Stone Coated Steel Roofing: Cost, Pros & Cons in 2026
Stone coated steel roofing combines the durability of metal with the classic appearance of tile, shake, or slate. Each panel starts as a steel sheet coated with a zinc-aluminum alloy for corrosion resistance, then covered with natural stone granules bonded to the surface with an acrylic overglaze. The result is a roofing material that weighs a fraction of concrete tile, handles 160 mph winds, lasts 50 years or more, and looks nothing like a typical metal roof.
For coastal South Carolina homeowners who want the maximum hurricane protection without the weight of concrete tile or the industrial look of standing seam metal, stone coated steel is one of the strongest options available. At $14 to $22 per square foot installed, it sits between premium asphalt shingles and high-end metal roofing in price, but its 50-year lifespan makes it competitive on a cost-per-year basis.
At WeatherShield Roofing in Myrtle Beach, we install stone coated steel from multiple manufacturers and can walk you through whether it is the right investment for your specific home and budget.
What Is Stone Coated Steel Roofing?
Stone coated steel roofing is a multi-layer roofing panel made from a pressed steel base with protective coatings and a natural stone finish. The manufacturing process creates a roofing material that combines the structural advantages of steel with the aesthetic appeal of traditional roofing materials.
Layer 1 — Steel substrate: A 26-gauge or 24-gauge steel sheet provides the structural core. This is the same grade of steel used in automotive and industrial applications.
Layer 2 — Zinc-aluminum alloy coating: Either Zincalume (55 percent aluminum, 43.5 percent zinc, 1.5 percent silicon) or Galvalume provides corrosion protection. This coating prevents rust even if the stone surface is scratched or damaged, because the zinc provides cathodic (sacrificial) protection to the exposed steel.
Layer 3 — Acrylic primer: A basecoat creates adhesion between the metal surface and the stone granules.
Layer 4 — Natural stone granules: Crushed basalt rock or ceramic-coated minerals are embedded in the acrylic base. These granules provide color, UV protection, and sound dampening.
Layer 5 — Clear acrylic overglaze: A final protective layer seals the granules in place and provides additional weather resistance.
Stone Coated Steel Roofing Cost (2026 Myrtle Beach Pricing)
| Roof Size | Low End ($14/sqft) | Average ($18/sqft) | High End ($22/sqft) |
|---|---|---|---|
| 1,200 sqft | $16,800 | $21,600 | $26,400 |
| 1,500 sqft | $21,000 | $27,000 | $33,000 |
| 2,000 sqft | $28,000 | $36,000 | $44,000 |
| 2,500 sqft | $35,000 | $45,000 | $55,000 |
| 3,000 sqft | $42,000 | $54,000 | $66,000 |
Pricing includes tear-off of existing roofing, new synthetic underlayment, the stone coated steel panels, all flashings, ridge trim, and labor. Complex roof designs with multiple hips, valleys, dormers, or steep pitches will push costs toward the higher end.
Cost Per Year Perspective
At $36,000 for a 2,000 sqft roof with a 50-year lifespan, stone coated steel costs about $720 per year. Architectural shingles at $12,000 with a 20-year coastal lifespan cost $600 per year — but you will need 2.5 shingle roofs to match one steel roof's lifespan, making the true shingle cost $30,000 total plus the disruption and risk of multiple replacements.
Pros and Cons of Stone Coated Steel Roofing
Pros
- 160+ mph wind rating: Exceeds the most stringent coastal building codes. One of the highest wind ratings of any residential roofing material
- 50-year lifespan: Most manufacturers warranty for 50 years. Real-world performance of 40 to 70 years
- Lightweight: Only 1.4 pounds per square foot compared to 9 to 12 pounds for concrete tile. Can be installed on any existing roof structure without reinforcement
- Class A fire rating: The highest fire classification available, important for homes near wooded areas or in communities with fire risk
- Class 4 impact resistance: Withstands 2-inch hailstones without damage, the highest impact rating available
- Salt air resistant: The Zincalume/Galvalume coating protects against coastal corrosion. Excellent for Myrtle Beach homes within miles of the ocean
- Traditional appearance: Available in tile, shake, and shingle profiles that look like natural materials, not metal
- Quiet in rain: Stone granule surface absorbs sound, unlike bare metal roofing
- Energy efficient: Thermal break between the panel and the deck reduces heat transfer. Can lower cooling costs by 20 to 25 percent compared to dark asphalt shingles
- Walkable: Interlocking panels can support foot traffic for inspections and maintenance without damage (with proper technique)
Cons
- Higher upfront cost: $14 to $22 per square foot is 2 to 3 times the cost of architectural shingles, though the cost-per-year calculation often favors steel
- Limited installer availability: Not every roofing contractor is trained to install stone coated steel. The interlocking panel system requires manufacturer-specific training
- Granule loss over time: The stone coating gradually loses granules over 20 to 30 years. This is cosmetic and does not affect waterproofing, but the roof may need recoating eventually
- Repair complexity: Individual panels are harder to replace than shingles because the interlocking system means adjacent panels must be partially lifted to access the damaged one
- Color limitation: Fewer color options than asphalt shingles, though the available range covers most aesthetic preferences
Top Stone Coated Steel Roofing Brands
DECRA Roofing Systems
DECRA invented stone coated steel roofing in 1957 in New Zealand and remains the market leader. Their product line includes DECRA Tile (Mediterranean tile profile), DECRA Shake (wood shake profile), DECRA Shingle Plus (flat shingle profile), and DECRA Villa Tile (Roman tile profile). All DECRA products carry a 50-year limited warranty transferable to subsequent homeowners. DECRA uses a zinc-aluminum alloy coating with stone chips from natural volcanic basalt. Cost: $15 to $22 per square foot installed.
Boral Steel (now part of Westlake Royal Roofing)
Boral Steel offers the Pine-Crest Shake, Granite-Ridge Shingle, and Barrel-Vault Tile profiles. Their panels use a Zincalume steel base with SMOG-rated stone chip coating that helps reduce air pollution through a photocatalytic process. Boral carries a 50-year limited warranty with a unique Fade Resistance warranty. Cost: $14 to $20 per square foot installed.
MetroRoof (Gerard Stone Coated Steel)
MetroRoof products, manufactured under the Gerard brand, offer tile, shake, and shingle profiles with a focus on the residential market. Their products use a Galvalume steel substrate with natural stone granules. The MetroShake and MetroTile profiles are popular for coastal homes due to their interlocking design that resists wind uplift. Cost: $14 to $19 per square foot installed.
Interested in stone coated steel for your Myrtle Beach home?
WeatherShield Roofing provides free consultations with product samples from multiple manufacturers. Call (843) 877-5539 or visit our roof replacement services page.
Hurricane Performance: Why Coastal Homeowners Choose Stone Coated Steel
For Myrtle Beach homeowners, hurricane resistance is not optional — it is the primary concern. Stone coated steel excels in hurricane conditions for several reasons.
Wind resistance: The interlocking panel design creates a monolithic surface where each panel locks to the panels above, below, and beside it. Unlike individual shingles that can peel off one at a time, stone coated steel panels resist uplift as a connected system. The concealed fastening system means no exposed nail heads that can work loose over time.
Impact resistance: Class 4 impact rating means the panels withstand 2-inch diameter steel ball impacts from 20 feet without cracking. This protects against hailstones and airborne debris during storms. Unlike brittle materials like concrete tile that can shatter on impact, the steel substrate flexes and absorbs the energy.
Weight advantage: At 1.4 pounds per square foot, stone coated steel puts minimal load on the roof structure. During a hurricane, the wind forces on a lightweight roof system are lower than on a heavy roof, which means less stress on the structural connections between the roof and the walls. This is particularly important for FORTIFIED Home certification, which focuses on the continuous load path from roof to foundation.
Water resistance: The interlocking design and the concealed lap joint system prevent wind-driven rain from penetrating even during sustained high-wind events. The panels channel water to the overlapping edges and down to the gutter system without exposing the underlayment.
Stone Coated Steel vs Other Roofing Materials
| Feature | Stone Coated Steel | Architectural Shingles | Concrete Tile | Standing Seam |
|---|---|---|---|---|
| Cost/sqft | $14 – $22 | $4.50 – $7.50 | $9 – $18 | $12 – $22 |
| Lifespan | 40 – 70 years | 20 – 30 years | 50 – 100 years | 40 – 70 years |
| Wind rating | 160+ mph | 110 – 130 mph | 150+ mph | 140 – 180 mph |
| Weight (per sqft) | 1.4 lbs | 2.5 lbs | 9 – 12 lbs | 1.5 lbs |
| Impact rating | Class 4 | Class 1 – 4 | Class 1 – 2 | Class 4 |
| Fire rating | Class A | Class A | Class A | Class A |
| Structural reinforcement | Not needed | Not needed | Often required | Not needed |
Installation Process
Stone coated steel installation follows a specific sequence that differs significantly from shingle or standing seam installation. This is why it is critical to use a contractor with specific training and experience in stone coated steel systems.
- Tear-off and deck inspection: Remove existing roofing and inspect the deck for damage. Replace any rotted or soft decking. In Myrtle Beach, we commonly find moisture damage in the decking near the coast
- Underlayment installation: Apply synthetic underlayment over the entire deck. In coastal South Carolina, ice and water shield membrane is applied at the eaves, valleys, and around all penetrations
- Batten strip installation: Unlike shingles that install directly on the deck, stone coated steel panels are mounted on horizontal batten strips. This creates an air gap between the panels and the deck that improves ventilation and thermal performance
- Panel installation: Panels are installed from the eave up, overlapping horizontally and vertically. Each panel interlocks with adjacent panels and is fastened to the battens with concealed screws
- Trim and flashing: Ridge caps, hip caps, valley channels, and wall flashings are installed using manufacturer- specific trim components that match the panel profile
- Final inspection: A thorough inspection verifies all panels are properly interlocked, all fasteners are seated, and all flashings are sealed
A typical residential stone coated steel installation takes 3 to 5 days for a 2,000 square foot roof, compared to 1 to 2 days for asphalt shingles. The additional time is due to the batten system and the precision required for the interlocking panels.
Energy Efficiency and Cooling Savings
Stone coated steel roofing provides significant energy savings in Myrtle Beach's hot climate through two mechanisms.
First, the batten system creates an air gap between the panels and the roof deck. This air gap acts as a thermal break, reducing heat transfer from the sun-heated panels to the building below. Studies by the Florida Solar Energy Center show this ventilated air gap can reduce roof-level heat gain by 25 to 45 percent compared to materials installed directly on the deck.
Second, the stone granule surface reflects more solar energy than dark asphalt shingles. Light-colored stone coated steel panels can achieve Solar Reflectance Index (SRI) values above 25, compared to less than 10 for dark asphalt shingles. This translates to measurable cooling cost savings of 15 to 25 percent in our climate.
Insurance Premium Savings
Stone coated steel's combination of Class 4 impact resistance, 160+ mph wind rating, and Class A fire rating qualifies for the maximum insurance discounts available from most South Carolina carriers. Homeowners switching from standard asphalt shingles to stone coated steel commonly report insurance premium reductions of 15 to 35 percent, saving $500 to $2,000 per year. Over a 50-year roof life, those savings can total $25,000 to $100,000, often covering a significant portion of the original installation cost.
Frequently Asked Questions
How much does stone coated steel roofing cost?
Stone coated steel roofing costs $14 to $22 per square foot installed in the Myrtle Beach area. For a typical 2,000 square foot home, that translates to $28,000 to $44,000 for a complete roof replacement. Coastal South Carolina pricing tends toward the higher end due to hurricane-rated fastener requirements and the need for experienced installers.
How long does stone coated steel roofing last?
Stone coated steel roofing lasts 40 to 70 years with proper installation. Most manufacturers warranty the product for 50 years, covering both the steel substrate and the stone coating. In coastal South Carolina, the salt air environment does not significantly affect stone coated steel because the protective coatings prevent direct contact between salt and the steel substrate.
Can stone coated steel withstand hurricanes?
Yes. Stone coated steel is one of the most hurricane-resistant materials available. Most products are tested and rated for wind speeds of 160 mph or higher, exceeding the requirements for even the most stringent coastal building codes.
Is stone coated steel roofing noisy in rain?
No. The stone granule coating absorbs sound, making it no louder than asphalt shingles during rain. Independent acoustic testing shows stone coated steel produces 46 to 50 decibels during heavy rain, compared to 44 to 48 decibels for asphalt shingles. The difference is imperceptible.
What are the disadvantages of stone coated steel roofing?
The main disadvantages are higher upfront cost at $14 to $22 per square foot, limited installer availability, and the stone coating can gradually lose granules over 20 to 30 years requiring eventual recoating. Despite these drawbacks, the 50-year lifespan often makes stone coated steel the most cost-effective option over the life of the home.
Is stone coated steel good for coastal homes?
Excellent. The 160 mph wind rating exceeds coastal building code requirements. The Zincalume coating protects against salt air corrosion. The lightweight panels do not require structural reinforcement. And the Class 4 impact resistance provides comprehensive protection against hurricanes, hail, and windborne debris.
Stone coated steel vs standing seam: which is better?
Both are excellent with different strengths. Stone coated steel offers a traditional tile or shake appearance and better sound dampening. Standing seam has a modern clean-line look and fewer seams. Both handle 160+ mph winds and last 40 to 70 years. For a traditional look, stone coated steel wins. For a modern aesthetic, standing seam is better.
Get a Free Stone Coated Steel Roofing Estimate in Myrtle Beach
Interested in stone coated steel for your coastal South Carolina home? WeatherShield Roofing provides free on-site consultations with product samples from DECRA, Boral, and other manufacturers. We will evaluate your home, discuss the best profile and color options, and provide a detailed written estimate.
We are licensed roofing contractors (SC License #124773) with 82 five-star Google reviews, serving Myrtle Beach homeowners since 2022. We will give you an honest comparison of stone coated steel against other options for your specific situation.