The Growing Trend of Green Roofs

Living roofs or green roofs are increasingly being implemented in commercial smart buildings, a market which is forecast to grow from $36.42bn in 2020 to $59.30bn in 2025, according to new research.

Green solutions in roofs, windows and even concrete are identified as major trends in the Business Research Company’s smart buildings market research report.

Smart buildings market size

The global smart buildings market size reached a value of nearly $36.42bn in 2020, having increased at a compound annual growth rate (CAGR) of 0.5 per cent since 2015. From 2025, the market is then expected to grow at a CAGR of 8 per cent from 2025 to reach $87.25bn in 2030.

A green roof is a roof of a building that is covered with vegetation and soil, or a growing medium, planted over a waterproofing membrane. They have a number of reported benefits: green roofs last longer when compared to conventional roofs; help to reduce energy costs with natural insulation; lower the temperature (heat and cold) by absorbing and trapping them; and reduce storm water run-off, filter pollutants and carbon dioxide out of the air and help to increase wildlife habitat in built-up areas.

In some US cities, including San Francisco, it is mandatory to incorporate 15-30 per cent of the roof space to incorporate solar, green roofs, or a blend of both.

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