An extensive green roof system is characterized of its vegetation, ranging from sedums to small grasses, herbs and flowering herbaceous plants, which need little maintenance and no permanent irrigation system. The growing medium depth for an extensive green roof system is typically 6 inches or less. These systems are ideal for efficient storm water management with low maintenance needs. Extensive green roofs are very cost efficient.
For more information if a green roof is right for your business , call the experienced staff at ASAP Roofing and exteriors.