Semi-intense green roofs have deeper soil and accommodate extra varied flowers than an extensive roof, However they aren’t ready to assist rather as much excess weight being an intense roof. Semi-intensive green roofs can host smaller sized plants for example grasses, mosses, and flowers, as well as shrubs. - https://johnathanqzhot.link4blogs.com/44322138/how-green-roofing-options-for-eco-friendly-homes-can-save-you-time-stress-and-money