What Are the Problems with Metal Roofs?
Having a metal roof is the perfect choice for many homeowners due to its durability, energy efficiency, and longevity. Yet, as with any roofing system, there are some potential problems associated with metal roofs.
Common issues with metal roofs include oil canning, leaking, scuffing & scratching, corrosion, dissimilar metals & materials, chalking & fading. These issues can lead to wear and tear on your roof and may require repair or maintenance in the future.
In order to prevent these types of issues from occurring or getting worse over time it is important to have your metal roof inspected at least once a year by a professional. Regular maintenance can help ensure that your metal roof stays in great condition.
6 Common Problems with Metal Roofs
Here, we have listed the 6 common issues that occurs from time to time when you are dealing with metal roofs:
1. Oil Canning
Oil canning is a common issue in metal roofs and walls, caused by the material being overstressed and unable to hold a flat form. This can lead to weakened structures, and safety issues if left unchecked. To reduce this problem, thicker metal with rib roller profiles, as well as low-gloss or matte finishes can be used. Alternatively, tension-leveled (or stretched) metal has been known to mitigate the issue.
2. Leaking
Leaking is another common problem that occurs when the installation of the metal roof isn’t done properly. Fasteners, seams, flashings, sealants or butyl tape may not be fitted correctly, resulting in water leaking into the structure. To avoid this issue altogether, it’s important to use a reputable contractor with quality workmanship.
3. Scuffing & Scratching
Scuffing and scratching can arise when the metal isn’t handled properly during coiling or transportation of the material. If taken care of quickly enough, most scratches can be fixed using paint touch-up pens; however deeper gouges may require replacement of panels.
4. Corrosion
Metal roofs are designed to last for decades without corroding; however they still may do so due to certain environmental factors such as being close to saltwater or having exposed cut edges on steel roofs. It’s important to make sure all undersides are coated properly before installtion.
5. Dissimilar Metals & Materials
Using different metals together in a construction could result in early degradation due to galvanic reactions between them. To prevent this from happening it’s important that all materials are compatible before installation.
6. Chalking & Fading
Chalking and fading happens over time due to UV exposure which breaks down the resin and pigment from paint applied onto metal roofs. This leads to a white residue developing on the surface which needs regular cleaning off.
What are some common misconceptions about metal roofs and what are the real facts behind them?
Myth #1: Metal roofs are loud during rain and hailstorms
Many people believe that metal roofs are noisy during rain and hailstorms. However, this is not entirely true. A properly installed metal roof on a well-insulated attic will not create a lot of noise during a rainstorm. It’s inaudible, in fact. On the other hand, a poorly installed metal roof and limited attic insulation could be noisy. Additionally, metal roofs have excellent impact resistance and won’t be damaged by hailstones, as opposed to other roofing materials
Myth #2: Metal roofs attract more lightning
Many people also believe that metal roofs attract more lightning than other roofing materials. This is not true. Metal roofs are not more susceptible to lightning strikes than other surfaces. In fact, since metal is a great conductor of electricity, it’s safer for a metal roof to be struck by lightning than a regular shingle roof. When properly installed, it also helps to offer a grounded lightning protection system that directs the lightning safely to the ground without causing any harm.
Myth #3: Metal roofs are only suitable for commercial buildings
Some people believe that metal roofs are only suitable for commercial buildings because they’re not attractive enough for homes. However, this is not true. Metal roofs come in a variety of designs and colors, which can complement any type of home. Moreover, metal roofing provides longevity that few other roofing materials can match. Therefore metal roofing can be perfect for not only commercial buildings but also for residential properties that require durability and appeal.
Myth #4: Metal roofs are prone to rusting and corrosion
Many people believe that metal roofs are prone to rust and corrosion. However, this is not the case as long as you purchase high-quality metal roofing systems. Modern metal roofs are treated with advanced protective coatings that prevent rust and corrosion from developing. This protection also helps with color-fade prevention, which will keep your roof looking great for many years.
Myth #5: Metal roofs are expensive
Many people believe metal roofing is costly, and they are not affordable for them. However, the decision of installing a metal roof always has an excellent return on investment. A metal roof’s durability and longevity are far better than other roofing options.
The initial cost might be higher than traditional roofing materials in some cases, but that’s not always the case. Maintenance costs with a metal roof are much lower than other materials such as asphalt shingles, which in turn lowers the total cost of ownership. Furthermore, some insurance companies offer discounts on premiums for homes with a metal roof, which adds up to the cost savings of installing a metal roof.
Are there any potential drawbacks or concerns to consider when installing a metal roof, and how can these be minimized or addressed?
Engaging a reliable roofing contractor
One of the potential drawbacks of installing a metal roof is that the initial cost can be higher than that of traditional roofing materials. Also, not all roofing contractors have the expertise to install metal roofing correctly. Therefore, it is crucial to engage experienced roofing contractors who specialize in metal roofing to minimize mistakes, as a poorly installed roof can result in leaks and other structural problems.
Ensuring proper insulation
Metal roofs are incredibly durable, and they can last for several decades. However, they can be noisy when there is heavy rainfall, hail or strong winds. This noise can be minimized by ensuring proper installation of insulation in the attic or between the roofing panels. Insulation can also help to reduce energy consumption by preventing heat loss during winter and heat gain in the summer. It is essential to work with your contractor to determine the best insulation options for your building.
Warranty and maintenance
Another concern to consider when installing a metal roof is the warranty and maintenance. Creating a routine maintenance plan with your roofing contractor can help minimize any issues that may arise. Most reputable roofing contractors offer a warranty for their work, which usually covers installation defects and damage caused by weather elements. Therefore, before hiring a roofing contractor, ensure that they offer a reasonable warranty policy for the work they do.
Environmental concerns
While metal roofing is an excellent option due to its durability and energy-saving capabilities, certain aspects of metal roofing production can impact the environment. For instance, the manufacturing of metal roofing materials typically involves several stages that require energy, water, and other resources, which can generate a massive amount of pollution.
However, some manufacturers now use recycled materials to reduce their impact on the environment. It is crucial to work with a certified contractor who sources their materials from environmentally conscious manufacturers, thereby reducing the carbon footprint of your project.
What Are the Two Biggest Concerns to a Metal Roof?
Metal roofs are known to be durable and long-lasting, but there are still a few concerns to keep in mind. One of the biggest concerns is incorrect installation. If the metal roof is not installed properly, it can lead to leaks and other moisture-related problems.
It is essential to find an experienced and reputable contractor who knows how to install metal roofs correctly to avoid such issues.
Another concern for metal roofs is related to moisture buildup. Unlike shingles, metal roofs shed snow and ice, which means that moisture doesn’t accumulate on them. However, if there is an issue with the ventilation system, moisture can get trapped, causing water damage and other problems.
Regular maintenance and inspection can help prevent this from happening, ensuring that your metal roof remains in top condition for years to come.
Do Metal Roofs Leak More Than Shingles?
It’s a common misconception that metal roofs leak more than shingles. However, this isn’t necessarily true. In fact, metal roofing materials are designed to offer superior protection against leaks and other forms of weather damage.
This means that if you’re looking for a roofing option that will stand the test of time, a metal roof might be a better choice for you.
Of course, metal roofing costs more than shingles initially, but the long-term benefits may make up for that initial investment. Metal roofs are durable, require less maintenance, and can last up to 50 years or more with proper care. So while the initial cost may seem steep, you’ll likely save money in the long run since your roof will require fewer repairs and replacements.
When it comes to leaks, metal roofs are a reliable option that can offer peace of mind for homeowners.
Why Don’t We Use Metal Roofs?
Well, there are a few reasons why metal roofs aren’t as popular as other roofing materials like asphalt shingles. For one, they can be a bit more expensive upfront. But that cost is offset by the fact that they last a lot longer than shingles, so you end up saving money in the long run.
Plus, metal roofs are more environmentally friendly than shingles, since they’re often made from recycled materials and can be recycled again when they eventually need to be replaced.
Another reason why metal roofs aren’t used as much is because some people aren’t as familiar with them. They might think that they’ll make their house look strange, or that they won’t be as durable as shingles. But metal roofs can be made to look like other materials, and they’re actually more durable than shingles.
Plus, as we mentioned earlier, they can even increase the resale value of a home. So all in all, there are plenty of good reasons to consider a metal roof for your home.
Can Rust Cause Problems with Metal Roofs?
Rust is a common issue for metal roofs, potentially causing several problems. repairing a rusty metal roof is crucial to maintain its integrity and longevity. Rust weakens the structure, causing leaks, deterioration, and reduced effectiveness in protecting against the elements. Regular inspections and prompt repair of any rust spots are essential to prevent further damage and ensure the roof’s durability.
Does a Metal Roof Devalue a House?
Metal roofs may not be everyone’s cup of tea, but they definitely do not devalue a house. In fact, metal roofs can provide numerous benefits apart from adding curb appeal to the house. They are energy-efficient, durable, and easy to maintain, which can be a significant selling point for potential homebuyers.
While it is true that metal roofs may not suit the aesthetic taste of some people, they do not have any negative impact on the value of a house. In fact, metal roofing has gained popularity over the years due to its numerous benefits, especially in regions with extreme weather conditions. So, if you are considering getting a metal roof for your house, go for it without worrying about any potential devaluation of your property.
What Are the Disadvantages of a Metal Roof?
While metal roofs have their advantages, they also come with some drawbacks. One of the main disadvantages is the cost. Metal roofs are typically more expensive than traditional asphalt shingles.
They also require professional installation, which adds to the overall cost. Additionally, if repairs are needed, they can be costly due to the specialized tools and materials required.
Another disadvantage is the potential for noise.
While some people love the sound of rain on a metal roof, others find it to be loud and disruptive. The noise level can also be affected by the pitch of the roof and the location of the home. In areas with strong winds, metal roofs may also create additional noise.
Finally, some homeowners may not like the appearance of a metal roof, which can be viewed as too modern or industrial for certain architectural styles.
Does Metal Roof Decrease Value?
Metal roofs can be quite an expensive investment for homeowners. The cost of installation can range from $3 to $14 per square foot, depending on the type of metal roofing material you choose. However, it’s important to note that a metal roof doesn’t necessarily decrease the value of your home.
In fact, it can increase the value in some cases.
One advantage of metal roofs is their durability and longevity. Metal roofs can last up to 50 years or more, while asphalt shingle roofs only last up to 20 years. This longevity can translate into higher home value for some buyers.
Additionally, metal roofs are energy-efficient, which can save homeowners money on their energy bills over time. Ultimately, the value of your home will depend on various factors, including the location, design, and quality of the roofing material used.
Why Are Metal Roofs Not Popular?
Metal roofs are not as popular as other roofing materials like shingles and tiles because of their reputation for being noisy. People often associate metal roofs with the sound of raindrops hitting a tin can or a metal bucket, which can be quite loud and distracting. However, this is not always the case as advances in metal roofing technology have led to the development of sound-absorbing panels that significantly reduce noise levels.
Another reason metal roofs are not very popular is because they can be more expensive than other roofing materials.
The cost of installation and maintenance for metal roofs can be higher than shingles or tiles, which can make it less appealing for budget-conscious homeowners. However, it is worth noting that metal roofs have a longer lifespan and are more durable, which means they may be a more cost-effective option in the long run.
What Are the Disadvantages of Putting Metal Roof Over Shingles?
Putting a metal roof over shingles may seem like a convenient option, but it actually has several drawbacks. First of all, it can add weight to your roof and may cause damage to the underlying structure over time. This is because the shingles underneath may not be strong enough to support the heavier metal roof.
Also, adding a metal roof over shingles may hide and trap moisture between the two layers.
This can lead to rot, mold, and other damage which may not be visible until it’s too late. Furthermore, metal roofs tend to expand and contract with temperature changes, causing them to rub against the shingles underneath and potentially causing more damage. In short, while it may be tempting to save money and time by installing a metal roof over shingles, it may not be the best long-term solution for your home.
Is It a Good Idea to Apply Sealants to Tin Roofs for Fixing Leaks?
Using sealants to fix leaks on tin roofs is an excellent and cost-effective choice. Sealants are an effective way to fix minor leaks without needing to replace the entire roof. excellent sealants for tin roofing can be purchased at most home improvement stores and applied easily. Sealants are easy to apply, and they are a great way to quickly fix small leaks. With a few simple steps, you can apply a sealant to the affected area and stop the leak. Sealants are also an excellent choice for keeping out moisture and preventing future leaks. They provide a long-lasting solution to your roofing issue and can help save you money in the long run.
Is It OK to Put a Metal Roof Over Existing Shingles?
Yes, it’s absolutely fine to install a metal roof over an existing shingle roof. This is a great option for homeowners who are looking for an affordable way to upgrade their roofs without the hassle and expense of completely tearing off the old roof. Plus, metal roofs are highly durable and energy-efficient, so they can provide long-lasting protection for your home.
By installing a metal roof over your old shingle roof, you’ll be saving time and money on the installation process.
The installation is generally much faster than removing the old roof and installing a new one from scratch. Additionally, the added layer of metal shingles can provide extra insulation and ventilation for your home, leading to lower utility bills and improved indoor comfort. Overall, installing a metal roof over existing shingles is a smart and affordable option for homeowners who want a high-quality roof that will last for years to come.
Are the Benefits of Metal Roofs Worth the Potential Problems?
The pros and cons of metal roofs are important to consider before making a decision. While metal roofs are durable and long-lasting, they can be more expensive than traditional roofing materials. They also require professional installation and can be noisy during rainstorms. Ultimately, the decision to install a metal roof should be based on the homeowner’s priorities and budget.
Frequently Asked Questions
Which Is Better a Metal Roof Over Shingles?
Metal roofs are definitely better than shingle roofs. They are much more durable and can last for decades, compared to shingles which have a lifespan of only 20-30 years. Plus, metal roofs are better at standing up to harsh weather conditions and can withstand hail, falling objects and extreme winds.
Another great thing about metal roofs is that they come with longer warranties than shingle roofs.
With a warranty that lasts between 30-40 years, you can be sure that you won’t have to worry about any repairs or replacements for a long time. So, if you’re looking for a roof that will provide you with long-lasting protection and peace of mind, a metal roof is definitely the way to go.
Is It Better to Remove Shingles Before Installing Metal Roof?
Installing a metal roof over existing shingles is possible, but it’s not always the best choice. Although it might be cheaper and less of a hassle, leaving the shingles in place could have some drawbacks. For instance, trapped water vapor could lead to moisture buildup, which could eventually cause problems.
This is why taking the time to remove the shingles before installing the metal roof is generally the preferred route.
It might be messy and more expensive, but it ensures a better installation without the risk of moisture buildup. Ultimately, it’s up to your local building codes and what the professionals you hire recommend. But if you want a metal roof that lasts, it’s worth considering the extra cost and effort of shingle removal.
What Are the Pros and Cons of Putting Metal Roof Over Shingles?
Putting a metal roof over shingles has its own set of pros and cons. The main advantage of doing so is that it saves you time and money since you won’t have to remove the old shingles before installing the metal roofing system. Furthermore, the metal roof will help to keep your home cooler in the summer months as it reflects the sun’s rays.
Additionally, a metal roof has a longer lifespan and is more durable, which means it will last for a longer time and is less likely to need repairs or replacements.
The downside to putting a metal roof over shingles is that it adds extra weight to your roof. This could lead to structural issues with your home if the roof is not able to handle the additional weight. Additionally, if your roof is already damaged or leaking, the metal roof may not be able to protect your home as well as if you had removed the old roof first.
Moreover, if you decide to sell your property after the metal roof installation, it may decrease the curb appeal to potential buyers due to the presence of multiple layers of roofing materials on the roof.
Is It Better to Put Metal Roof Over Shingles?
Metal roofing is a great alternative to shingles, especially if you want to save some money on labor costs. By putting a metal roof over shingles, you’re avoiding the time and expense of ripping them off. Plus, you’re doing your part to keep more waste out of our already overflowing landfills.
Additionally, adding metal roofing over shingles provides an extra layer of insulation for your home. This extra layer can help keep your home more comfortable and your energy bills lower. So not only are you saving money upfront, but you’re also potentially saving in the long run.
Overall, it’s a smart decision to put a metal roof over shingles.
What Are the Disadvantages of Metal Roofing?
Metal roofing, just like any other roofing material, has its own set of disadvantages. One of these is the noise it creates during heavy rainfall or hailstorms. The sound of raindrops hitting the metal surface can be quite loud and distracting, especially if you have thin insulation.
It’s also important to remember that metal roofing tends to expand and contract with temperatures, leading to slight movements that cause noises too.
Another disadvantage of metal roofing is its potential to rust over time. This is especially true for cheaper metals that are not treated properly.
Rust can not only be an eyesore but also weaken the metal panels, resulting in possible leaks. However, this can be prevented by choosing high-quality metals like aluminum or steel, which are resistant to rusting. In addition, periodic maintenance and inspection can help identify rust spots early on and treat them before they worsen.
Learn more about metal roofs:
Conclusion
Overall, metal roofs have their pros and cons. While they are durable and energy-efficient, they can also be noisy and prone to denting. Additionally, there are concerns about the devaluation of a home and potential leaks.
However, with proper installation and maintenance, a metal roof can provide many benefits for homeowners. It’s important to consider all factors before making a decision, and to consult with a professional to ensure that a metal roof is the right choice for your home.
