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according to an article on roofingcalc.com

If you are in the process of buying a new home, you probably want to know the age of the roof and how much longer it will last. Similarly, if you’ve lived in your home for a while, you are probably also wondering about the current condition of the roof and whether it’s time to consider some viable replacement options.

This guide outlines the expected lifespans of most popular roofing systems for homes. Print it out and use it to assess the life expectancy of any roof when buying a new home or planning for future roof replacement needs in your own home.

Right Off the Bat: A typical asphalt shingle roof will last anywhere from 15 to 25 years before requiring replacement.

That said, there are several different kinds of asphalt shingles, as well as other roofing materials to consider when estimating the longevity of a particular roofing system. Let’s get started.

1. Asphalt Shingles

3 tab shingle is the most basic and least costly asphalt shingle option for sloped roofs. A typical 3-tab asphalt shingle roof will last anywhere from 10 to 20 years.

3-tab shingles are an OK option for temperate climates, but they are not at all suitable for storm-prone areas. The maximum wind-uplift a 3-tab shingle roof can withstand is 60 MPH to 70 MPH.

Note: When exposed to strong, direct sunlight and rapid temperature changes (thermal shocks) commonly associated with southern states and dessert climate zones (think Texas, Arizona, Oklahoma, Nevada, and parts of California dessert), asphalt shingles can develop cracks, resulting in a greatly diminished lifespan and premature failure.

Architectural aka Dimensional Shingles are thicker and hence more durable and longer-lasting than their entry-level counterparts, three-tab shingles. Most architectural shingle roofs will last anywhere from 15 to 25 years, depending on their environment.

The maximum wind uplift for most architectural shingle products is 110 MPH. With a special installation method and roof-frame bracing, the wind uplift rating can be increased to 130 MPH.

Premium Shingles are normally fancier-looking asphalt shingles designed for premium homes. A premium shingle is normally thicker and will last longer than a mid-range architectural shingle. The expected lifespan of a premium shingle roof is anywhere from 20 to 30 years, depending on the environment.

Wind uplift ratings for premium shingles are similar to architectural shingles. Premium shingles can also include special properties such as enhanced solar reflectance aka CoolRoof rating and impact resistance for hail prone areas.

See more details on various types of premiums shingles here: https://www.roofingcalc.com/gaf-vs-certainteed-roofing-shingles/

Tell-Tale Signs to Consider Replacement: If the asphalt shingles on your roof have developed major cracks, lost a lot of sand granules, are chipping and look dried-up or curled up, then you know it’s time for a new roof.

If the shingles are still in seemingly good shape, but the roof has sustained significant storm or hail damage, then it’s probably time to consider replacement or partial replacement.

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