When it comes time to replace your roof, you have a lot of options to consider. The typical go-to choice is asphalt shingles because they’re inexpensive, easy to install, and can last 15-20 years when properly maintained. The major downside to asphalt shingles is that they don’t last as long as other roofing materials and when they’re replaced, they often end up in landfills. Generally, the shorter a roofing product’s service life, the less environment friendly it is because it needs to be replaced more often. If reducing your carbon footprint is what you’re after and you have a little more money to invest on your new roof, then you may consider one of these four alternative roofing options.
A major advantage to metal roofing is that it is a lot more durable than other roofing materials. A metal roof can last 3-4 times longer than a traditional asphalt shingle roof. That means a lot less waste. When a metal roof is replaced, it’s 100% recyclable so it doesn’t end up in a landfill. Keep in mind, that the manufacturing process for metal roofing materials is not exactly environment friendly.
Wood shakes have long been a popular option for homeowners wanting their home to have a natural, rustic look. Because trees are a renewable source and are completely biodegradable, they’re an environment-friendly option. The downside to wood shakes is that they are flammable and can attract pests and tend to require more in the way of maintenance. Some communities restrict their use because they are flammable.
Slate is perhaps the most expensive roofing material. But many consider the extra cost worth it. Slate shingles can last decades and typically outlive the average human. Slate is a great option especially if you plan on living in your current home for many years. It’s probably the last time you’ll have a new roof installed. Slate is 100% recyclable and isn’t a heavily processed material like other roofing materials.
Living roof system
If environment-friendly is your ultimate aim, then a living roof system is your best bet. A living roof system contains a layer of soil in which plant life can grow. Because soil is a great insulator, a green roof lowers your energy consumption year round. Because it’s made of materials that occur naturally in nature, it’s the ultimate green roofing option.
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Source: architecturaldigest .com/blogs/daily/2015/08/green-roof-renovating-ideas