What Homeowners Need to Know About Metal Roofing

Local Roofing Pros

As a homeowner, choosing the right roofing material is a crucial decision that impacts not only the aesthetic appeal of your home but also its durability and energy efficiency. Metal roofing has gained popularity over the years due to its numerous benefits. However, like any other material, it also has its drawbacks. This article explores the key aspects of metal roofing that homeowners should consider before making a decision.

Advantages of Metal Roofing

Durability and Longevity

Metal roofs are renowned for their durability. They can withstand harsh weather conditions, including heavy snow, strong winds, and even hail. Unlike asphalt shingles, which may need replacement every 15-20 years, metal roofs can last 40-70 years, making them a long-term investment.

Energy Efficiency

One of the standout features of metal roofing is its energy efficiency. Metal roofs reflect solar radiant heat, reducing cooling costs by 10-25%. This reflective property makes metal roofing an excellent choice for homeowners looking to lower their energy bills, especially in warmer climates.

Environmentally Friendly

Metal roofing is often made from recycled materials and is 100% recyclable at the end of its life. This makes it an environmentally friendly option compared to traditional roofing materials like asphalt shingles, which contribute to landfill waste.

Fire Resistance

Metal roofs are non-combustible and have a Class A fire rating, the highest possible. This fire resistance can provide peace of mind to homeowners, especially in areas prone to wildfires.

Low Maintenance

Unlike other roofing materials that may require frequent maintenance, metal roofs are relatively low maintenance. They are resistant to issues like rot, insect infestation, and mildew.

Disadvantages of Metal Roofing

Initial Cost

The upfront cost of metal roofing can be significantly higher than other materials. However, this initial investment is often offset by the roof's longevity and the savings on energy and maintenance costs over time.

Noise

During heavy rain or hailstorms, metal roofs can be noisier than other types of roofing. While some homeowners appreciate the sound, others may find it disruptive. Adding insulation can help mitigate this issue.

Expansion and Contraction

Metal roofs expand and contract with temperature changes. If not properly installed, this can lead to issues such as loose fasteners or a wavy appearance over time. It's crucial to hire experienced professionals for installation to avoid these problems.

Color Matching

Over time, the color of metal roofs can fade due to exposure to the elements. If repairs are needed, it might be challenging to match the new material with the existing color, which can affect the roof's overall appearance.

Types of Metal Roofing

Homeowners have several options when it comes to metal roofing materials:

Steel: Often galvanized or coated with a zinc layer to prevent rust, steel is a popular choice due to its strength and affordability.
Aluminum: Lightweight and corrosion-resistant, aluminum is ideal for coastal areas.
Copper: Known for its aesthetic appeal and longevity, copper develops a patina over time, which can be a desirable feature for some homeowners.
Zinc: Like copper, zinc develops a patina that protects it from corrosion. It's also highly durable and environmentally friendly.

Installation Considerations

Proper installation is critical for maximizing the benefits of metal roofing. Here are some key considerations:

Professional Installation: Due to the complexities involved, professionals with referenceable experience in handling this material should install metal roofing performance.
Underlayment: A high-quality underlayment is essential for moisture protection and noise reduction. It acts as a barrier between the metal and the roof deck.
Ventilation: Adequate ventilation prevents moisture buildup and ensures energy efficiency. Proper ventilation can also help extend the life of the roof.
Noise: 24 Gauge metal with attic space and proper insulation - customers say they don't notice any difference in noise
R-panel or exposed fasteners systems vs concealed fastener systems: If you can see the screws it’s not good. Those will all leak eventually.
Oil Canning or "Stress Wrinkles": previously mentioned - expansion and contraction of the roof can cause this over time. There are ways to mitigate that, though such as striated
panels or baker rods on the underside of the panels.
Paint: Kynar Or Kynar 500 is a PVDF resin and the best paint on the market by far. It has a
35-year fade warranty. Kynar side-by-side next to an SMP paint over 10 years: the fade
difference is very dramatic. Kynar is very expensive though!

Sheet Metal Roofs vs. Metal Shingles

Roofing Professionals are increasingly using metal shingle brands such as DECRA, Edco, Kasslewood and Milan, in addition to sheet metal solutions from Atlas, Englert, McElroy, Sheffield and others.

Some of the reasons for this include:

Metal shingles can hide tiny hail marks much better
Wouldn’t be susceptible to oil canning and are even more energy efficient due to the higher profile not being directly adjacent to the roof decking, allowing for air to pass through the deck and underside of the shingle.
Metal shingles are also easier to get approved in stricter or traditional HOAs than standing seam/sheet metal roofs.

Here are some additional comparisons of both roofing systems:

ASPECT	Standing Seam/Sheet Metal	Meta Shingles
Appearance	Modern, sleek look with wide, vertical panels	Traditional look, mimicking asphalt shingles
Durability	Long-lasting, often exceeding 50 years	Also durable, lasting significantly longer than traditional shingles.Can hide tiny hail indentations better than sheet metal roofs.
Cost	$8 to $30 per square foot, generally more expensive	$6 to $22 per square foot, slightly more affordable
Installation	Requires specialized installation, more challenging	Easier to install, less specialized labor required
Adaptability	Suitable for various roof types, including low slopes	Less adaptable, best for traditional roof styles
Maintenance	Low maintenance, but watch for expansion and contraction	Low maintenance, but interlocking panels may require occasional attention
Noise	Can be noisy during rain or hail, but insulation and heavier gauge metal can reduce noise	Generally quieter than standing seam roofs

Both standing seam metal roofs and metal shingles offer long-term benefits such as durability, energy efficiency, and low maintenance. Your choice between the two will depend on factors like budget, desired aesthetic, and specific roof requirements. A standing seam roof might be the best choice if you prefer a modern look and have a flexible budget. Conversely, metal shingles could be more suitable if you want a traditional appearance and easier installation.

⁠Conclusion

Metal roofing offers a range of benefits that make it an attractive option for homeowners. Its durability, energy efficiency, and environmental benefits can outweigh the higher initial costs. However, it's important to consider the potential drawbacks, such as noise and expansion issues, and to ensure proper installation by qualified professionals. By understanding these factors, homeowners can make an informed decision that best suits their needs and contributes to the long-term value of their home.