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Class 4 impact resistant shingle roofing in Denver

Hailstorms damage homes across the Denver metro area each year. Class 4 shingles, also referred to as Class 4 impact resistant shingles, are the best choice homeowners can make to protect their roof. There is no such thing as a hail proof roof, but impact resistant roof shingles offer the best protection against future storm damage.

Metro City Roofing is the best Colorado roofing company to serve all your roofing needs with quality installation and superior customer service. We offer a FREE UPGRADE to your next Class 4 shingle roof.


99% success rate insurance claim approval when we recommend you file an insurance claim after your free inspection


$0 additional cost beyond your insurance deductible with no hidden surprises throughout your entire roof replacement process


28% average savings on homeowners insurance premiums with your free upgraded impact resistant shingles


The Best Class 4 Hail Storm & Wind Resistant Shingles

Colorado homeowners interested in upgrading their asphalt roof shingles often ask, what are the best Class 4 shingles?

There is no single best brand of Class 4 shingles. Manufacturers include Owens Corning, GAF, CertainTeed, Malarkey, and more. Asphalt shingles are manufactured to meet industry-defined standards. Impact resistant shingles with a Class 4 rating are designed and tested to provide better quality, durability, and overall resistance to hailstorms, as determined by independent testing company Underwriter Laboratories (UL). UL 2218 is the Class 4 hail rating for asphalt roofing shingles that are tested by dropping a 2-inch steel ball multiple times from 20 feet, simulating hail.

Metro City Roofing offers a FREE UPGRADE to Class 4 shingles for our roof replacement customers. Homeowners can save 28% on their homeowners insurance policy with their new Class 4 impact resistant roof. This represents an $863 average savings.

Beyond hail, strong winds can have a significant impact on a roof. Wind that hits the side of a home will travel up and over the roof creating pressure on the roofing materials. This uplift pressure may lift shingles off a roof deck. Class 4 hail resistant shingles are also designed to be wind resistant shingles, able to withstand high winds up to 130 miles per hour. The American Society for Testing Materials (ASTM) provides these shingles with the ASTM D7158 for wind resistance.

Impact resistant shingles (also referred to as Class 4 shingles) are roofing products specially designed to withstand extreme winds, snow, and hail damage. Class 4 shingles are manufactured with an SBS (styrene-butadiene-styrene)-modified asphalt formula, which is also called rubberized asphalt. These impact resistant shingles earn an impact resistance rating by UL, specifically the UL 2218 classification, which is the highest impact resistance rating.

When you have roof damage and need a roof replacement, some products offer better protection – and that’s impact resistant shingles. The professionals at Metro City Roofing look forward to discussing the merits of each brand and various design and color options in more detail that best suit your home and budget.

Layers of Class 4 impact resistant shingles by Owens Corning in brick red color

Impact resistant shingles better withstand hail damage Most insurance companies give discounts for these shingles

Class 4 Shingles History, Testing, and Ratings

We manage every detail of your roof replacement for you and treat your home like our own.

Aerial view of a recent roof replacement with light brown asphalt shingles and cream color exterior by Metro City Roofing in Denver, Colorado

Denver home with Class 4 shingles Specially designed to withstand extreme winds, snow, and hail damage

At Metro City Roofing, we start with a FREE ROOF INSPECTION. Our skilled professionals are also licensed adjusters who will inspect your roof just like your insurance company’s inspection. Our team will also gladly inspect the homes of past customers to ensure their roof continues to operate optimally following a hailstorm.

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Why Class 4 Impact-Resistant Shingles are Worth The Investment?

If you want added protection for your home and like saving money on your insurance, then Class 4 roof shingles are a smart investment. And there’s no better roofing company in Denver metro for quality installation and superior customer service than Metro City Roofing.

In general, a roof with Class 4 impact resistant shingles have many advantages and is a worthwhile investment because of the added protection and the material’s longevity. The need for impact resistant shingles, however, largely depends on where you live. In a hail-prone area like Colorado, homeowners need this type of hail resistant roof.

Following a hailstorm, you may notice your Class 4 roof shingles have some minor damage and granule loss. The real value is that impact resistant shingles are designed for strength in these extreme weather conditions, are much less likely to crack, and reduce the possibility of water entering a home than traditional shingles.

Benefits of Installing Impact Resistant Roof Shingles

Class 4 impact resistant shingles have many benefits, including savings from maintenance and repairs, premature roof replacement costs, and a likely discount to your homeowners insurance premium.

  • Versatility – Impact resistant roof shingles are versatile, working well in most neighborhoods, including ones with Homeowners Association (HOA) requirements.
  • Design variety – Impact resistant roof shingles are available in many different designs, from lower-cost 3-tab to architectural to various luxury options. Various shingle manufacturers offer many different colors so you can find something that will work great for your home.
  • Protection from strong storms – Impact resistant shingles offer the best protection for your roof from hail and windstorms. Impact resistant shingles are rated to withstand up to 2” hailstones.
  • Class A fire rating – Most asphalt shingle roof assemblies have a Class A fire resistance rating. There are three levels of fire resistance; Class A is the highest level.
  • Fewer unexpected repair expenses – The added thickness of the shingles will better withstand hailstones and reduce repair expenses. Certain Luxury shingles, such as CertainTeed Grand Manor or Presidential offer even further protection due to their added weight.
  • Extended roof lifespan – Upgrading your roof to Class 4 shingles will extend the life expectancy of your roof compared to standard architectural shingles.
  • Homeowners insurance and premiums discounts – Class 4 shingles deliver substantial discounts to homeowners insurance premiums, averaging 28% discount – and this discount extends for 50-years.
  • Cost effective quality – Class 4 shingles cost more than standard architectural shingles, but the cost to upgrade is less than you may think. The added cost typically averages $50 per 100 square feet. For a 2,000 square foot roof, that’s only $1,000. When considering the discount available on your homeowners insurance premium, these shingles pay for themselves quickly. And with Metro City Roofing, we offer a free upgrade to Class 4 shingles.
  • Easy installation – Impact resistant shingles require no additional or special installation process, compared to standard architectural shingles. Thus, your Class 4 roof installation is easy.
  • Energy-efficiency – Asphalt shingles are not only the most popular roofing material but also are energy efficient. Shingles allow great air circulation in a home, provided the roof has proper ventilation and insulation.
  • Longer manufacture warranty – Class 4 shingles have a 50-year rating and thus are available with longer manufacturer warranties than lower priced 3-tab shingles, with 20- to 25-year life expectancies or even the standard architectural shingles with a 30-year rating.
  • Property value improvement – Your roof can increase the value of your home. A Class 4 roof, along with the insurance discount available, is a major selling point. Further, a new roof will be more attractive to buyers and maximize offers.

A homeowner who wants the best protection for his/her home from storm damage will choose Class 4 impact resistant roof shingles. Homeowners who want the best roofing company in metro Denver will choose Metro City Roofing.

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Metro City Roofing offers a FREE UPGRADE to Class 4 impact resistant shingles with every shingle roof replacement.

Metro City Roofing crew replacing the roof of a duplex in Denver, Colorado with five crew members working in orange vests with landscape protection kit in the front of the duplex

Residential roofing experts Roof replacement for a duplex home in Denver


Best Class 4 Impact Resistant Shingles Brands For Your Home

Most asphalt shingle manufacturers make impact resistant shingles that meet the Class 4 rating. Class 4 shingles brands like Owens Corning, Certainteed, and GAF offer Class 4 impact resistant shingles and complete roof systems with beautiful style and quality in various shingle designs. Many of these products have a 50-year rating, compared to 30 years on standard asphalt shingles.

Metro City Roofing is a local, family-owned roofing company that only does business in Colorado. We do not chase storms across the country, setting up temporary operations. We live year-round in the same community as you.

Insurance companies love homes with Class 4 roofs, so much that they give substantial discounts with proof of a Class 4 impact resistant shingle installed. Homeowners save an average 28% on their homeowners insurance premiums.

Which Companies Make Class 4 Shingles?

Owens Corning Class 4 shingles

owens corning logo

Owens Corning is a leading asphalt shingle manufacturer in the United States, with corporate headquarters in Toledo, Ohio – and manufacturing right here in Denver, Colorado. Owens Corning Class 4 shingles are either the Duration Storm or a recent addition called the Duration FLEX. Owens Corning impact resistant shingles are available in seven colors.

GAF Class 4 shingles

gaf logo

There are two GAF Class 4 shingles options – Timberline Armorshield II and the Grand Sequoia. The Armorshield looks like a traditional dimensional shingle but with Class 4 impact resistance. The Grand Sequoia is a more premium wood-shake look with Class 4 impact resistance.

CertainTeed Class 4 shingles

certainteed logo

CertainTeed offers various impact resistant shingles (also known as IR shingles) and beyond, such as slate or metal roofing tiles and shake. CertainTeed Class 4 shingles include Northgate IR, Landmark IR, Belmont IR, and Presidential Shake IR.

Malarkey Class 4 shingles

malarkey roofing logo

The Legacy architectural shingles are Malarkey’s Class 4 shingles, available in 9 colors. Malarkey shingles are viewed as high-quality, more expensive than Owens Corning and GAF, but with strong warranties.

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Metro City Roofing cares about our local community.

We will donate $100 to Food Bank of the Rockies in your name following your completed roof replacement to give back to our local community.


Impact Resistant Roof Shingles Warranty & Lifespan

There is no such thing as a hail resistant roof, but Class 4 impact resistant roof shingles are the most advanced asphalt roofing shingles available. Class 4 shingles have a 50-year life expectancy, far superior to the standard architectural shingles 30-year life expectancy.

In the Denver metro and across the Colorado Front Range, extreme wind and hail can accelerate the lifespan, requiring homeowners to replace their roofs far sooner.

That’s why, at Metro City Roofing, we recommend Class 4 shingles for all our customers, and offer a FREE UPGRADE to Class 4 impact resistant shingles with every roof replacement. For insurance claims, we have a 99% success rate to get your storm claim approved.

Class 4 shingles are tested to withstand up to 2 inch hailstones. Here in Colorado, we can get extreme storms with large hailstones. In May 2017, the Denver metro area had nearly 4 inch hail. Imagine having replaced your roof in 2016, only having to do it again in 2017.

Close-up of premium asphalt shingle sample in gray color

Class 4 shingles are worth the investment Add protection for your home and save money on your insurance premium


How Much Does a Class 4 Shingle Roofing Cost?

Class 4 shingles cost more, but deliver a strong return on investment, providing increased hail damage resistance and reduced maintenance costs. Each 100 square feet of upgraded Class 4 shingles cost less than $50. Thus, a 2,000 square foot roof will cost only $1,000 incremental cost. A 3,000 square foot roof will cost an additional $1,500, compared to standard 30-year architectural shingles.

At Metro City Roofing, we offer a FREE UPGRADE to Class 4 shingle roofing for every roof replacement. You’re saving money already by choosing the professionals at Metro City Roofing. Homeowners may eliminate a costly roof replacement with a future hailstorm too. A Class 4 impact resistant roof is also an important feature when selling a home. Contact Metro City Roofing to learn more ways a Class 4 roof is the right choice for you.


Class 4 impact resistant shingles insurance discount

Helping to offset the expense of a roof replacement with premium Class 4 shingles, many insurance companies like Allstate and USAA offer a Class 4 impact resistant shingles insurance discount.

Homeowners can receive a 28% Class 4 shingles insurance discount on their homeowners insurance policy. That’s $863 annual average savings, which you will earn each year for 50 years!

Metro City Roofing offers our customers a FREE UPGRADE to Class 4 shingles. We have a 99% SUCCESS RATE to get your insurance claim approved. Contact us today.

Metro City Roofing is the only call you need to make for Colorado homeowners in need of a high-quality roofing contractor.

Aerial view of tree-lined neighborhood in Denver, Colorado

Class 4 shingle roof Accommodates solar panels on top of the shingles

The professionals at Metro City Roofing take pride in continual training and ensuring we are aware of changes to local code requirements. Contact us today to schedule your FREE ROOF INSPECTION with a roofing company that stands out from the rest.

Colorado Local Code Requirements

Colorado cities and counties are shifting to add Class 4 shingles when replacing a roof to their local code requirements. This is happening far beyond Colorado, in states like Florida and Texas, which also receive extreme weather.

Beyond shingle requirements, local code requirements continue to advance with drip edge required at eaves and rakes and an ice barrier (often called Ice and Water Shield) required in some Colorado cities and counties.

Drip edge plays an important role at all roof edges by directing water into the gutters and away from your fascia. An ice barrier helps to reduce ice damming, a natural phenomenon where ice builds at the edge of a roof and prevents melting snow from draining into the gutters. Water buildup behind the ice dam can leak inside a home.

For example, effective January 2019, the City of Fort Collins now requires asphalt shingles must be Class 4 impact resistant that meet the UL 2218 test. In Aurora and Jefferson County, an ice barrier is required for all re-roofing from the lowest edges of all roof surfaces up a minimum 24 inches inside the exterior wall. Depending on the roof’s pitch and soffit measurement, your roof may need one or two rolls of ice and water barrier along all eaves.

Where required by local code, building inspectors will look that these code items have been installed as a requirement to pass a final roof inspection. Some cities and counties require a mid-roof inspection, where only a defined percentage of roof may be shingled prior to approval to complete the entire roof replacement.

Check our Locations page to learn more about your specific Colorado city or county

Metro City Roofing is your one-stop-shop for a complete and professional roofing solution.


Same installation process. Very different results.

Installing a Class 4 impact resistant shingle is the same as a standard architectural or 3-tab asphalt shingle. According to the International Building Code (IBC), asphalt shingles must be fastened to solidly sheathed decks. Asphalt shingles can only be installed on roof slopes of 17% or greater (2 units vertical in 12 units horizontal). Fasteners for asphalt shingles can be galvanized, stainless steel, aluminum, or copper with no less than four fasteners per strip shingle. There may be a need for additional fasteners to comply with the manufacturer’s requirements for high wind areas.

Beyond only impact resistant shingles, we recommend installing the matching impact resistant ridge cap. As part of the Metro City Roofing difference, we install both impact resistant shingles and ridge cap for all roof replacements within our superior installation process.

Choose the Right Roofing Shingles after Hailstorm

If your home has damage following a hailstorm, you may experience added stress to survey the extent of damage and what to do next. Documenting all damage is critical as is making all necessary immediate repairs to further protect your home. You should also speak with your insurance company to make them aware of potential need to file a claim.

If your roof has damage, it is important to choose the right roofing shingles. Class 4 shingles offer the best protection against future hail storms but cost more than standard architectural Class 3 shingles.

Metro City Roofing field represenative using chalk to indicate hail damage on an asphalt shingle roof

Metro City Roofing field represenative using chalk to indicate hail damage on an asphalt shingle roof

Trusted By Major Insurance Companies

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For our roofing customers, we will handle additional trades for your home, including gutters, painting, windows, skylights, solar, and more.


Answers to Common Questions Asked by Our Customers

There’s no such thing as a hail resistant roof, but impact resistant shingles are well worth the cost.

At Metro City Roofing, we tell our customers that there is no such thing as a hail proof roof, but there are many options for impact resistant shingles. We share that impact resistant shingles will withstand most of the hailstorms in Colorado, but not a monster hailstorm as we experienced in May 2017. On May 8, 2017, a severe hailstorm delivered 3 inches or larger sized hailstones across the Denver metro area.

Many roofs with Class 4 impact resistant shingles still had hail damage to their roofs, but they withstood the extreme damage much better than lesser quality shingle roofs.

Aerial photo of several Victorian-style homes on a street across from a park in Denver, Colorado


Best Metro Denver Roofers For Your Roof

Metro City Roofing is the best roofing company in the metro Denver area. We are licensed and insured, with a focus on training and best-in-class credentials. Our team is licensed adjusters, who earn the same credentials as insurance adjusters. We set fixed appointment times, so you don’t stay home for several hours waiting around.

We specialize in roof replacements due to hailstorm damage and are the #1 roofing company recommended by local insurance agents in Denver metro. When you’re looking for the best “roofers near me”, look no further than Metro City Roofing.

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20+ years professional experience Senior and knowledgeable staff to best serve our customers

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We respect your time.

We schedule specific appointment times and don’t expect you to wait at home for us during long appointment windows.

Our Suppliers

As a top roofing company in Colorado, we install only high-end asphalt shingle roofing brands, such as Owens Corning, CertainTeed, and GAF. We frequently recommend Owens Corning since they manufacture locally in Denver, CO.

We proudly install Owens Corning roofing materials for a new shingle roof, including shingles, ridge vent, underlayment, starter, and more. Owens Corning is a United States Fortune 500 company. Metro City Roofing is a Preferred Contractor and has earned numerous Owens Corning certifications, including Total Protection Roofing System and Top of the House certification. We have been specially trained on how roofing, ventilation, and attic insulation work together to improve your home’s energy efficiency and comfort.

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Are you looking for the best metro Denver roofing company?

Metro City Roofing is the #1 roofing contractor recommended by local insurance agents across Denver and surrounding cities.