Interlock Metal Roofing Prices, Top Features, Reviews (2023)

Typical Price Range To Install a new Roof
Low
$4,090
Average
$5,138
High
$7,418
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Interlock Metal Roofing is known for its excellent interlocking technology that creates a secure, weather-tight roof surface.

On average, you should expect to spend around $13,500 for a 1,700-square-foot Interlock metal roof.

However, the company doesn’t offer off-the-shelf products, so you’ll need to provide their contractors with exact measurements to get a quote.

With that said, an Interlock metal roof system becomes vastly more expensive if your roof has a complicated structure.

What Is Interlock Roofing?

Typical Price Range To Install a Metal Roof Average: $9,150 - $14,310
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If you’ve ever considered installing a metal roof on your house, chances are you’ve encountered Interlock Roofing Systems.

This company is one of North America’s most prominent manufacturers of roofing systems, particularly metal roofing. They operate across the United States and Canada and own over 10 distribution centers.

Interlock Roofing Systems has over 40 years of experience in the industry. It’s a member of the Metal Roofing Alliance (MRA), Metal Construction Association (MCA), and National Roofing Contractors Association (NRCA).

Metal roofs manufactured by Interlock are installed on many houses nationwide, and for good reasons.

These roofs are durable, sustainable, high-performance systems that protect your home in any weather and increase its curb appeal.

In addition, Interlock guarantees that by relying on its roofs, you’ll reduce your carbon footprint, contribute less to the planet’s pollution, and lower your energy bills.

How Much Does An Interlock Metal Roof Cost?

Average Roof Costs For:
Most Homeowners Spent Between: Most People Spent: $11,130 - $14,960 (For a 1600 sq. ft. Roof)
Low End
$9,768
Average
$12,119
High End
$18,450

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Interlock Roofing Systems claims its products aren’t off-the-shelf roofing material, mainly because each roof is different and has specific aspects that will affect the total price.

However, the average cost can still be calculated based on typical metal roofing prices.

Interlock Metal Roofing    
Material Cost per Square Foot Cost per 1,700 Square Feet
Aluminum $5.50 $9,350
Copper $10 $17,000
Type Cost per Square Foot Cost per 1,700 Square Feet
Slate Roofing $6 $10,200
Cedar Shingle Roof Shingles $5 $8,500
Shake Roofing $5.50 $9,350
Mediterranean Metal Roof Shingles $6.25 $10,625

Typically, a metal roof costs around $12,750 for a roof of 1,700 square feet. However, prices can go over $30,000 for some extremely high-end options.

For materials, the average cost is approximately $3 per square foot or $5,100 for a 1,700-square-foot roof.

With professional installation, you’ll pay about $4.50 per square foot, or $7,650 for the entire 1,700-square-foot roof.

Did you know? Interlock Roofing System has seasonal discounts on installation. For example, there’s a summer install discount that lets you save at least $1,250 on a metal roofing system.

Interlock Cost by Material

Interlock Roofing Systems primarily offers aluminum metal roofing. The shake, cedar shingle, standing seam, slate, and Mediterranean shingles are all made from aluminum.

However, there’s also premium copper roofing that’s at least double the cost of other metal roofing materials.

Aluminum

The cost of aluminum roofing at Interlock Roofing Systems varies by type and numerous other factors that usually determine the roof installation price. Still, you can expect the cost to be approximately $5.50 per square foot or $9,350 for a 1,700-square-foot roof.

Copper

Copper is the most charming metal roofing you can find on the market. But beauty isn’t the only quality that has made it the most sought-after material for millennia. It’s also extremely durable, lasting for well over century when properly cared for.

Copper metal roofing is expensive, with an average price per square foot of around $10.

Interlock Cost by Roof Type

Typical Price Range To Install a Metal Roof Average: $9,150 - $14,310
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Interlock Roofing offers metal roofs in five different appearances that can each give your home a traditional look.

Slate Roofing

Interlock slate roofing looks like traditional slates but has all the properties of aluminum roofs. Like classic slate roofing, it’s sturdy, durable, and fire-resistant.

However, it has a much wider selection of color options than classic slate roofing, like Deep Charcoal, Musket Grey, Hunter Green, and Tudor Brown.

In addition to the extensive list of colors and designs, Interlock offers slate metal roofing that clicks into place for maximum stability and performance of the roof.

The cost of Interlock’s slate metal roofing depends on various factors. Typically, you can expect the cost of materials to be around $6 per square foot or $10,200 for a roof of 1,700 square feet.

Cedar Roof Shingles

Cedar shingles are a unique roofing option, and Interlock Roofing Systems allow you to get their distinctive look without losing on quality.

Each metal shingle interlocks on all four sides and creates a secure and appealing surface. They’re made from aluminum and come in a much wider selection of colors than traditional cedar shakes.

The cost of this roofing type is around $5 per square foot for materials. For a 1,700-square-foot roof, that price is around $8,500.

Standing Seam Metal Roof Panels

Standing seam roofing might be the most secure roofing system Interlock offers. Each panel has a ridge that locks onto the neighboring one, creating a weather-tight roofing system.

In addition, there’s a ribbed contour for extra security. It’s lightweight and coated with the Alunar Coating System, which gives it an appealing and durable finish.

Shake Roofing

Apart from traditional cedar shingles, Interlock also offers hand-split cedar shakes — but made from metal. While retaining the natural appearance of cedar shakes, these shakes will never split or warp.

They have a heavy grain texture that could fool you into thinking they’re from real cedar.

Each shake interlocks on two sides, creating a secure and durable surface for your roof. On average, you could expect the cost of this roofing type to be around $5.50 per square foot or $9,350 for the total cost of materials.

Mediterranean Metal Roof Shingles

The Mediterranean metal tile roofing gets rid of the bulkiness and heavy weight of the original tile roof while keeping its luxurious look. You can find it in the authentic Tile Red color as well as other gorgeous shades for your roof.

As for the price, you can expect to spend around $6.25 per square foot for materials.

Additional Cost Factors to Install a Metal Roof by Interlock

There are some additional factors that impact the cost of your roof replacement.

Of course, these aren’t necessary for all roofing projects, but it’s good to have them in mind in case you need to include them in your budget.

Some roof pitches can be extremely hard to work on. Typically, a roof will have a pitch between 3:12 and 6:12. Roofs with pitches over 6:12 are considered steep and will require a more complex installation, which will drive up the total cost by at least 30-40%

Adding much-needed roof underlayment can also take an extra penny out of your pocket.

It can cost between $2 and $5 per square foot, depending on the material. However, underlayment in metal roofing systems is worthwhile as it plays a crucial role in reducing noise, decreasing hail and rain impact, and increasing a home’s insulation.

If you’re remodeling your house, you’ll also probably require old roof removal. Naturally, that costs extra. But it’s much better than laying the new roof over the existing one.

Primarily, it allows you to inspect the decking and other roofing elements more closely and repair any potential damage that could cause trouble in the future.

Additional parts of the roof, like hips, valleys, flashings, and coating, are also factors that raise the cost of your roofing project.

Where to Buy Interlock Metal Roofing?

Interlock Roofing Systems can be bought from their distribution centers across the nation. You can get a free quote on their website before you decide to commit or visit the center.

Benefits and Drawbacks of an Interlock Roof

When choosing a roofing system from a company or brand, it’s crucial to examine its strong points and potential drawbacks. That’ll ensure you know what you’re signing up for and make it easier to compare its features with other roofing companies.

Top Benefits

Interlock Metal Roofing has various benefits that make it a desirable roofing option among homeowners. For one, it offers a high level of durability and performance. As with all metal roofing, it’s resistant to fire.

In addition to that, Interlock Metal Roofing products are tested to withstand harsh weather conditions, making it an excellent roofing option for areas with high winds and a lot of rain.

Energy efficiency is another universal metal roofing feature. Due to its insulating properties, it’ll keep your home cool during summers when outside temperatures are high. In contrast, the roof will trap the warm air inside and keep the interior well-heated and cozy.

This doesn’t only increase the comfort of your home throughout the year but also lowers your energy bills. Houses with poor insulation, especially with poor-insulating roofs, unnecessarily lose a lot of energy on heating and cooling.

Metal roofs also allow you to be sustainable and environmentally conscious. They’re perfect for installing solar panels on top of your house. Metal roofs are also recyclable, stopping the landfill cycle.

Affordability is another aspect that makes Interlock Metal Roofing stand out from the crowd. It has various payment plans that make the roofs affordable to every household. Moreover, all plans come with a lifetime limited warranty that can be transferred once.

But perhaps the best part about Interlock Metal is that it offers metal roofs that look like traditional cedar shingles, shakes, ceramic tile, and slate. This enables you to have your desired roofing look without dealing with the downsides of some of these classic roofing materials.

Drawbacks To Consider

When it comes to metal roofing in general, there are several concerns that drive some homeowners away. The main one is the false belief that metal roofs are noisier than other roofs.

As a result, homeowners living in areas with a lot of rain and hail avoid metal roofs despite their high durability against these weather conditions.

Another potential drawback of a metal roof is its susceptibility to temperature fluctuations. Metal roofs expand during hot summers and contract during the colder months of the year. That can loosen up the fasteners holding the roof together and, over time, reduce the performance of the roof. However, this issue is easily resolved if you choose to install metal shingles, instead of panels.

Metal roofing can also be quite expensive if you opt for some premium materials like copper. And since metal roofs are quite heavy and difficult to handle, they also require professional installation, which can significantly raise labor costs.

Pro Tip: Putting cork, felt, foam, or rubber underlayment can help reduce noise and curb the expansion and contraction of metal roofs.

It can significantly decrease the impact of rain, hail, extreme temperature changes, and other elements on your roofing. In addition, underlayment contributes to the insulation of your already energy-efficient roof.

Interlock Roof Reviews

Typical Price Range To Install a Metal Roof Average: $9,150 - $14,310
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Like with every roofing brand, you can find various customer reviews. Some are positive, coming from satisfied clients who would buy the product again, while other customers have only negative things to say and wouldn’t recommend the company due to their unfortunate experience.

When it comes to Interlock Roofing, there are plenty of positive comments about its metal roofing products. Many homeowners have praised their performance and durability. Some have claimed that their roof still looks as good as new even though it was installed 30 years ago.

Positive reviews are also about the smooth and seamless installation process. Many customers are satisfied with the contractors deployed by the company. Multiple reviews have claimed that they’re knowledgeable, pleasant, willing to help and clean up after themselves well.

People also like how the project manager handled their roofing renovation and would recommend the company to everyone looking for durable metal roofing.

Still, as mentioned, there are a couple of negative reviews here and there. Several customers are dissatisfied with the final project result. There are complaints about leakage shortly after the installation, mainly because of poor work done by the contractors.

Some clients are also not satisfied with the warranty and customer service. They claim that the company doesn’t honor their warranties.

There have also been complaints about the company sending contractors for repairs but not actually fixing the problem, which naturally leads to even bigger issues.

Although a company dealing with home renovations ending up in lawsuits comes as no surprise, it’s worth mentioning that Interlock Roofing was temporarily banned from operating in Hawaii in 2007. The CEO was accused of engaging in deceptive practices and, as a result, fined $205,000 by the state.

Still, the lawsuit was settled, and the company found a way to continue doing business on the island.

Does Interlock Metal Roofing Offer A Good Warranty?

Interlock offers a lifetime limited 50-year transferable warranty for their customers in Canada and the United States. The warranty covers Interlock’s aluminum and copper roofing.

As stated by the warranty, the metal should withstand winds of up to 120 mph, but only when installed according to the manufacturer’s instructions. That means leaving the job to professional installers employed by the company might be the best choice, as DIY installation doesn’t guarantee warranty coverage.

Interlock also has a separate warranty for the aluminum product’s Alunar coating. This warranty lasts only 30 years and guarantees that the coating won’t chalk, fade, or change colors according to specific measurements.

However, this applies only to normal weather conditions. An environment that is corrosive, aggressive, or contaminated with chemicals and industrial fumes will be exempt.

The labor and workmanship warranty is separate from the product warranty and should come from the contractors. Products that aren’t manufactured by Interlock might also have a warranty of their own, so take that into account if you’re combining products from Interlock and another brand.

When it comes to warranty transfer, it can only happen once. For the second property owner, the warranty lasts 50 years from the time the original purchase and installation have been paid in full.

The transfer fee is $300.00 and must be paid and sent together with the written notice of sale in the period of 60 days.

Did you know? Warranties, including Interlock Metal Roofing’s warranty, typically don’t cover so-called “Acts of God,” like earthquakes, floods, fires, and lightning. In addition, in the event of a war, the “Acts of War” are also usually featured in the exclusions.

Does Interlock Still Make Interlocking Shingles?

Interlocking shingles are known as the T-shingles due to their distinctive shape representing the letter “T.”

They were a popular shingle type in the 1980s and 1990s, primarily because of high winds and harsh weather conditions that ruled the west-central part of the United States at that time.

The idea was that by interlocking the shingles, the chance of them being blown off by the wind was lower.

That worked for a while. However, as manufacturers kept saving on the material and making the shingles thinner, that reflected on the shingles’ performance and durability. Slowly, they became a less desirable roofing choice among homeowners, and manufacturers stopped producing them.

Their production officially stopped somewhere around 2005. As a result, you won’t see them as often on buildings and houses. If there are houses with interlocking T shingles, they’re probably the last ones with these types of shingles today.

Pro Tip: Although interlocking shingles aren’t manufactured anymore, there might be some remnants of their production. Thus, homeowners looking to replace or repair their T shingles might be lucky and find some to fix their roof.

However, if your interlocking shingles are at the end of their lifetime, it might be better to replace the roof altogether and avoid the trouble of finding the last T shingles available for purchase.

Is An Interlock Metal Roof Right For You?

Metal roofing, in general, is worth it if you live in areas with high winds, ice dams, heavy snow and rain, and wish to protect your home while saving on your energy bills, and staying environmentally conscious.

Moreover, a metal roof is a solid long term investment offering a very high ROI, especially when you compare it to less durable and long lasting options such as as asphalt of cedar shingles.

As one of the metal roofing companies with years of experience, Interlock Roofing Systems is a top quality option you should definitely consider.

However, metal roofing might not be ideal for all households. It can be expensive to install, and unnecessary if you live in a mild climate year round.

With these potential drawbacks in mind, you should be able to decide whether a metal roof by Interlock is the best choice when looking to install a new roof.

Typical Price Range To Install a Metal Roof Average: $9,150 - $14,310
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Author: Leo B
For over 20 years Leo has run a successful roofing business in New England, specializing in metal roofing, as well as cool flat roofing technologies. Having replaced and installed hundreds of roofs in New England, Leo has first hand experience with pretty much every residential roofing material and roofing manufacturer available in the US.
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