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Class 3 and Class 4 Options ArmourZone Reinforcement Available Up to 130 mph Limited Wind Warranty Class A Fire-Rated Shingles Limited Lifetime Warranty Options

Warranty coverage, wind ratings and impact classifications are subject to the selected product, installation requirements and current IKO warranty documents.

IKO Asphalt Shingles

IKO Options for North Texas Roofs

North Texas roofing systems must be prepared for high winds, heavy rain, extreme summer heat and hail-producing storms. IKO offers several shingle lines that allow homeowners to balance cost, appearance, wind protection and impact resistance.

Greenleaf Roofing helps homeowners compare the entire system—not simply the color or price of the shingle. The right recommendation depends on the home, roof design, ventilation, surrounding conditions, budget and the homeowner's long-term priorities.

Browse every material we install on our roofing products page, or see how a shingle roof fits into our residential roofing services.

Close-up of the dimensional profile of IKO architectural roofing shingles Physical IKO shingle color samples compared on site

Cambridge, Dynasty and Nordic

Compare IKO Roofing Shingles

IKO Cambridge architectural roof shingles

IKO Cambridge

Architectural Style and Practical Value

IKO Cambridge is an architectural asphalt shingle designed for homeowners who want a dimensional appearance and dependable performance at an approachable price point.

Key features:

  • Class 3 impact-resistance rating
  • Standard 110 mph limited wind warranty
  • Limited high-wind warranty upgrade to 130 mph when all requirements are met
  • FastLock sealant
  • True Square Advantage sizing
  • Built-in blue-green algae resistance
  • Class A fire resistance when installed over an approved underlayment
  • Limited lifetime warranty, subject to IKO's written terms

Best fit:

Homeowners looking for an economical architectural shingle with dimensional curb appeal and Class 3 impact resistance.

Product reference: IKO Cambridge Architectural Shingles

IKO Dynasty Class 3 performance shingles

IKO Dynasty

Performance Shingles With More Color Choices

IKO Dynasty is a performance shingle that combines Class 3 impact resistance with IKO's ArmourZone reinforced nailing area. It is a strong option for homeowners who want enhanced wind performance and a broader range of color choices.

Key features:

  • Class 3 impact-resistance rating
  • ArmourZone reinforced nailing area
  • 130 mph limited wind warranty when installation requirements are met
  • FastLock sealant
  • True Square Advantage sizing
  • Built-in blue-green algae resistance
  • Class A fire resistance when installed over an approved underlayment
  • Limited lifetime warranty, subject to IKO's written terms

Best fit:

Homeowners who prioritize stronger wind performance, reinforced fastening and expanded design choices.

Product reference: IKO Dynasty Performance Shingles

IKO Nordic Class 4 impact-resistant shingles

IKO Nordic

IKO's Class 4 Impact-Resistant Performance Shingle

IKO Nordic is the premium impact-resistant option in this comparison. It uses polymer-modified asphalt and ArmourZone reinforcement to provide additional strength and flexibility.

Key features:

  • Class 4 impact-resistance rating
  • Polymer-modified asphalt
  • ArmourZone reinforced nailing area
  • 130 mph limited wind warranty when installation requirements are met
  • FastLock sealant
  • True Square Advantage sizing
  • Built-in blue-green algae resistance
  • Class A fire resistance when installed over an approved underlayment
  • Limited lifetime warranty, subject to IKO's written terms

Best fit:

Homeowners who place the highest priority on Class 4 impact resistance and premium shingle performance.

Product reference: IKO Nordic Performance Shingles

Impact ratings are not a guarantee against hail damage. Hail damage is not covered under IKO's limited shingle warranty. An impact-rated roof may qualify for an insurance discount where available, but homeowners must confirm eligibility and requirements directly with their insurance carrier.

Comparing asphalt options across manufacturers? Start with our shingle roofing overview.

How the Shingles Are Built

IKO Roofing Technology

ArmourZone

Available on Dynasty and Nordic shingles, ArmourZone provides a wider, reinforced fastening area. This helps installers place nails accurately and improves resistance to nail pull-through and wind uplift when the shingles are installed according to IKO's requirements.

FastLock Sealant

FastLock is IKO's factory-applied sealant strip. Heat from the sun activates the sealant, helping the shingles bond together and resist wind uplift and wind-driven rain.

True Square Advantage

IKO's True Square Advantage is designed to provide consistent shingle dimensions and coverage, helping produce clean courses and a uniform finished appearance.

Impact-Resistant Options

Cambridge and Dynasty carry Class 3 impact ratings. Nordic carries a Class 4 impact rating. These classifications may be helpful in hail-prone areas, but no asphalt shingle should be advertised as hail-proof.

Algae Resistance

Cambridge, Dynasty and Nordic incorporate protection intended to help resist the dark streaking associated with blue-green algae.

From the Roof Deck Outward

A Complete IKO Roofing System

The field shingles are only one component of a dependable roofing system. Greenleaf Roofing evaluates and specifies the components needed to protect the home from the roof deck outward.

  1. Roof deck and necessary decking repairs
  2. Manufacturer-approved underlayment
  3. Leak barriers at vulnerable roof areas
  4. Drip edge and perimeter metal
  5. Starter shingles
  6. IKO field shingles
  7. Hip and ridge cap shingles
  8. Pipe, wall, chimney and penetration flashing
  9. Balanced attic ventilation

Every roof is different. Final components should be selected according to the roof design, applicable building codes, IKO installation requirements and the warranty being requested.

Complete asphalt shingle roofing system components

Residential Roofing Systems

Why Choose Greenleaf Roofing?

A premium shingle cannot correct an improperly designed or poorly installed roofing system. Greenleaf Roofing begins with the existing roof, identifies the conditions causing problems and develops a complete solution for the property.

Greenleaf Roofing crew installing an IKO asphalt shingle roofing system in DFW

Detailed Roof Evaluation

We inspect the roof covering, deck, flashing, ventilation, penetrations and drainage before recommending a replacement system.

Product-Specific Guidance

We help homeowners compare Cambridge, Dynasty and Nordic based on impact rating, wind protection, color, cost and long-term priorities.

Complete-System Installation

Our crews address the components beneath and around the shingles—not simply the visible roof covering.

Clear Documentation

Homeowners receive clear information about the selected materials, installation scope, warranties and maintenance considerations.

Local Experience

Greenleaf Roofing has been solving complex roofing problems throughout DFW since 2013.

Five Steps From Inspection to Closeout

Our IKO Roof Replacement Process

1. Roof Inspection

We assess the existing roof, decking, flashing, ventilation and visible storm-related conditions.

2. Product Selection

We compare the appropriate IKO shingle lines, colors, accessories and warranty requirements.

3. Written Roofing Plan

The proposal identifies the selected roofing system, necessary repairs, accessories and project scope.

4. Professional Installation

The roof is installed according to the approved scope, applicable codes and current manufacturer instructions.

5. Final Inspection and Closeout

We inspect the completed system, clean the property and provide applicable warranty and project documentation.

Frequently Asked Questions

Frequently Asked Questions About IKO Shingles

It depends on the homeowner's priorities. Cambridge offers architectural value and Class 3 impact resistance. Dynasty adds ArmourZone reinforcement, a 130 mph limited wind warranty and more color options. Nordic provides IKO's Class 4 impact-resistant performance option.

No. Nordic carries a Class 4 impact-resistance rating, but no asphalt shingle is hail-proof. Storm severity, hail size, wind speed, roof age and many other factors affect whether damage occurs.

They may qualify for a discount where offered, but eligibility varies by insurance carrier and policy. The homeowner should obtain written confirmation directly from the carrier before selecting a product based on a potential discount.

ArmourZone is a reinforced and wider nailing area used on Dynasty and Nordic shingles. It is intended to improve nail placement and resistance to nail pull-through and wind uplift.

It is a limited manufacturer warranty—not a guarantee that the roof cannot sustain wind damage. The rating requires specific installation methods, materials and fastening patterns. All current IKO requirements must be followed.

The featured products offer limited lifetime warranty coverage, but “lifetime” has a specific meaning in IKO's warranty. Coverage, transferability, exclusions and initial protection periods are governed by the current written warranty.

Online tools are helpful for narrowing the options, but monitor settings, lighting and manufacturing variations can affect color appearance. Final color selections should be made from current full-size physical samples.

Find the Right IKO Roofing System for Your Home

Not every home needs the same shingle. Greenleaf Roofing will inspect your roof, explain the available IKO options and help you select a complete system that fits your property and priorities.

Schedule a Roof Inspection Call (972) 379-9109

Greenleaf Roofing — Solving Complex Roofing Problems in DFW Since 2013

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