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This Is How Long It Takes to Replace a Roof (On Average)

construction crew in the process of replacing roof tiles

Are you planning to replace your old roof but worried about how long it might take? How long does it take to replace a roof?

It’s a common concern–-despite the fact that the average time for replacing a roof on a ~2,000-3,000 square foot property is typically only one day.

This article will unpack all the factors that can impact roof replacement and provide an estimated timeframe for various types of roofs.

Let’s dive in and ditch the guesswork on the roof replacement timeline. This is how long it takes to replace a roof

How Long Does it Take to Replace a Roof?

The complexity of the roof, the type of shingle, the roofing crews (professional roofer vs contractor) and outdoor weather conditions are all factors that can impact the time it might take to replace an existing roof.

Broadly speaking, the average time to replace a roof on a ~2,000-3,000 square foot residence is typically one day, but it can take anywhere from a couple of days to a few weeks.

Complexity of the Roof

worker replacing the old roof tiles

The complexity of your roof significantly affects the time it takes for a replacement. A simple, flat roof with minimal fixtures will be faster to replace than a steep or intricate design laden with dormers and valleys.

If the structure has multiple chimneys, skylights or vent pipes protruding from it, these features often extend the replacement timeframe as they require additional labor for appropriate sealing and flashing.


The accessibility of your roof significantly impacts the timeline for a replacement. Factors such as building height, obstructions, or even the existing roof’s condition can affect how easily roofing professionals can reach and work on your roof.

In certain instances where access is challenging—for example in multi-story buildings or edifices with complex architectural features—there may be a need for specialized equipment or techniques.

This additional requirement not only extends the duration of a roof replacement project but could also potentially increase costs due to extra resources needed for proper installation and ensuring worker safety.

A reputable roofing contractor will evaluate these elements during their initial estimate, providing you with a realistic project timeline based on their findings.

Weather Conditions

Extreme weather conditions play a significant role in the timeline for roof replacement. Storms, winter weather, and heavy rain can delay the installation process, potentially stretching an otherwise short-term project into a lengthy endeavor.

Likewise, sub-zero temperatures present challenges because freezing temperatures make roofing materials less pliable and more prone to breakage—not ideal for quality installations requiring warranty coverage.

On the flip side, sunny, dry climates allow roofing contractors to work efficiently without worrying about damaging precipitation or frigid temperatures. Consequently, scheduling your roof replacement during local off-peak seasons may expedite your project as both labor availability and climate conditions are favorable.

Average Timeline

On average, a roof replacement can take anywhere from a couple of days to a few weeks, depending on factors such as the complexity of the roof, accessibility, and weather conditions. The initial estimate usually takes into account scheduling service which may be a few days out.

Initial Estimate

When it comes to replacing a roof, the initial estimate for completion can range from a couple of days to a few weeks, depending on several factors. Factors such as the complexity of the roof, accessibility, and weather conditions can all play a role in how long it takes to complete the project.

For example, roofs with multiple angles or intricate designs may require more time and expertise to replace. Additionally, if your roof is difficult to access or located higher up on your property, it may take longer for workers to safely complete the job.

Furthermore, adverse weather conditions like heavy rain or snow can potentially delay the timeline for roof replacement. To get an accurate estimate and avoid any surprises along the way, it’s always best to consult with professionals who have experience in roof replacements.

Scheduling Service

man removing the old asphalt shingles from roof

When it comes to scheduling a roof replacement, it’s important to plan ahead. Typically, you’ll need to schedule the service a few days in advance based on the availability of the roofing company.

This ensures that they can allocate enough time and resources for your project. Keep in mind that the timeline may vary depending on factors such as weather conditions or the complexity of your roof.

It’s recommended to contact reputable roofing contractors early on so that they can provide you with an estimated timeframe for your specific situation. By planning ahead and booking your roof replacement a few days out, you can ensure a smooth and efficient process from start to finish.

Installation Day

During the installation day of a roof replacement, homeowners can expect the contractors or professional roofers to typically spend one day. This is especially true for an average-sized residential home and is roofing industry standard. Roofing contractors are skilled professionals who work efficiently to get your roof replaced in a timely manner.

Generally, asphalt shingles take about 1-2 days to install, metal roofs may take 2-5 days, wood shakes (wooden shingles) and slate roofs usually range from 5-14 days. Metal and concrete flat roofs typically fall within that same timeframe.

Hiring a reputable roofing contractor to replace your roof and preparing adequately ahead of time can cut down on the installation process timeline, without any unnecessary delays or disruptions.

Roof Replacement Process

Other factors that can change the scope of the roof replacement process and help to determine replacement time include: the choice of new materials, type of shingles, and the size of the home.

Choice of Roofing Materials

The choice of roofing materials plays a significant role in determining your new roof timeline. Shingles are the most obvious choice among the many different materials used, and can allow for a quick installation.

Different types of materials have varying installation requirements and complexities, resulting in different roofing replacement timeframes.

For example, slate or tile roofs can last between 50 to 100 years, making them a long-term investment that requires a more meticulous installation. On the other hand, asphalt shingles typically have a lifespan of up to 30 years depending on quality and climatic conditions. They tend to only take a day to install and are standard.

Size of the Home

large size house in roof replacement process

The size of your home plays an obvious and significant role in determining how long it takes to replace the existing roof. 

Larger homes generally require more materials, more labor, and more time to complete the project. A complex roof, or a steep roof can also present more challenges, as the roofing crew need to ensure they take appropriate safety precautions while working to replace your roof.

A larger home may have a more intricate roof structure, such as multiple angles or dormers, which can further extend the timeline for replacement.


The average timeline for roof replacement depends on several core factors, although the typical estimate is a single day. Factors such as the complexity of the roof, accessibility, roofing companies, roof materials, pre-existing structural damage, and inclement weather conditions can influence the overall time it takes to replace a roof.

Generally, for an average home with an asphalt shingle roof, it can take around one full work day to complete the replacement. However, tile or slate roofs may take up to a week. It’s important to consider these time frames when planning for a roof replacement and consult with a reputable roofing contractor at Anchor Point Roofing for an accurate estimate by professional roofers.

Contact Anchor Point Roofing today for your free consultation and estimate on a new roof–by a reputable roofing company. We will ensure your roofing project is handled efficiently and professionally, by our highly trained Chicago roofing team. 

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