A commercial roof is designed to protect the building’s people, property, and assets from water, weather, wind, and other hazards from the outside elements. But like any other system, it requires regular maintenance and regular inspection to ensure it is performing in its optimal condition and is lasting as long as it should. In this article, we will explore the lifespans of commercial roofs and offer valuable tips on how to extend its lifespan.

Expected Life of a Commercial Roof

When properly maintained and cared for, a commercial roof can last up to 15-20 years. The main factor that will ultimately determine the lifespan of a commercial roof is the material that is used.

Different Materials Used to Construct Commercial Roofs

Many different materials are used to construct commercial roofs. Some of the most popular materials used are metal, wood, single-ply, tar & gravel, built-up-roofing, and modified bitumen. Each material has its own unique benefits and downsides and will make the lifespan of the roof vary.

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Metal Roof

Metal roofs are very popular because of their durability, fire-resistant properties, and low cost. A metal roof typically has an expected lifespan of about 20-50 years and is one of the longest-lasting materials on the market.

Wood Roof

Wood roofs are often used when a more traditional look is desired. Wood roofs are sturdy and can last up to 25-30 years when properly maintained and sealed.

Single-Ply Roof

Single-ply roofs are usually made from a single layer of membrane material and have a life expectancy of 15-30 years. These roofs are easy to install and are great for rooftops with an uneven surface.

Tar & Gravel Roof

Tar & gravel roofs are made from multiple layers of tar-based materials and gravel on top. These roofs are very durable and can last up to 20 to 25 years.

Built-up Roofing

Built-up roofing is one of the most popular roofing materials used on flat surfaces and industrial buildings. These roofs are often made up of several layers of tar, asphalt, and gravel and can last up to 20-25 years.

Modified Bitumen Roof

Modified bitumen roofs are a popular choice for sloped roofs because they are easy to install and lightweight. These roofs have an expected lifespan of 15-20 years and are great for residential and commercial buildings.

Ways To Prolong The Life Of Your Commercial Roof

There are several steps you can take to ensure that your commercial roof lasts as long as it should. Here are some tips on how to prolong the life of your commercial roof:

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Regular Cleaning and Maintenance

To ensure your roof lasts as long as possible, it is important to have regular cleanings and maintenance. This should include inspecting and replacing any worn, loose, or damaged components. This will help to prevent moisture and water damage so your roof can last longer.

Address any damage right away

If you discover any damage on your commercial roof, it is important to address it right away. Ignoring any damage can lead to further damage and decrease the lifespan of your roof.

Inspect for Moss and Algae Growth

Moss and algae can grow on your roof over time and can lead to a decrease in the life of your roof. It is important to have these inspected and cleaned to help prevent any damage to your roof.

Choose Quality Materials

When selecting materials for your commercial roof, it is important to choose quality materials. This will ensure that your roof lasts longer and is strong enough to withstand the elements.

People Also Ask

What is the average lifespan of a commercial roof?

The average lifespan of a commercial roof is 15-20 years when properly maintained.

What are the most common materials used in commercial roofing?

The most common materials used in commercial roofing are metal, wood, single-ply, tar & gravel, built-up-roofing, and modified bitumen.

Are there any tips for prolonging the life of a commercial roof?

Yes, there are a few tips to help prolong the life of a commercial roof. These include regular cleaning and maintenance, addressing any damage right away, inspecting for moss and algae growth, and choosing quality materials.

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How do I know when it’s time to replace my commercial roof?

It is recommended that you have your commercial roof inspected regularly by an experienced roofing contractor. They will be able to tell you if it is time to replace your roof or not.

What is the difference between a commercial and residential roof?

The main difference between commercial and residential roofs is their size and the materials used. Commercial roofs are larger and require more durable materials than residential roofs.

Final Words

Knowing the lifespan of a commercial roof is important for property managers or business owners. Different materials used to construct the roof can have vastly different expected lives and it is important to select the material that meets your property’s needs. Taking the time to assess the condition of the roof every year, cleaning and routine maintenance, and selecting good quality materials will help to extend the life of your commercial roof.