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Frequently asked questions
Metal Roofing
Shingle Roofing
Siding
Other Questions
It’s a common concern- a new metal roof is a big investment, and you want it to look perfect! The good news: minor surface scratches are normal, expected, and covered under the manufacturer’s warranty.
Surface Marks Are Normal
Even with careful handling, light marks can occur during shipping or installation. Manufacturers like Sheffield Metals account for this in their finish warranty. Minor scratches aren’t considered defects and don’t affect the roof’s performance, durability, or coverage.
Touch-Up Paint for a Seamless Look
Sheffield Metals provides color-matched PVDF touch-up pens with every order. These blend with the original Kynar 500® or Hylar 5000® finish and are purely cosmetic. The protective layers underneath (Kynar finish, primer, and Galvalume® coating) stay intact to prevent corrosion.
Built-In Protection
Each panel includes multiple layers:
• Galvalume® base coat for corrosion resistance
• Primer for adhesion and protection
• Kynar 500® / Hylar 5000® topcoat for UV and color stability
Even if the topcoat is marked, the Galvalume layer still protects the steel. Deep damage through all layers is extremely rare.
When Touch-Up Is Used
Touch-up paint is applied sparingly to small marks from handling or tools. Over time, natural weathering helps the repair blend in completely.
The Bottom Line
Minor scratches are normal, easy to fix, and covered under Sheffield’s finish warranty. They don’t affect performance or longevity.
Many homeowners worry that metal roofs are noisy in the rain. The truth: when installed correctly, they are not. Modern residential metal roofs are engineered differently from thin barn or warehouse panels, and proper installation makes a big difference.
Sound Reduction Factors:
• Roof Deck & Underlayment: Panels are installed over a solid wood deck with a rubberized underlayment, which absorbs vibration and prevents the “ping” sound people associate with metal.
• Attic Design: Insulated, finished attics reduce sound reflection. Open attic spaces may allow some reverberation, but in most homes the difference from shingles is minimal.
• Trim & Accessories: Occasionally, water hitting trim may make noise, but this is similar to any metal siding or window cap and not unique to metal roofs.
• The Rain Sound Myth: Many homeowners actually enjoy the soft, consistent patter of rain on a metal roof. They find it soothing rather than loud.
Bottom Line: Properly installed metal roofing typically differs by less than 6 dB from asphalt shingles, which is barely noticeable. With decking, insulation, and underlayment in place, your home won’t sound like a barn, and for many, the gentle rain sound becomes a favorite feature.
Metal roofing is durable, efficient, and beautiful, but only when installed by someone who truly knows metal. Unlike shingles, metal roofs require precise fabrication, engineering, and on-site assembly. Every panel, seam, clip, and trim must fit the building perfectly, and even small mistakes can lead to leaks, buckling, or early failure.
Why Experience Matters
General roofers often install metal only occasionally. Common mistakes from inexperience include missing expansion gaps, improper fastener or sealant placement, wrong underlayment, and poorly fabricated trims. Fixing these errors usually requires removing the roof entirely.
In-House Fabrication
A roofer who fabricates panels and trims on-site are a perfect fit. This eliminates supplier errors, reduces seams, ensures proper sealant use, and allows them to customize finishes and profiles to your home or business.
The Specialist Advantage
True metal roof installers handle every stage- design, fabrication, and installation- ensuring thermal movement, fastener placement, and Kynar-compatible sealants are all properly executed. The result is fewer leaks, cleaner seams, and a roof that lasts 50+ years.
Bottom Line
A metal roof is a long-term investment, but only if installed by a specialist. Choosing a contractor who works with metal daily ensures precision, accountability, and a system engineered to perform, not just look like metal.
Many homeowners worry that metal roofing will look industrial or out of place. While shiny warehouse panels come to mind for some, residential metal systems are different. Modern fabrication, refined profiles, and custom trim allow metal roofs to look elegant, classic, and perfectly at home on homes from modern farmhouses to 1800s colonials.
Clean, Residential Panels
Use flat-pan standing seam panels instead of commercial panels with stiffening ribs. The smooth, 24-gauge steel creates crisp shadow lines and a high-end, tailored appearance while minimizing oil-canning.
Custom-Fabricated Trims
Unlike standard metal roof kits, making all trims in-house gives a more natural feel to your home. Gable trims, ridge caps, and hips are proportioned to fit your roof’s size and style, giving a cohesive, built-in look rather than a generic, oversized appearance.
Profile Height Matters
Commercial roofs often have tall seams that appear exaggerated on homes. Fabricating 1½" standing seams for most residential projects and 1" double-lock seams for historic or copper work provides refined lines and classic elegance.
Small Details Make a Big Difference
Use hidden fasteners, hand-hemmed trim transitions, and folded panel edges to create a sleek, polished appearance. These subtle touches distinguish a custom residential roof from a commercial installation.
Does Metal Roofing Fit on Historic Homes?
Metal roofs have been used in American architecture since the 1700s, from Monticello to early 19th-century porches and dormers. For historic restorations, we install 1" mechanical double-lock seams with 17" flat panels, maintaining period-accurate style while offering modern durability and low maintenance.
Modern Galvalume-coated steel with Kynar finishes replicates the look of traditional tin roofs without the upkeep or toxicity. Metal is ideal for porches, dormers, and low-slope sections, seamlessly matching the original architecture and blending with existing materials.
Bottom Line
Metal roofing doesn’t have to look industrial, and it fits beautifully on both modern and historic homes. With the right panel profile, gauge, and custom trim, a metal roof enhances your home’s architecture and becomes an elegant, lasting feature.
Selecting a metal roof color isn’t just about curb appeal. It affects your home’s style, aging, and even performance. Below is a guide for color families, finishes, and practical considerations to find the perfect match.
Metal Roof Color Families
• Traditional Colors: Matte Black, Dark Bronze, Colonial Red, Patina Green- timeless choices for historic or modern homes.
• Gray Tones: Charcoal, Slate, Dove, and Ash Gray- neutral, versatile, and modern.
• Warm Tones: Browns, tans, and beige shades that complement stone, brick, and wood.
• Accent Colors: Burgundy, Terra Cotta, Regal Blue, Regal Red- ideal for bold designs or standing seams.
• Heat Reflective Colors: Lighter shades like Regal White, Solar White, and Stone White reduce heat absorption in sunny climates.
• Premium Finishes: Metallics, textured, or weathered looks, including Copper, Silver, and Pre-Weathered Galvalume for a sophisticated or historic feel.
How Color Affects Heat
While lighter colors reflect more sunlight, all metal roofs share similar emissivity due to the Galvalume base. Proper insulation, ventilation, and underlayment often have a bigger impact on indoor temperatures than color alone.
Will the Color Fade?
Kynar 500® and Hylar 5000® PVDF finishes resist fading, chalking, and discoloration for decades and come with a 40-year warranty. Occasional cleaning keeps the color looking fresh.
Tips for Choosing Your Color
• Match Architecture: Historic homes pair well with Dark Bronze, Colonial Red, or Patina Green; modern homes with Matte Black or Silver.
• Consider the Environment: Lighter colors perform better in open or coastal areas; darker shades hold up well near trees.
• Review Samples in Sunlight: Colors can look very different in morning vs. evening light.
• Coordinate with Trim & Siding: Ensure the roof complements the home’s overall palette.
• Think Long-Term: Your roof can last 50+ years — pick a color you’ll still love decades from now.
Bottom Line
Choosing your roof color balances aesthetics, performance, and context. The right choice enhances your home’s beauty, value, and efficiency.
Why It’s Not Just “$X per Square Foot”
One of the most common questions we get is: “How much per square foot is your metal roof?” The short answer: there’s no simple rate. Every roof is unique, and factors like trim details, panel layout, pitch, and access all affect cost.
Why You Can’t Just Quote a Flat Rate
A price per square foot assumes a simple roof with minimal details. Real roofs often include:
• Trim assemblies: Dormers, valleys, skylights, and chimneys require custom fabrication and extra labor.
• Panel layout: Irregular roof sections or multiple fields slow installation.
• Panel length vs. clip count: Shorter panels don’t necessarily save time.
• Access and pitch: Steep slopes or hard-to-reach areas increase labor more than material costs.
How We Estimate
We combine satellite or blueprint measurements with field validation to calculate panels, trims, clips, fasteners, sealants, and labor. Our in-house fabrication reduces supplier markup, ensures precise fits, and allows for accurate pricing even on complex roofs.
Upfront Cost vs. Long-Term Value
Metal roofs typically cost 2–3× more upfront than shingles — for example, $16–$22 per sq. ft. versus $6–$11 per sq. ft. for architectural shingles. But metal roofs last 50–60+ years with minimal maintenance, while shingles often need replacement every 20–30 years.
A 2,000 sq. ft. roof illustrates the difference:
• Shingles: $16,000 initial + ~$33,500 replacement in 25 years = ~$52,000 over 50 years (including maintenance)
• Metal: $32,000 upfront, lasting 50+ years with minimal upkeep ≈ $32,500
Over time, a metal roof can save nearly $20,000- not including higher resale value, insurance discounts, or reduced landfill waste.
A Smart Compromise
If a full metal roof is outside your budget, consider metal accents on porches, overhangs, or entryways. This provides the aesthetic and durability benefits of metal at a lower cost.
Understanding Steel & Aluminum for Metal Roofing
When homeowners ask, “What kind of metal do you use?”- it’s the right question. The metal’s thickness, coating, and finish determine how your roof performs and how long it lasts.
Gauge: How Thick Is It?
In metal roofing, lower gauge = thicker metal. For most homes, 24 gauge steel is ideal- strong, smooth, and long-lasting. Thinner 26 gauge panels are cheaper but more likely to flex and show waviness.
Bottom line:
24 gauge is the gold standard for premium standing seam roofing.
How It’s Protected
Steel panels get multiple layers of protection:
• Galvalume base coat for corrosion resistance
• Primer for adhesion
• Kynar/Hylar topcoat (a PVDF finish) for long-term color and gloss retention
We use Sheffield Metals with true Kynar 500® finishes- the same technology trusted on commercial architecture worldwide.
Rust Resistance
With proper coatings, steel won’t rust. Minor scratches can be touched up with color-matched paint pens, and finish warranties often last 40 years or more. In coastal areas, aluminum may be a better choice since it naturally resists salt corrosion.
Steel vs. Aluminum
Both metals have their place, but steel is the stronger, more stable choice for most roofs. Aluminum doesn’t rust, but it’s softer, expands more with temperature changes, and costs more. Steel offers better rigidity, less movement, and greater value, which is why 24 gauge Kynar-coated steel remains the top pick for long-term performance in most environments.
In Summary, Ask Your Roofer:
• What gauge metal will you use?
• Is it true Kynar finish?
• What’s the warranty?
A 24 gauge Kynar-coated steel roof can last 50+ years- beautiful, durable, and built to perform.
Standing seam metal roofs shed snow and ice easily, which reduces weight but can cause large sheets to slide suddenly, potentially damaging gutters, landscaping, or anything below. Snow retention systems control how and when the snow moves, keeping your home safe.
Snow Guards vs. Snow Rails
• Individual Snow Guards: Small clips that break up snow gradually, ideal for smaller roofs or accent areas.
• Continuous Snow Rails: Rails along the seams that hold snow in place for larger areas, providing clean, even protection.
Our Recommendation: S-5!® ColorGard® System
The ColorGard system attaches directly to standing seams without drilling, uses SnoClips to prevent ice from sliding under, and includes color-matched strips to blend seamlessly with your roof. It works for both large commercial roofs and smaller residential projects, offering protection without sacrificing aesthetics.
Bottom Line
Snow sliding off a metal roof is normal. A properly designed snow retention system protects your property and ensures snow melts and moves safely while keeping your roof looking clean and balanced.
What Homeowners Should Know Before Installation
Metal roofing is an engineered system, not a product you can simply “nail down.” Proper installation requires planning, precision, and attention to details that affect both performance and appearance.
Key Do's
• Ensure the Roof Deck Is Straight and Solid: Panels need a flat, stable surface. Uneven decking must be corrected for long-term performance.
• Approve the Plan if Re-Framing Isn’t Feasible: If the deck has minor unevenness, we’ll show you exactly how panels will lay before proceeding.
• Understand Tolerances for “Belly” or Sag: Slight deviations (¼–½ inch over 20 feet) are acceptable and will be reviewed with you.
• Approve the Layout for Symmetry: Panels and seams should align across ridges, valleys, and edges to achieve a balanced, professional look.
• Leave an Expansion Gap at the Eave: Metal expands and contracts with temperature; proper gaps prevent buckling and stress.
• Sign Oil Canning and Color Selection Provisions: Mild waviness and color choices are acknowledged upfront to set clear expectations.
Key Don'ts
• Don’t Leave Plastic Film on Panels: Protective film must be removed promptly to avoid bonding or finish damage.
• Don’t Expect Panels to Hide Framing Issues: Metal follows the shape of the roof deck; framing flaws must be corrected before installation.
• Don’t Skip Layout Planning: Proper planning ensures even spacing, clean seams, and balanced panels.
• Don’t Assume All Roofs Require No Adjustments: Some decks require re-sheathing or re-framing to meet metal’s precise tolerances.
The Bottom Line
A metal roof is a precision system. By understanding these do’s and don’ts, you’ll know what to expect and why certain steps, like structural correction or layout approval, are essential. When done right, your roof will look flawless and perform for decades.
Even when two roofs look alike, what’s beneath the paint, the steel, coating, and finish, determines how long they last. That's why we use Sheffield Metals International products exclusively because their materials deliver unmatched quality, durability, and curb appeal.
True Kynar® Finish- Not an Imitation
Many suppliers use cheaper “Kynar-like” coatings, but Sheffield uses a true 70% Kynar 500® or Hylar 5000® PVDF resin, the industry standard for long-lasting color and protection.
• Resists UV damage, chalking, and peeling
• Expands and contracts without cracking
• Backed by a 40-year finish warranty
Built for Decades of Protection
Kynar’s non-porous chemistry keeps out water, salt, and pollutants, preventing fading or corrosion even after decades of weather exposure. It doesn’t just protect the roof- it protects the protection.
Heavier, Stronger 24-Gauge Steel
Sheffield’s U.S.-made 24-gauge steel is thicker, flatter, and more consistent than imported options. Each panel features a Galvalume® coating for exceptional corrosion resistance and reduced oil-canning. The result: a roof that performs and looks better for decades.
Made in the USA, Made to Last
Every coil of Sheffield steel is sourced from domestic mills and precision-calibrated for thickness and flatness. This ensures perfect panel fit and long-term performance on every custom standing seam roof we install.
The Result for Homeowners
Sheffield roofs are built to outperform and outlast the competition. They offer a 50–60+ year lifespan, superior fade and corrosion resistance, and a clean, consistent appearance that maintains its value over time.
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