The thinnest gauge used in residential metal roofing, typically for exposed-fastener panels.Common on agricultural buildings and budget residential projects. Many standing-seam manufacturers do not offer 29-gauge panels. If a quote seems unusually cheap, check whether 29-gauge is spec'd.Why it matters: The lowest-cost option but the most vulnerable to denting, oil canning, and fastener pull-through in high winds. Not recommended for coastal or hurricane-prone areas along the Gulf Coast.Learn more → for a residential standing-seam project.

4. What clip spacing will you use, and what is it rated for?

Good answer: A specific spacing (e.g., 12 inches on center) tied to the design wind speedDesign wind speedThe ultimate (3-second gust) wind speed used to calculate design wind pressures for a building at a specific location, per ASCE 7. Expressed in miles per hour (mph) for Risk Category II residential buildings.Design wind speed is not the same as sustained wind in a hurricane. The design speed is a statistical value (3-second gust with a 700-year return period for residential). Actual hurricane gusts can exceed this, which is why FORTIFIED and other above-code programs exist.Why it matters: This number drives every wind-related roofing specification: clip spacing, fastener count, panel gauge, and seam type. A home in a 150-mph design wind speed zone needs a substantially more robust roof system than one in a 115-mph zone.Learn more → for your location, referencing the manufacturer's tested assemblies. They should know the uplift ratingUplift resistanceThe ability of a roof system to resist negative (suction) wind pressures that try to pull the roof off the building. Measured in pounds per square foot (psf) of pressure.Design uplift pressures are calculated from the local design wind speed, building height, roof slope, exposure category, and location on the roof (edge, corner, or field). An engineer uses ASCE 7 to determine required uplift resistance for each zone.Why it matters: Roofs fail in hurricanes primarily from uplift, not from being pushed down. Corners and edges experience 2-3x higher uplift than the field of the roof. A standing-seam system with proper clip spacing can resist 60-90+ psf of uplift.Learn more → of the clip spacing they are proposing.

Red flag: "We just follow the manufacturer's standard" without knowing what the standard is for your specific wind zone.

5. What underlayment will you install?

Good answer: A specific product (synthetic or self-adhering, by name) with a rationale for why it suits the application. They should know whether your location requires self-adhering membrane at eaves, valleys, and penetrations per local code.

Red flag: "Just regular felt paper" or no answer at all.

6. How do you handle flashing at valleys, walls, penetrations, and transitions?

Good answer: A detailed explanation of their flashing methods — custom-fabricated or pre-formed trim, sealant type and placement, and how they manage water flow at complex intersections. Metal roofing flashing is more demanding than shingle flashing, and a good contractor knows this.

Red flag: Vague answers or heavy reliance on caulk to solve flashing problems. Sealant is a supplement to mechanical flashing, not a substitute.

7. What fasteners will you use?

Good answer: Specific fastenerFastener (roof screw)A self-drilling or self-tapping screw used to attach metal roof panels or clips to the roof deck or structural framing. Exposed-fastener panels use screws through the panel face; standing-seam systems use screws only at the clip.Fastener spacing is engineered: closer spacing in edge and corner zones, wider spacing in the field. Screws must hit solid wood or steel framing. A missed fastener that only catches plywood has almost no pull-out resistance in high wind.Why it matters: Fastener material matters: #12 or #14 screws with ZAC (zinc-aluminum) coating are standard; stainless steel (Type 304 or 316) is recommended within 2,500 feet of saltwater. Corroded or improperly driven fasteners are the leading cause of metal roof leaks.Learn more → type, size, and material. For coastal projects, the answer should include stainless steel (Type 304 or 316) or ZAC-coated screws rated for the environment. They should understand galvanic corrosionGalvanic corrosionAccelerated corrosion that occurs when two dissimilar metals are in direct electrical contact in the presence of an electrolyte (moisture). The more reactive (anodic) metal corrodes preferentially.The galvanic series ranks metals from anodic (corrodes first) to cathodic (protected). Zinc and aluminum are anodic to steel. Copper is cathodic to most metals. Always use fasteners of the same metal as the panel, or use stainless steel, which is compatible with both.Why it matters: A common installation mistake: using plain steel fasteners on aluminum panels, or copper flashing touching a steel roof. The dissimilar metals create a battery effect, and one metal rapidly corrodes. In Gulf Coast humidity, this happens fast.Learn more → and match fastener material to panel material.

Red flag: "Just regular roofing screws" with no consideration of corrosion compatibility.

8. Do you carry manufacturer certification for this panel system?

Good answer: Yes, with the specific certification name and documentation available. Manufacturer certifications mean the contractor has been trained on that specific product's installation requirements and may offer extended warranty coverage as a result.

Red flag: "We don't need that — we've installed plenty of these." Certification is not a formality; it is verification of competency and often a warranty requirement.

9. What is your workmanship warranty, and what does it cover?

Good answer: A clearly defined workmanship warranty (typically 5-10 years, sometimes longer) separate from the manufacturer's panel and finish warranties. The contractor should provide the warranty in writing before you sign a contract, with specific terms about what is and is not covered.

Red flag: Verbal promises without documentation, or a warranty that conveniently excludes all leak-related claims.

10. Can you provide three references from metal roofing projects completed in the past year?

Good answer: Yes, immediately, with names and phone numbers. The best contractors also offer to show you an in-progress or recently completed project in person.

Red flag: Hesitation, excuses, or references only from shingle projects.

How to Compare Quotes: Apples to Apples

The most common mistake homeowners make when comparing metal roofing quotes is looking only at the bottom-line price. A $15,000 quote and a $22,000 quote are not comparable if they specify different materials, assemblies, and warranty terms. Here is how to normalize quotes for a true comparison.

What every quote should specify

Before you compare prices, confirm that every quote includes the following details. If any of these are missing, go back and ask:

• Panel profile and manufacturer — the exact product, not just "standing seam"
• Substrate gauge — 24-gauge or 26-gauge (if a quote says 29-gauge for standing seam, that is a problem)
• Coating system — PVDF (Kynar/Hylar) or SMP, with the specific color if relevant
• Clip type and spacing — fixed or floating, stainless or galvanized, and spacing in inches on center
• Underlayment product — synthetic, self-adhering, or felt, by brand name
• Flashing and trim details — drip edgeDrip edgeAn L-shaped or T-shaped metal flashing installed at the eaves and rakes (gable edges) of a roof. Directs water away from the fascia board and into the gutter.Drip edge should match the panel metal (steel or aluminum) to avoid galvanic corrosion. It is installed under the underlayment at the eave and over the underlayment at the rake, per shingle-style sequencing adapted for metal.Why it matters: Without drip edge, water wicks back under the roofing and rots the fascia and deck edge. Florida Building Code requires drip edge on all roof types. It also provides a clean termination point for underlayment.Learn more →, valley flashingValley flashingA formed metal channel installed in the valley (internal angle) where two roof planes meet. Typically made from the same material as the roof panels or from a heavier-gauge material, with a minimum width of 24 inches.On standing-seam roofs, valley flashing is typically a W-shaped or flat pan with hemmed edges. Panels are cut to angle and terminate above the valley center, leaving a gap for water flow. Sealant and clips secure the panel ends.Why it matters: Valleys concentrate water from two roof planes into a single channel, creating the highest water volume on the roof. Improperly flashed valleys are one of the top leak locations. The flashing must extend far enough under the panels on both sides.Learn more →, ridge capRidge capA formed metal trim piece installed over the roof ridge (peak) where two opposing roof planes meet. Covers the gap between panel terminations and provides a finished, weather-tight seal at the highest point of the roof.Ridge caps should be mechanically fastened (not just snapped on) in high-wind zones. Inside and outside foam closures match the panel profile to block rain and pests. Vented ridge caps use baffled openings to provide continuous ridge ventilation.Why it matters: The ridge is exposed to the highest wind speeds on the roof and is a critical point for both waterproofing and ventilation. A properly installed ridge cap with closure strips prevents wind-driven rain while allowing attic ventilation if vented closures are used.Learn more →, wall flashing, pipe boots
• Fastener type and material — especially corrosion-rated fasteners for coastal projects
• Tear-off scope — removal and disposal of existing roofing, number of layers
• Deck inspection and repair — what happens if damaged decking is found
• Warranty terms — manufacturer panel warranty, manufacturer finish warranty, and contractor workmanship warranty, each with duration and terms
• Timeline — estimated start date and project duration

The line-item comparison

Build a spreadsheet. List each specification item in the left column and each contractor's quote across the top. Fill in the details for every row. The differences will become immediately obvious. You will often find that the cheapest quote omits items, specifies thinner gauge, uses SMP instead of PVDF, or widens clip spacing — each of which saves the contractor money and costs you performance.

Normalize the specs, then compare price. If two contractors quote the same gauge, coating, clip spacing, underlayment, and flashing package, you have a valid price comparison. If the specs are different, you are comparing different roofs and the prices are meaningless side by side.

Where the money goes in a metal roof: The panel itself accounts for roughly 30-40% of the total installed cost. The remaining 60-70% is labor, clips, fasteners, underlayment, flashing, and trim. When a contractor cuts their price, they are almost always cutting from that 60-70% — which means fewer clips, cheaper underlayment, less detailed flashing, or faster (less careful) installation. These are the exact items that determine whether your roof lasts 50 years or starts leaking in 5.

Contractor Evaluation Criteria

Beyond the questions and quote comparison, evaluate each contractor against these criteria:

• Metal-specific experience (years and volume). How long have they been installing metal roofs specifically? How many per year? A contractor with 10 years of general roofing experience and 1 year of metal experience is a beginner at metal.
• Manufacturer certifications. Certified installers have been trained on specific product systems. Certification often unlocks extended warranty terms — some manufacturers offer 20+ year workmanship warranties only through certified installers.
• Insurance and licensing. Verify independently: state contractor license (active, not expired), general liability insurance ($1M minimum), and workers' compensation insurance. Ask for certificates of insurance, not just verbal confirmation. Call the insurance carrier to confirm the policy is current.
• Portfolio of similar projects. The contractor should have completed projects similar to yours — same panel type, similar roof geometry, and in the same climate zone. A contractor experienced with standing seam on simple gable roofs may not be prepared for a complex hip-and-valley coastal home.
• Warranty terms (both sides). Understand the manufacturer's panel warranty (typically 30-50 years), the manufacturer's finish warranty (typically 30-35 years for PVDF), and the contractor's workmanship warranty (typically 5-10 years). These are three separate warranties. Get all three in writing before signing.

Gulf Coast-Specific Considerations

Installing a metal roof anywhere requires competency. Installing one on the Gulf Coast — where salt air, hurricane-force winds, and extreme heat converge — requires specialized knowledge. Here are the additional factors to verify for contractors working in South Mississippi, South Alabama, and the Florida Panhandle.

Coastal installation experience

Has the contractor installed metal roofs within the coastal corrosion zoneCorrosion zoneA geographic classification based on proximity to saltwater and other corrosive environments. The most aggressive zone extends from the shoreline to approximately 1,500 feet inland, where airborne salt concentration is highest.ASHRAE and metal roofing manufacturers define corrosion zones at 1,500 feet, 2,500 feet, and beyond. Some manufacturers void their warranty within the most aggressive zone if their installation guidelines for coastal environments are not followed.Why it matters: Corrosion zone determines which metals and coatings will survive. Within 1,500 feet of the Gulf, aluminum or stainless-steel fasteners are essential, and Galvalume steel must have a high-quality PVDF paint system. Using the wrong materials leads to premature failure.Learn more →? Coastal projects require different material specifications: aluminumAluminumA lightweight, naturally corrosion-resistant metal used for roofing panels, typically in 0.032-inch or 0.040-inch thickness. Does not rust.Costs 1.5-2x more than steel panels. Softer than steel, so more prone to denting from hail. Common for standing-seam roofs on beachfront homes along the Gulf Coast.Why it matters: The best substrate choice within 1,500 feet of saltwater. Aluminum forms a stable oxide layer that resists salt-spray corrosion far better than any steel coating. Weighs about one-third as much as steel.Learn more → or high-quality Galvalume substrate, stainless-steel fasteners, and PVDF coatings. A contractor experienced only with inland installations may not understand the accelerated corrosion risks within 1,500 feet of saltwater, where standard galvanized components can fail within a few years.

Hurricane-zone engineering knowledge

Can the contractor calculate or verify required uplift resistance for your specific location? Gulf Coast homes fall within wind zonesWind zoneA geographic classification based on design wind speeds, used by building codes and insurers to determine roofing requirements. The Gulf Coast spans wind zones from 115 mph inland to 180 mph in coastal South Florida.ASCE 7-22 maps define ultimate design wind speeds (3-second gust) for every location. Coastal Mississippi, Alabama, and the Florida Panhandle are typically 140-160 mph zones. Check your exact address at the ASCE Hazard Tool.Why it matters: Your wind zone determines the minimum uplift rating, fastener schedule, and product approvals required for your roof. Higher wind zones require closer clip spacing, thicker gauge, and mechanical-lock seams.Learn more → ranging from 130-160+ mph design wind speed. The contractor should understand how to read a wind-speed map, determine the appropriate clip spacing for your wind zone, and reference the panel manufacturer's tested assemblies to ensure the installed system meets or exceeds the required uplift resistance. If your contractor cannot explain this process, they are guessing — and guessing is how roofs fail in storms.

Familiarity with local building codes

Florida Panhandle projects must comply with the Florida Building Code (FBC)Florida Building Code (FBC)The statewide building code for Florida, one of the most stringent in the U.S. for wind and hurricane resistance. Requires product approvals (FL numbers or Miami-Dade NOAs), specific underlayment, and testing per TAS protocols.The FBC has two tiers: the base code (statewide) and the High Velocity Hurricane Zone (HVHZ) code for Miami-Dade and Broward counties. HVHZ requires Miami-Dade NOA approvals and full self-adhering underlayment. Both are more demanding than the International Building Code.Why it matters: Any metal roof installed in Florida must comply with FBC. This means the exact panel, clip, and fastener combination must have a valid Florida product approval. Unapproved products cannot legally be installed, and insurance will not cover them.Learn more →. This means the specific panel, clip, and fastener combination must have a valid Florida product approval (FL number or Miami-Dade NOA). The contractor should be able to provide this approval number before installation begins. They should also know whether the project location requires self-adhering underlayment, specific fastener schedules, or TAS 125TAS 125Test Application Standard 125, a Florida-specific test protocol for wind-uplift resistance of non-structural roof coverings. Required for product approval under the Florida Building Code.TAS 125 is administered by the Florida Building Commission. Approved products are listed in the Florida Product Approval database (FL numbers). Always verify that the specific panel, clip, and fastener combination has a valid FL approval number.Why it matters: Any metal roof installed in Florida must have a product approval based on TAS 125 testing (or equivalent). Without it, the product cannot legally be installed. This ensures roofing systems meet Florida's stringent hurricane standards.Learn more →-tested assemblies.

Mississippi and Alabama projects follow the International Building CodeIBC (International Building Code)The model building code adopted (with local amendments) by most U.S. states and municipalities. Chapter 15 covers roof assemblies and rooftop structures, including metal roof panel requirements.Alabama, Mississippi, Louisiana, and Texas adopt the IBC with state-specific amendments. Local jurisdictions may add requirements (e.g., Mobile County, AL follows stricter coastal provisions). Always check with your local building department for adopted code edition and amendments.Why it matters: The IBC references ASCE 7 for wind-load calculations and requires metal roof systems to be tested and approved for the design wind speed at the project location. Even in states without Florida's strict product-approval system, IBC compliance is required.Learn more → with state amendments. Coastal counties in both states have additional wind-load requirements. Verify that the contractor knows the specific code edition and local amendments adopted by your jurisdiction. Mobile County, AL, and Harrison County, MS, have coastal provisions that differ from inland requirements.

FORTIFIED Roof experience

If you want to qualify for FORTIFIED RoofFORTIFIED RoofA voluntary above-code construction standard developed by the Insurance Institute for Business & Home Safety (IBHS). FORTIFIED Roof designation requires sealed roof deck, upgraded fastening, and specific flashing details beyond minimum code.FORTIFIED has three levels: Roof, Silver, and Gold. The Roof designation (most common) focuses on the roof covering, sealed deck, and edge metal. A trained FORTIFIED Evaluator must inspect the installation. The designation is valid for 5 years.Why it matters: A FORTIFIED Roof designation can qualify homeowners for insurance premium discounts of 15-55% in Alabama, Mississippi, Louisiana, and other Gulf Coast states. Metal roofs are well-suited to meet FORTIFIED requirements when properly installed.Learn more → insurance discounts (available in Alabama, Mississippi, and other Gulf states), the contractor must install the roof to FORTIFIED standards and coordinate with a FORTIFIED Evaluator for inspection. Not every contractor is familiar with FORTIFIED requirements. Ask specifically whether they have completed FORTIFIED-designated projects and whether they coordinate evaluator inspections as part of their process.

Frequently Asked Questions

What's the most important thing to look for in a metal roofing contractor?

Metal-specific installation experience. A contractor who has installed hundreds of asphalt shingle roofs but only a handful of metal roofs does not have the skills for a quality metal installation. Metal roofing requires different tools, techniques, and engineering knowledge — especially clip spacing, thermal expansion management, and flashing details that do not exist in shingle work.

How many metal roofing quotes should I get?

Get at least three quotes from contractors who specialize in metal roofing. More important than the number of quotes is making sure you are comparing the same specifications: same gauge, same coating system, same clip type and spacing, same underlayment, and same flashing details. A low quote that specifies 26-gauge steel is not comparable to a higher quote specifying 24-gauge.

Should I choose the cheapest metal roofing quote?

Rarely. The cheapest metal roofing quote often means corners cut on clip spacing, underlayment quality, flashing details, or gauge thickness. These shortcuts save the contractor money during installation but cost the homeowner money in premature failures, leaks, and warranty voidance. Compare quotes on specifications, not just price.

What certifications should a metal roofing contractor have?

Look for manufacturer certifications from the panel system they plan to install. Also verify state licensing, general liability insurance ($1M minimum), workers' compensation coverage, and — for Gulf Coast installations — familiarity with FORTIFIED Roof standards and Florida Building CodeFlorida Building Code (FBC)The statewide building code for Florida, one of the most stringent in the U.S. for wind and hurricane resistance. Requires product approvals (FL numbers or Miami-Dade NOAs), specific underlayment, and testing per TAS protocols.The FBC has two tiers: the base code (statewide) and the High Velocity Hurricane Zone (HVHZ) code for Miami-Dade and Broward counties. HVHZ requires Miami-Dade NOA approvals and full self-adhering underlayment. Both are more demanding than the International Building Code.Why it matters: Any metal roof installed in Florida must comply with FBC. This means the exact panel, clip, and fastener combination must have a valid Florida product approval. Unapproved products cannot legally be installed, and insurance will not cover them.Learn more → requirements if applicable.

How can I verify a metal roofing contractor's experience?

Ask for a portfolio of completed metal roofing projects (not shingle projects), request references from past metal roofing clients, verify their license and insurance independently, and check whether they hold manufacturer certifications for the specific panel system they propose. A qualified metal roofing contractor will have these readily available.

What should a metal roofing quote include?

A complete metal roofing quote should specify: panel profile and manufacturer, substrate gauge (24 or 26), coating system (PVDF or SMP), clip type and spacing, underlayment product and coverage, all flashing and trim details, fastener type, tear-off and disposal of existing roof (if applicable), warranty terms (both manufacturer and workmanship), and a projected timeline.

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