Green Roof

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What Is Green Roofing?

Greenery, plants, and flora can transform the appearance of your roof and increase the curb appeal of your property.

A natural green roof steals a march over dull, drab, and run-of-the-mill roofs. If the idea of getting a green roof appeals to you, please contact our roofing pros at ABC Roofing, Vancouver. We’ll update you with the latest green roofing options and provide a free cost estimate.

What Is a Green Roof?

Green roofing is an excellent way to avoid a roof tear-off and enhance your existing roof. It involves the addition of a vegetative layer, drainage system, and a growing medium. This way, you’re able to use your roof area to improve the aesthetics of your property.

Installing a green roof requires specialized expertise to ensure that the water does not leak into the structure. A green roof offers a double advantage: It continues to function as a traditional roof while doubling up as a garden.

Green roofs are ideally built onto flat roofs or roofs with a low pitch. Regardless of the green roof type, they all should have root-repellent and waterproofing systems to avoid damage to the structure. Poor green roof installation can lead to water leakages and sagging.

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Green Roofs: Growing Medium and Modular Sections

Green roofs in Vancouver can be installed as one large, integrated section or smaller, modular sections of segregated plant beds. It’s easier to lift the modular sections when we want to inspect the roof beneath for repairs or maintenance.

If you’re interested in a modular green roof, you can consider growing the plants in a greenhouse and transplanting them straight to the roof.

You can also choose the plants, herbs, and shrubs you want to grow on your green roof. Choices will depend on the depth of the growing medium, weather in your area, and the type of slope.

The growing medium used on green roofs is not the same as the soil used in house gardens and pots. Traditional soil is heavy and packs tightly after rain, and this is why it cannot be used on a green roof. The growing medium should be aerated and have consistent drainage that allows it to hold water.

Green Roof Options

There are two green roof options available in Vancouver: Extensive and Intensive.

Extensive Green Roofs

Extensive green roofs are ideal for large areas and involve the installation of shallow growing mediums. They’re lightweight and low-maintenance and often require no drainage. These types of green roofs require relatively little technical expertise and are more cost-effective than intensive green roofs.

Intensive Green Roofs

Intensive green roofs require specialized installation expertise (we wouldn’t recommend DIY attempts) and require drainage and irrigation systems. You can make your intensive green roof in Vancouver appear very attractive and increase your property’s visual appeal.

However, intensive roofs cause greater weight loading on the roof and involve higher costs than an extensive roof. Our licensed roofing experts at ABC Roofing can help you decide on the most suitable green roof for your home.

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