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Understanding Commercial Roof Replacement Costs in 2023

Understanding Commercial Roof Replacement Costs in 2023

Commercial roofs are the backbone of any commercial property, protecting its inhabitants and assets from the harsh elements outside. With 2023 right around the corner, it’s important to gain an understanding of commercial roof replacement costs. In this blog, we will discuss various aspects of commercial roofing, including the factors that impact replacement cost, different types of roofing materials, and accessibility considerations. We will also delve into the importance of underlayment and wind loads, and what code requirements to follow when it comes to your commercial roof. Moreover, we will help you decide whether to re-roof or repair and provide you with a guide to estimating the cost of a commercial roof replacement. Lastly, we will share tips on maintaining your commercial roof system and how to get professional help for your next roofing project.

What is Commercial Roofing?

Commercial roofing is a specialized field of roofing that includes the installation, replacement, and maintenance of roofs on larger buildings like restaurants, retail centers, and apartments. Unlike residential roofing, commercial roofing has several types of systems to choose from, including shingle roofing, single-ply, concrete, modified bitumen, built-up roofing system, and tar and gravel. The cost of commercial roofing varies depending on the type of materials used and the size of the building. For instance, shingle roofing for steep-slope commercial roofing can cost between $2.50 to $5 per square foot. There are three main types of commercial roof construction: flat, low slope, and steep slope. Flat roofs require tapered insulation and impact overall cost. For extensive commercial roofing services, it is important to choose a reliable contractor to ensure quality results.

Factors That Impact Replacement Cost

Several factors influence the cost of commercial roof replacement. These factors include the type of roofing material and its quality, the square footage of the roof, and the complexity of installation. Other factors such as weather conditions, roof penetrations, and the type of building also impact the replacement cost. To save costs, owners can opt for a commercial roof restoration instead of replacement. Roof restoration is 50% less expensive, comes with an 18-year warranty, and can restore the roof’s functionality and offer long-lasting protection. Regular repairs of the commercial roof can maintain the insulation and prevent water leaks. The cost of roof repairs depends on the extent of the damage and the nature of the repair required to fix it.

Types of Roofing Materials

There are various types of roofing materials available, both for residential and commercial buildings. Shingle roofing materials are quite popular in residential buildings as they can be made of different materials like wood, metal, composite materials, slate and asphalt. Common materials for commercial steep-slope roofs include standing seam metal roofs, screw-down roof systems, metal shingles, Spanish tile, and asphalt shingles. Asphalt-based roofing systems have been used for over 100 years, can provide longevity with proper maintenance, but have a volatile pricing structure due to petroleum’s market value. Metal roofing systems are also popular and provide durability, fire resistance, and are available in different materials as well such as corrugated galvanized steel, stainless steel, copper, and more. The material type and style of shingles can significantly impact the overall cost, design, and ease of repair for your building’s roof.

Accessibility Considerations

Commercial roof replacement is a significant investment, and the cost can vary depending on several factors. Building accessibility and height are the top two factors that affect the cost of commercial roof replacement. Rooftop units, weather conditions, and property access come in next. In 2022, the cost of commercial flat roof replacement ranged from $3.25 to $30 per square foot. Contractors must ensure the occupants’ safety and comfort when replacing a commercial roof, which can add to the overall cost of replacement. Building code requirements and the condition of what’s underneath the roof can also impact the cost of commercial roof replacement. It’s essential to get a detailed estimate that considers all these factors before starting the replacement project.

Underlayment and Wind Loads

The cost of commercial flat roof replacement in 2023 can vary significantly, ranging from $3.25 to $30 per square foot. It depends on various factors, such as roof type, access, and building code requirements. The condition of the existing roof also affects the cost of replacement. The options available are cleaning and preparation at $0.10 to $0.75 per square foot, fastening a recovery board at $0.60 to $0.80 per square foot, or total removal at $1 to $2 per square foot. Underlayment is also a crucial factor contributing to the overall pricing of the roofing system. Moreover, the type of roofing materials used, the roof size and shape, and wind loads can all impact the cost of commercial roof replacement. Wind loads, in particular, can affect the cost, with higher loads requiring more insulation and therefore costing more for materials and labor. Considering all these factors is crucial when estimating the cost of a commercial roof replacement.

Code Requirements for Commercial Roofs

Commercial roofing codes vary from region to region, and companies must be vigilant to ensure their roofs comply with local ordinances. The code requirements for commercial roofs include fire resistance, adequate ventilation, slope specifications, and substrate/decking requirements. Flat commercial roofs are typically constructed with a built-up bituminous or single-ply roofing system, which is cost-efficient and long-lasting.

The materials used for commercial roofs include single-ply roofing materials like TPO, PVC, and EPDM, concrete, and modified bitumen. The top five commercial roof types include single-ply roofing, modified bitumen, built-up roof, metal roofing, and asphalt shingles. Due to the variety of options, it is important to choose a reliable and experienced contractor for commercial roofing services to ensure that the best materials and practices are applied. These factors are taken into account when determining the cost of a commercial roof replacement in 2023.

Re-roof or Repair?

When it comes to commercial roofing, deciding between re-roofing and replacement can be challenging. Re-roofing involves laying a new membrane over the old one and can only be done once. On the other hand, roof replacement involves tearing off the existing roofing system and addressing all underlying problems. When making the decision, consider the severity of the damage and the life span of the roof. Re-roofing is a more cost-effective way of restoring the appearance and providing protection.

The cost to replace a commercial flat roof in 2023 will range from $3.25 to $30 per square foot, which will depend on the type of material used and the complexity of the roof’s design. The cost of re-roofing is typically lower than that of replacement, and it can significantly save time and money. However, when in doubt, always seek the advice of a professional roofing contractor.

Estimating the Cost of a Commercial Roof Replacement

The cost of replacing a commercial roof varies depending on the size, type of roof, and building code requirements. A small flat roof on a single-story office building may cost over $80,000, while a large pitched roof on a multistory warehouse may cost over $200,000. Repairing a commercial roof typically costs between $3 to $7 per square foot of roof space, depending on the type of material used.

The cost of replacing a commercial flat roof is affected by several factors, such as the type of roof, access to it, and what’s underneath. It’s also important to keep in mind that building code requirements may add to the overall cost.

To get an accurate estimate for the cost of a commercial roof replacement, it’s best to consult a reputable contractor specializing in commercial roofs. Commercial building owners and property managers can also find helpful information online, such as this article by Nicole Corson, which provides insight into the cost of commercial roof replacements. It’s essential to consider all factors and seek professional advice to get an accurate idea of the costs of a commercial roof replacement.

Maintaining Your Commercial Roof System

Maintaining your commercial roof system is a vital investment to prolong the lifespan of your roof and protect your property. Roofing systems are worth the investment because they are key components in safeguarding your building against harsh weather conditions, water damage, and structural deterioration. Proper maintenance includes regular cleaning of debris, repairing damages, and assessing the roof’s overall condition. Regular inspection, sealing leaks, and removing debris can prolong the life of your roof and prevent expensive, premature repairs. Scheduled professional inspections will catch anything you might have missed, and it is highly beneficial to perform regular maintenance of a flat roof to avoid unexpected costs. Investing in roof maintenance will ultimately prove to be the more cost-effective solution.

Get Professional Help for Your Next Roofing Project

Commercial roof replacement is a complex and multifaceted process that involves approval and permitting, a preconstruction meeting, as well as potential noise disruptions. It is recommended to seek professional help in the form of roofing companies that specialize in commercial roof replacement. Benton Roofing is a leading roofing company trusted by developers, contractors, property managers, and building owners along the east coast. They offer customized solutions to fit your goals and budget. Contact them for an inspection of your roof to identify potential repairs and receive a project timeline and pricing. RoofCrafters is another recommended roofing company that can help you get started on your roofing project.Don’t hesitate to reach out to an expert, such as Rapid Restore, in order to ensure a smooth commercial roof replacement process.


A commercial roof replacement project can be a significant investment, but the cost can vary from one project to another. The factors that determine the replacement cost of a commercial roof are many, including the roofing material used, accessibility considerations, underlayment and wind loads, and code requirements. Maintaining your commercial roof system regularly can help cut down the replacement costs in the long run. It’s best to get professional help before you start your next roofing project. At [company name], we have a team of experts who can help you with all aspects of commercial roofing. Contact us today to discuss your project requirements.


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