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40 Year Roof Shingles: Are They Worth the Cost?

FreeRoofingCalc TeamUpdated February 2024
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Quick Answer:

A 40-year roof shingle is a premium, heavy-weight architectural shingle designed for extreme weather resistance. While they cost significantly more than standard shingles, they offer Class 4 impact resistance against hail and typically last 28 to 32 years in the real world.

When a roofing contractor sits at your kitchen table to present their bid, they will usually offer you a “Good, Better, Best” scenario. The “Good” option is the standard architectural shingle. The “Best” option is an incredibly expensive, heavy-duty product heavily marketed as a premium 40 year roof shingle. As a homeowner facing a massive bill, you must decide: is it worth paying an extra $3,000 for a roof that promises to last a decade longer, or is the 40-year claim just an expensive marketing illusion?

Before you start aggressively negotiating the price of premium heavy-duty shingles with a contractor, you must know exactly how much material your house requires. Use our Free Roofing Calculator right now to compute your exact roof surface area and generate a mathematically flawless estimate in seconds.

Table of Contents

Table of Contents

  1. What Are 40 Year Roof Shingles? (The Premium Upgrade)
  2. How Much More Do 40-Year Shingles Weigh?
  3. How Long Do 40-Year Composition Shingles Actually Last?
  4. What Is a Class 4 Impact Rating on Premium Shingles?
  5. Conclusion: Is the Upgrade Worth It?
  6. FAQ

What Are 40 Year Roof Shingles? (The Premium Upgrade)

40-year roof shingles, also known as premium or luxury architectural shingles, are made from three or four thick layers of asphalt laminated together. They are often infused with rubberized polymers (SBS) to remain flexible and prevent cracking during freezing winters.

In the roofing industry, a “40 year roof shingle” (often referred to as a premium architectural or luxury shingle) is a heavily upgraded version of the standard asphalt shingle.

  • Standard Shingles: A standard architectural shingle is made of two thin layers of fiberglass and asphalt glued together.
  • 40 Year Composition Shingles: The premium 40-year models are manufactured with three or even four massive layers of heavy asphalt, aggressively laminated together. Furthermore, they are often infused with SBS (Styrene Butadiene Styrene) modified bitumen. This rubberized polymer makes the shingle incredibly flexible, preventing it from snapping or cracking during brutal winter freezes.

How Much More Do 40-Year Shingles Weigh?

A premium 40-year luxury shingle weighs between 350 and 450 pounds per square, compared to just 220 to 240 pounds for a standard shingle. This massive weight makes them virtually immune to wind uplift, easily withstanding 130 MPH hurricane winds.

The most significant physical difference between a standard shingle and a 40-year premium shingle is the sheer mass of the material.

Shingle Type Weight Per Square (100 sq ft)
Standard Architectural (30-Year) 220 - 240 lbs
Premium Luxury (40-Year/50-Year) 350 - 450 lbs

Because they are so incredibly heavy and thick, they are practically immune to wind damage. A standard roof might lose shingles in a 90-MPH storm, but a heavy luxury shingle is rated to easily withstand a Category 3 hurricane (130 MPH) without lifting.

How Long Do 40-Year Composition Shingles Actually Last?

No asphalt shingle will survive 40 years of sun exposure. In reality, a heavy 40-year luxury shingle will last between 28 and 32 years before the UV radiation dries out the protective oils, causing the asphalt to become brittle.

Despite the massive weight and extreme durability, no asphalt shingle on earth will survive 40 years of brutal sun exposure in the real world.

Asphalt is an oil-based product. No matter how thick the shingle is, the relentless UV radiation of the sun will eventually bake the protective oils out of the asphalt, rendering it dry, brittle, and cracked.

Shingle Type Real-World Lifespan
Standard Architectural 20 to 22 Years
Premium 40-Year Luxury 28 to 32 Years

While it will not actually hit the 40-year marketing mark, the premium shingle will legitimately give you an extra 8 to 10 years of leak-free life compared to a standard roof.

What Is a Class 4 Impact Rating on Premium Shingles?

A Class 4 Impact Rating is the highest level of hail protection. Premium 40-year shingles absorb the kinetic energy of massive hailstones, acting like a rubber trampoline to bounce the ice away without shattering the fiberglass mat underneath.

The greatest reason to buy a 40 year roof shingle is not for the extra lifespan; it is for the impact resistance.

Many premium heavy-weight shingles achieve a Class 4 Impact Rating (the highest rating possible). The rubberized SBS polymers in the asphalt act like a trampoline. If a massive, two-inch hailstone crashes onto the roof, the heavy rubberized shingle absorbs the kinetic energy and violently bounces the ice away without bruising or shattering the fiberglass mat underneath.

If you live in the Midwest or “Hail Alley” (Texas, Oklahoma, Colorado), a standard roof will be destroyed by the first major spring storm. A Class 4 premium shingle will survive the storm flawlessly, saving you from filing a massive insurance claim.

Conclusion: Is the Upgrade Worth It?

If you are planning to sell your house in five years, do not waste your money on heavy 40 year composition shingles; the next buyer will not pay a massive premium for them. However, if this is your “forever home,” or if you live in an area terrorized by massive hailstorms and hurricane-force winds, upgrading to a heavy, rubberized premium shingle is an incredibly wise investment. It guarantees you will not have to endure the nightmare of replacing your roof again for nearly three decades.

Once you decide which level of shingle you want to install, you must ensure you order the exact right amount of material. Head over to our Free Roofing Calculator right now. By inputting your home’s basic dimensions, the tool will instantly output your exact total square footage, giving you the flawless data required to order your expensive premium shingles.

FAQ

Will a Class 4 shingle lower my homeowner’s insurance?

Yes! Almost all major insurance companies offer a massive discount on your monthly premium (sometimes up to 20%) if you install a certified Class 4 impact-resistant shingle. The insurance company knows that the premium roof is highly unlikely to be destroyed by hail, drastically reducing their risk of having to pay out a $20,000 claim.

Are 40 year shingles harder to install?

Yes. Because they are incredibly thick, heavy, and stiff, they are exhausting to carry up the ladder and brutal to cut with a utility knife. Many contractors charge a higher labor rate to install premium luxury shingles because the sheer physical toll on the crew is significantly higher than installing standard lightweight shingles.

What is the difference between a 40-year and 50-year shingle?

In the modern roofing industry, the terms are largely interchangeable marketing phrases for “Luxury” or “Premium” heavy-weight shingles. Since 2011, most major manufacturers have completely dropped the “40-Year” or “50-Year” terminology and simply brand all of their architectural and luxury shingles with a “Lifetime” (limited to the original owner) warranty.

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