UPDATED FOR 2025
Owens Corning Duration FLEX Review: Does Class 4 Impact Resistance Justify the Cost?
Owens Corning Duration FLEX review: Does Class 4 impact resistance justify the cost? Complete analysis and comparison to popular brands.
Key Takeaways:
- Class 4 represents the highest impact rating for residential impact resistance. UL 2218 testing involves dropping 2-inch steel balls from 20 feet onto shingles. Class 4 shingles show no tearing, fracturing, or loss of weather seal. This far exceeds Class 3 standard shingles.
- Homeowner insurance discount can offset 30-50% of premium costs over 7-10 years. Most New York insurance companies offer 5-15% policy discounts for Class 4 roofing. For Long Island homes with $3,000-5,000 annual premiums, this creates $150-750 yearly savings.
- Installing Class 4 impact-resistant shingles may qualify homeowners for insurance premium discounts. Insurance companies often provide these incentives due to the enhanced durability and impact resistance of products like Duration FLEX.
- Long Island experiences moderate hail risk, not high risk. Nassau and Suffolk Counties see significant hail events every 3-7 years, but frequency doesn’t match Midwest “hail alley” regions. Duration FLEX provides protection, but necessity varies by location and property value.
- SureNail Technology remains the core engineering advantage. Duration FLEX integrates the same 2.5x better nail pull-through resistance found in standard Duration. The modified asphalt formulation adds impact resistance while maintaining proven wind performance.
- Not every Long Island home needs Class 4 shingles. High-value properties, homes with claim histories, or properties in areas with frequent severe weather benefit most. Standard Class 3 shingles prove adequate for many situations.
- Certified installation determines whether insurance discounts apply. Most insurers require professional installation documentation and may inspect installations before approving discounts. County Roofing Systems’ Owens Corning Platinum Preferred certification ensures compliance.
- Duration FLEX costs compete favorably with other Class 4 options. GAF ArmorShield II and CertainTeed NorthGate provide similar Class 4 protection at comparable pricing. Duration FLEX’s SureNail Technology distinguishes it from alternatives.
Owens Corning Duration FLEX represents the premium tier in the Duration family. This impact-resistant shingle achieves UL 2218 Class 4 rating—the highest impact resistance classification available for residential roofing.
TruDefinition® Duration FLEX® shingles are made with a proprietary blend of SBS polymer modified asphalt, which gives them enhanced flexibility and makes them more durable.
The rubberizing effect of the uniquely blended SBS modified asphalt makes the shingle pliable, providing greater flexibility and enhanced durability, especially in harsh weather conditions. Duration FLEX® shingles are designed to help protect your roof to withstand conditions in every season.
But Class 4 certification adds $800-1,200 to typical Long Island roof replacement costs. Does this premium investment deliver worthwhile returns through insurance discounts, enhanced hail protection, and superior durability?
This comprehensive review examines Duration FLEX from every angle. You’ll understand its technical specifications, real-world performance in Long Island weather, insurance discount calculations, and whether Class 4 impact resistance makes financial sense for your Nassau County, Suffolk County, or NYC home.
Understanding Class 4 Impact Resistance
The UL 2218 Testing Standard
Underwriters Laboratories developed UL 2218 to measure roofing material impact resistance objectively. The testing protocol evaluates how shingles withstand impacts from steel balls dropped from specific heights.
Four impact resistance classes exist, with Class 4 representing the highest residential rating. Understanding the test requirements clarifies what Class 4 certification actually means.
- Class 1: 1.25-inch steel ball dropped from 12 feet
- Class 2: 1.5-inch steel ball dropped from 15 feet
- Class 3: 1.75-inch steel ball dropped from 17 feet (standard architectural shingles)
- Class 4: 2-inch steel ball dropped from 20 feet (Duration FLEX and premium impact-resistant shingles)
Shingles pass each class when showing no tearing, fracturing, matting splits, or loss of weather seal after two impacts at the same location. This rigorous testing simulates severe hail strikes common during intense storms.
What Class 4 Means for Hail Protection
A 2-inch steel ball dropped from 20 feet simulates approximately 2-inch diameter hail striking at terminal velocity. Long Island rarely experiences hail this large, making Duration FLEX’s protection level exceed typical local conditions.
However, severe thunderstorms occasionally produce 1.5-2 inch hail across Nassau and Suffolk Counties. These events cause significant roofing damage to standard shingles, creating insurance claims, premature replacement needs, and property value concerns.
Duration FLEX shingles are engineered to withstand intense storm conditions and resist damage from storm debris, such as falling branches, hail, and other objects carried by severe weather. Duration FLEX® shingles are designed to withstand severe weather events, including hail, rain, and powerful winds.
Duration FLEX withstands these impacts without damage. This protection prevents claims, preserves roof longevity, and maintains appearance through events that devastate standard architectural shingles.
Owens Corning Duration FLEX Technical Specifications
Modified Asphalt Technology
Duration FLEX achieves Class 4 impact resistance through SBS (Styrene Butadiene Styrene) modified asphalt.
The proprietary blend of SBS polymer modified asphalt in these shingles gives them greater flexibility and enhanced durability compared to standard shingles. This polymer modification increases the shingle’s flexibility and impact absorption without compromising other performance characteristics.
SBS modified asphalt behaves more elastically than standard asphalt. When hail strikes, the material flexes to absorb energy rather than cracking or fracturing. After impact, the asphalt returns to its original shape, maintaining weather seal integrity.
This modification doesn’t affect appearance, weight, or dimensional characteristics. Duration FLEX looks identical to standard Duration while providing superior impact protection.
SureNail Technology Integration
Duration FLEX incorporates Owens Corning’s SureNail Technology—the woven fabric strip integrated into the nailing area providing 2.5 times better nail pull-through resistance compared to standard shingles.
This technology works identically in Duration FLEX as in standard Duration. The modified asphalt doesn’t diminish SureNail’s wind resistance benefits. You receive both impact protection and enhanced wind performance in a single product.
For Long Island’s nor’easter wind events combined with occasional severe thunderstorms, this dual protection proves valuable. Your roof resists both sustained wind forces and impact damage from storm-driven debris or hail.
Complete Technical Specifications
- Weight: 260 lbs per square (100 sq ft) – slightly heavier than standard Duration’s 250 lbs
- Warranty: Limited Lifetime transferable with 10-year SureNail coverage
- Wind Resistance: Up to 130 mph with complete system installation
- Impact Rating: UL 2218 Class 4 certification
- Algae Protection: 10-year StreakGuard warranty
- Fire Rating: Class A UL Listed
- Colors Available: 19 TruDefinition Duration colors matching standard Duration palette
TruDefinition Duration Colors
Duration FLEX offers the complete TruDefinition Duration color range, with shingles available in a range of popular colors from subtle to vibrant. Both shingle types are available in a variety of colors to enhance curb appeal. This consistency means choosing Class 4 protection doesn’t limit aesthetic options.
Popular Long Island selections include:
Onyx Black – Bold, dramatic appearance complementing contemporary architecture
Estate Gray – Sophisticated gray tones working with virtually any exterior
Driftwood – Warm, neutral tones enhancing traditional Colonials
Aged Cedar – Natural wood tones without maintenance concerns
Teak – Rich brown tones complementing brick and stone
Brownwood – Classic earth tones for traditional homes
Sand Dune – A multi-dimensional, visually striking color that adds warmth and depth to your roof design
Storm Cloud – A vibrant, multi-dimensional shade designed to enhance curb appeal with a modern touch
Summer Harvest – A vibrant, seasonal-inspired color that brings a lively, fresh look to your home
The color technology remains identical to standard Duration. You receive the same high-definition contrasts, multiple granule blends, and UV resistance whether choosing standard Duration or Duration FLEX.
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With nearly four decades serving homeowners under our belt, we know what’s needed to make your roofing project a success.
When you work with County Roofing, you get only the best. As little as 0% interest on approval for 5 years, quick approval, easy pay, and all backed by the best guarantees in the industry.
Long Island Hail Risk Analysis
Historical Hail Patterns in Nassau and Suffolk Counties
Understanding local hail frequency and severity helps evaluate whether Class 4 protection justifies its premium. Long Island’s hail risk falls between minimal coastal areas and high-risk Midwest “hail alley” regions.
Nassau and Suffolk Counties experience significant hail events (1+ inch diameter) approximately once every 3-7 years based on NOAA storm data. These events typically occur during severe thunderstorm outbreaks between May and September.
Most hail events produce 0.75-1.5 inch diameter stones. Occasionally, severe storms generate 1.5-2 inch hail causing substantial roofing damage. The July 2021 severe weather outbreak and August 2020 thunderstorm complexes exemplify events where Class 4 shingles prevented damage standard shingles sustained.
Geographic Variation Within Long Island
Hail risk varies across Long Island’s geography. Understanding these patterns helps assess your property’s specific exposure.
Western Nassau County (Elmont, Valley Stream, Franklin Square): Moderate risk with proximity to NYC’s urban heat island potentially influencing storm behavior.
Central Nassau County (Garden City, Mineola, Westbury): Slightly elevated risk in transition zone between coastal and interior weather patterns.
Eastern Nassau County (Oyster Bay, Massapequa, Wantagh): Moderate risk with some coastal protection moderating most severe convection.
Western Suffolk County (Huntington, Smithtown, Commack): Elevated risk with interior location experiencing more intense convective development.
Central Suffolk County (Brookhaven, Ronkonkoma, Patchogue): Moderate-to-elevated risk with mixed coastal and interior influences.
Eastern Suffolk County (Riverhead, Hampton Bays, Montauk): Lower risk with coastal proximity and maritime influence moderating severe storms.
While these patterns exist, any location can experience damaging hail during severe thunderstorms. Class 4 protection provides value throughout Long Island, though necessity varies.
Comparing Long Island to High-Risk Hail Regions
Long Island’s hail frequency significantly underperforms Midwest and Southern Plains regions experiencing multiple severe hail events annually. Colorado’s Front Range, Oklahoma’s tornado alley, and Texas’s panhandle see 3-10x more hail events than Nassau or Suffolk Counties.
This comparison matters when evaluating ROI. In high-risk regions, Class 4 shingles often prove essential due to frequent damage. For Long Island, Class 4 shingles provide valuable insurance rather than absolute necessity.
Insurance Discounts: The Financial Math
New York Insurance Discounts for Impact-Resistant Roofing
Most major insurance carriers operating in New York offer premium discounts for UL 2218 Class 4 roofing installations. Discount percentages vary by carrier, but typical ranges fall between 5-15% of annual premiums.
Understanding how carriers structure these discounts helps you calculate potential savings:
- Allstate: Typically 7-10% premium reduction for Class 4 roofing in New York
- State Farm: Generally 5-8% discount, varies by specific policy details
- Liberty Mutual: Often 10-15% reduction for impact-resistant materials
- GEICO: Typically 5-7% discount for Class 4 certification
- Travelers: Usually 7-10% premium reduction for qualifying roofing
These percentages apply to your total homeowner’s insurance premium, not just the property coverage component. On Long Island’s expensive real estate, total premiums often range $3,000-6,000 annually for moderate-value homes, with luxury properties exceeding $10,000+.
Calculating Real-World Savings
Let’s examine actual financial impact for typical Long Island homes:
Scenario 1: Moderate-Value Nassau County Home
Home value: $650,000
Annual insurance premium: $3,200
Insurance discount (8%): $256/year
Duration FLEX premium over standard Duration: $900
Years to break even: 3.5 years
10-year cumulative savings: $2,560
Net financial benefit: $1,660
Scenario 2: Higher-Value Suffolk County Home
Home value: $950,000
Annual insurance premium: $4,800
Insurance discount (10%): $480/year
Duration FLEX premium over standard Duration: $1,100
Years to break even: 2.3 years
10-year cumulative savings: $4,800
Net financial benefit: $3,700
Scenario 3: Luxury Gold Coast Estate
Home value: $2,500,000
Annual insurance premium: $8,500
Insurance discount (12%): $1,020/year
Duration FLEX premium over standard Duration: $1,200
Years to break even: 1.2 years
10-year cumulative savings: $10,200
Net financial benefit: $9,000
These calculations demonstrate how higher property values and insurance premiums accelerate ROI for Class 4 investments. Luxury homes often justify Class 4 protection through insurance savings alone, before considering damage prevention benefits.
The Documentation Requirement
Insurance carriers require proper documentation to approve discounts. This typically includes:
Contractor certification – Installation by licensed, insured contractor meeting carrier requirements Material certification – Product literature or certificates confirming UL 2218 Class 4 rating Installation photos – Documentation showing proper installation techniques Final inspection – Some carriers inspect installations before approving discounts
County Roofing Systems provides complete documentation packages ensuring discount approval. Our Owens Corning Platinum Preferred Contractor status satisfies carrier requirements automatically. We coordinate directly with insurers streamlining the approval process.
Performance Beyond Impact Resistance
Wind Resistance and Nor’easter Protection
Duration FLEX achieves the same 130 mph limited wind warranty as standard Duration when installed as part of the Owens Corning Total Protection Roofing System. The modified asphalt formulation doesn’t compromise wind performance.
SureNail Technology provides the same 2.5x better nail pull-through resistance in Duration FLEX. Long Island’s nor’easters generate sustained winds of 40-60 mph with gusts reaching 70-80 mph. Duration FLEX’s engineering handles these conditions with substantial performance margin. Wind-driven shingle loss can lead to leaks and potential interior damage, so strong wind resistance and proper sealing are crucial to protect your home.
The slightly increased weight (260 lbs versus 250 lbs per square) provides marginal additional wind resistance through pure mass. While this 10 lb difference isn’t substantial, every incremental advantage matters during severe weather.
Algae Resistance in Long Island’s Humid Climate
Duration FLEX incorporates the same StreakGuard algae resistance technology as standard Duration, providing 10-year warranty coverage against blue-green algae discoloration.
Long Island’s coastal humidity creates favorable conditions for algae growth. While 10 years provides decent protection, it falls short of GAF’s 25-year StainGuard Plus coverage on Timberline HDZ products.
For properties with significant tree cover, north-facing roof slopes, or humid microclimates near water, consider whether 10-year algae protection proves adequate. Additional cleaning or treatment may become necessary after warranty expiration.
UV Resistance and Color Retention
Duration FLEX’s granule coating includes UV-blocking technology identical to standard Duration. Long Island’s summer sun—particularly amplified by water reflection near coastal areas—creates harsh UV exposure conditions.
The TruDefinition color blends maintain vibrancy through decades of exposure. Multiple granule shades create depth preventing the washed-out appearance common in lower-quality shingles after 10-15 years.
Modified asphalt’s increased flexibility doesn’t compromise UV resistance. Duration FLEX maintains appearance as effectively as standard Duration through Long Island’s temperature extremes and solar intensity.
Duration FLEX vs. Alternative Class 4 Shingles
GAF ArmorShield II Comparison
GAF offers ArmorShield II as its Class 4 impact-resistant option. Comparing Duration FLEX to ArmorShield II reveals meaningful differences in approach and features.
Wind resistance technology: ArmorShield II uses LayerLock mechanical locking versus Duration FLEX’s SureNail fabric reinforcement. Both effective approaches using different engineering philosophies.
Algae protection: ArmorShield II includes StainGuard Plus providing 25-year algae warranty—significantly exceeding Duration FLEX’s 10-year StreakGuard coverage. For humid Long Island environments, this advantage matters.
Pricing: ArmorShield II and Duration FLEX typically price within 5-10% of each other. Neither consistently costs significantly more.
Color options: ArmorShield II offers fewer colors than Duration FLEX’s 19 TruDefinition options. If specific colors matter, this influences choice.
Contractor relationships: County Roofing Systems holds top-tier certifications from both GAF and Owens Corning. We offer competitive pricing on both products without favoring one manufacturer.
CertainTeed NorthGate Comparison
CertainTeed’s Class 4 option, NorthGate, provides another alternative worth considering:
Impact resistance: NorthGate achieves Class 4 rating through polymer modified asphalt similar to Duration FLEX’s approach.
Wind resistance: NorthGate features QuadraBond adhesive (4 adhesion points versus competitors’ 2-3) achieving 130 mph wind resistance comparable to Duration FLEX.
Algae protection: StreakFighter technology provides 25-year warranty matching GAF but exceeding Owens Corning’s 10-year coverage.
Weight: NorthGate weighs 270 lbs per square—slightly heavier than Duration FLEX’s 260 lbs, providing marginal additional impact and wind resistance.
Pricing: NorthGate typically costs 5-15% less than Duration FLEX in Long Island markets, though specific pricing varies by contractor relationships.
County Roofing Systems advantage: Our CertainTeed SELECT ShingleMaster certification (top 1% nationwide) provides access to NorthGate with competitive pricing and enhanced warranty coverage.
Choosing Your Class 4 Shingle
Choose Duration FLEX if:
You prefer Owens Corning’s SureNail Technology approach to wind resistance
TruDefinition color options better match your home
Your contractor offers superior Owens Corning pricing
10-year algae protection proves adequate for your environment
Choose GAF ArmorShield II if:
Extended 25-year algae protection matters for humid microclimates
LayerLock immediate wind resistance appeals to you
ArmorShield II colors better complement your exterior
Your contractor provides better GAF pricing
Choose CertainTeed NorthGate if:
You want Class 4 protection at lower cost (5-15% savings)
QuadraBond’s 4-point adhesion system appeals to you
25-year StreakFighter algae protection matters
Slightly heavier shingles (270 vs 260 lbs) provide peace of mind
All three deliver excellent Class 4 impact resistance. Your choice depends on specific feature preferences, color options, and contractor relationships rather than one being clearly superior.
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That’s why we stand behind our work with the best guarantee in the industry– including warranties only 2% of roofing companies can offer.
Your house deserves the best roofing warranty on the market. Give us a call today and get a brand new roof with a 50-year material, 25-year labor warranty from the best roofing contractor in Long Island and New York.
When Class 4 Protection Makes Sense for Long Island Homes
High-Value Properties
Homes valued above $750,000 typically justify Class 4 investments more easily. Higher property values correlate with higher insurance premiums, accelerating discount ROI calculations.
Additionally, high-value properties often feature premium materials throughout. Class 4 roofing maintains consistency with overall quality standards while providing practical protection benefits.
For Gold Coast estates, North Shore luxury properties, and premium waterfront homes, Class 4 shingles represent appropriate material selections regardless of strict ROI calculations.
Properties with Claim Histories
Homes with previous hail damage claims or multiple weather-related insurance claims benefit substantially from Class 4 protection. Another claim could trigger premium increases or coverage restrictions.
Class 4 shingles prevent future hail claims, maintaining your favorable insurance status. This protection value extends beyond simple premium discount calculations.
If your property sustained hail damage during past severe weather events, Class 4 shingles provide peace of mind and practical protection against recurrence.
Areas with Elevated Severe Weather Exposure
Interior Suffolk County locations, western Nassau County near convective boundaries, or any area experiencing multiple severe thunderstorm events annually warrant Class 4 consideration.
While Long Island doesn’t match Midwest hail frequency, local variations exist. Properties in areas with observed patterns of recurring severe weather benefit from enhanced protection.
County Roofing Systems’ 35+ years serving Long Island provides insight into which neighborhoods experience elevated severe weather frequency. We’ll honestly assess whether your location justifies Class 4 investment.
When Standard Class 3 Shingles Suffice
Lower-value homes where insurance premiums don’t generate substantial discounts often see better value allocating budgets to other roofing system components rather than Class 4 shingles.
Coastal properties with lower hail frequency and maritime weather moderation often perform adequately with standard Class 3 architectural shingles.
Properties with limited budgets benefit more from investing in superior underlayment, proper ventilation, and quality installation rather than allocating limited funds to Class 4 shingles.
Homes with short ownership horizons may not recoup Class 4 premiums before selling unless property values and market conditions reward premium materials.
Warranty and Support: Owens Corning’s Coverage Explained
Investing in Owens Corning Duration FLEX shingles means more than just getting a high-performance roof—it also means enjoying the security of a robust limited lifetime warranty.
Owens Corning stands behind its Duration FLEX shingles with warranty coverage that protects against defects in materials and workmanship, as well as wind resistance and algae resistance.
This limited lifetime warranty gives homeowners confidence that their roof is protected for the long haul. Coverage includes wind resistance up to 130 mph when installed as part of the Owens Corning roofing system, and algae resistance to help keep your roof looking its best.
For complete details on the actual warranty, including any limitations or requirements, homeowners can consult the Owens Corning website or speak directly with a certified Owens Corning roofing contractor like County Roofing Systems.
In addition to strong warranty protection, Owens Corning offers dedicated customer support to answer questions and assist with any concerns that may arise.
By choosing Duration FLEX shingles, you’re not just getting superior materials—you’re also backed by a company known for its commitment to quality and customer satisfaction.
Professional Installation: Why Certification Matters
The Insurance Discount Documentation Challenge
Insurance carriers require professional installation documentation to approve Class 4 discounts. DIY installations or work by uncertified contractors typically don’t qualify—voiding the primary financial benefit of Duration FLEX investment.
Proper documentation includes:
Licensed contractor information and credentials
Material certifications confirming Class 4 rating
Installation photos showing proper technique
Warranty registration with manufacturer
Final inspection reports when required
County Roofing Systems provides turnkey documentation packages satisfying all carrier requirements. Our Owens Corning Platinum Preferred Contractor status automatically meets most insurers’ certification requirements.
What Platinum Preferred Certification Means
Owens Corning’s Platinum Preferred Contractor represents their highest contractor tier. Less than 1% of contractors nationwide achieve this designation.
Requirements include:
Proven installation excellence and customer satisfaction
Comprehensive insurance coverage protecting homeowners
Ongoing training and education on Owens Corning products
Financial stability and business longevity
Authorization to offer enhanced Platinum Protection warranties
This certification ensures you receive Duration FLEX installation meeting manufacturer specifications. Proper technique maximizes impact resistance, wind performance, and warranty validity.
County Roofing Systems’ Complete Installation Process
Our Duration FLEX installation incorporates:
Complete tear-off down to roof deck—never overlaying premium shingles
Deck inspection and repair addressing deficiencies before new material installation
Premium synthetic underlayment appropriate for quality installations
Grace Ice and Water Shield at all eaves, valleys, and vulnerable areas
Owens Corning starter strips ensuring proper edge sealing
Precision shingle installation following manufacturer specifications for nailing, offset, and positioning
Owens Corning ridge cap shingles completing the Total Protection Roofing System
Optimal ventilation ensuring adequate attic airflow
Complete documentation for insurance discount approval
Final inspection verifying quality standards and manufacturer compliance
This systematic approach ensures you receive Duration FLEX’s full performance benefits and insurance discount eligibility.
Fill out the form below or give us a call today at (888) 366-6619:
Making Your Duration FLEX Decision
The ROI Threshold Analysis
Use this framework evaluating whether Duration FLEX justifies its premium:
- Calculate your annual insurance savings – Contact your carrier requesting the specific discount percentage for Class 4 roofing. Multiply this percentage by your annual premium.
- Determine break-even timeline – Divide Duration FLEX’s premium cost ($800-1,200 typically) by annual insurance savings. This yields years to recover costs.
- Evaluate cumulative savings – Multiply annual savings by expected ownership duration. Subtract Duration FLEX premium from cumulative savings determining net financial benefit.
- Consider non-financial factors – Damage prevention, peace of mind, and enhanced property protection have value beyond pure ROI calculations.
- Assess your risk tolerance – Conservative homeowners value protection insurance even when strict ROI proves marginal. Aggressive investors focus purely on financial returns.
The Honest Contractor Perspective
After 35+ years installing impact-resistant shingles across Long Island, here’s our honest assessment:
- Class 4 protection delivers real value for many Long Island homes. Insurance discounts alone often justify investments, particularly for higher-value properties with substantial premiums.
- Not every home needs Class 4 shingles. Standard Class 3 architectural shingles perform excellently for many applications. We never push Class 4 products when simpler solutions suffice.
- Duration FLEX represents excellent Class 4 value. SureNail Technology, competitive pricing, and comprehensive color options make Duration FLEX our preferred Class 4 recommendation for most projects.
- Alternative Class 4 products deserve consideration. GAF ArmorShield II and CertainTeed NorthGate offer compelling features. We’ll help you compare all options transparently.
- Installation quality matters more than material selection. Improperly installed Duration FLEX performs worse than properly installed standard Duration while costing more and potentially voiding insurance discounts.
Schedule Your Free Class 4 Roofing Consultation
Wondering whether Owens Corning Duration FLEX makes sense for your Long Island home?
County Roofing Systems provides complimentary consultations including:
Insurance discount verification – We contact your carrier determining exact discount percentages and requirements for your specific policy.
ROI calculation – Personalized financial analysis showing break-even timeline, cumulative savings, and net benefit over expected ownership period.
Property risk assessment – Honest evaluation whether your location, home value, and circumstances justify Class 4 investment.
Alternative comparison – Side-by-side evaluation of Duration FLEX, ArmorShield II, NorthGate, and standard Class 3 options.
Material samples – View actual Duration FLEX shingles in all available colors compared to alternatives.
Detailed pricing – Written estimates for Duration FLEX and alternative products enabling informed comparison.
Documentation explanation – Understanding what carrier documentation requires and how we satisfy those requirements.
Contact County Roofing Systems Today
We serve Nassau County, Suffolk County, Queens, Brooklyn, Bronx, Manhattan, Staten Island, and Westchester County with specialized expertise in impact-resistant roofing.
Our team responds quickly, typically scheduling consultations within 48-72 hours. Evening and weekend appointments available.
As Owens Corning Platinum Preferred Contractors, GAF Certified Contractors, and CertainTeed SELECT ShingleMaster contractors (top 1% nationwide), we install all Class 4 products to manufacturer specifications ensuring warranty validity, insurance discount eligibility, and optimal performance.
Don’t trust Class 4 installations to contractors without proper certifications. Don’t accept generic ROI claims without personalized calculations. Don’t sacrifice insurance discount eligibility through improper documentation.
Call County Roofing Systems for expert analysis whether Owens Corning Duration FLEX delivers value for your specific Long Island home.
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- 0% financing
- No income check
- Up to 15 years
- Monthly payments as low as $149
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