What Are the Advantages and Disadvantages of Metal Roofs?

There are plenty of materials to choose from when it comes to roofing. One of these choices is metal, which is used more commonly than you may think.

There are many different types of metal roofs available, such as stainless steel, aluminium, lead, zinc, and copper, each with its own unique properties. These even come in different forms, such as shingles, tiles, standing seam roofing, or even rolls.

In this blog, we will be discussing the advantages and disadvantages of metal roofs so that you can decide whether it is the right choice of material for your property.

Advantages of a metal roof

The specific type of metal used for a roof will more accurately determine its roofing properties. However, in general, you can expect metal roofs to provide the following benefits:

Durable

Metal roofs are very durable, able to withstand severe weather, corrosion, and cracking, and don’t need usually need routine maintenance. Aluminium is particularly suited to coastal properties as it has great natural resistance to salt corrosion.

Long-lasting

Metal roofs usually have a long lifespan and most metal roofs will last for at least 40 years. Copper and lead can last for over 100 years on a roof before they need replacing, and even then are endlessly recyclable, as they can be melted and reformed to be as good as new.

Fire-resistant

Metal is naturally fire-resistant, which provides added safety to the home in case of a fire. However, the roof structure will also need to be made from fire-resistant materials to be effective.

Insect-resistant

Some other roofing materials may be susceptible to insect infestation which is unpleasant and can cause damage to the roof. Metal roofs are resistant to such invasions.

Energy-efficient

As metal roofs are such good insulators, they are also very energy-efficient. They also reflect heat in the summer which keeps your home cool.

Environmentally friendly

Metal roofs are made from natural materials which means they are more environmentally friendly than synthetic materials and other roofing materials that have a larger carbon footprint. Most metal roofs nowadays are at least partially made from recycled materials, and metal roofs are also recyclable once they have completed their roofing lifecycle.

Lightweight

Many metal roof options, particularly sheets, are lightweight compared to some other materials, such as tiles, which puts less stress on your roof support structures.

Disadvantages

There aren’t many disadvantages of installing a metal roof, but there are a couple of things to consider before you commit to investing in one:

It can be expensive

The biggest disadvantage of a metal roof is that it comes at a higher initial cost compared to many other roofing materials. Copper and aluminium are quite expensive, although some steel roofing can provide a cheaper option.

It can dent

Some types of metal roofs do have the disadvantage that they can dent if struck with enough force, such as from very large hailstones or a falling tree branch.

Poor installation can cause issues

Installation of a metal roof requires a significant amount of expertise and not all roofers are trained in metal roof installation. If a metal roof is installed incorrectly or carelessly, it can cause problems such as condensation or leaking.

On the whole, the advantages of metal roofs outweigh the disadvantages, but this does depend on your budget. It’s also important to remember that poor installation can negate most of the benefits. This is why, if you do decide a metal roof is right for your home, you should always enlist the help of a professional roofer for your installation.

If you need help with your roof installation, please get in touch with us and we’ll be happy to hear from you.


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