Green Roof Weight

Intensive green roofs are essentially roof gardens and may also need to allow for the additional weight of paving and terracing furniture and even trees.

Green roof weight.

The two key elements that contribute to weight are the density of the different layers that make up the green roof and how heavy it becomes as a result of rain absorption. What contributes to green roof weight. Roofs with vegetation blankets consisting of herbs grasses wild flowers or host and nectar plants require a thicker substrate layer than a vegetation blanket consisting of only sedum plants. Green roof vegetation type.

When preparing a green roof calculations must always be based on the water saturated weight of the total structure. Weight loading kg m 2 low herbaceous succulents and grasses 10 2. This is because we use specially engineered blankets for water management and the plant species used in the matting are very shallow rooted. Substrate roll is a lightweight green roof substrate manufactured from long mineral wool fibres.

Green roof system structure. As such they don t require such deep soils or growing media. An interesting example of an intensive green roof is manaton the award winning private house on dartmoor that uses local meadow grass to blend the family home into the landscape. The thickness of the drainage layer will depend on the roof structure and the water storage capacity required depending on the.

Shrubs up to 3 m. Medium trees up to 10 m. In the wake of the disaster numerous other green roofs around the territory were removed. Green roofs require significantly more maintenance and maintenance energy compared to a standard roof.

Perennials and low shrubs up to 1 5 m. If you re looking for a lighter option to green roof enviromat green roof is lighter in weight than a wildflower roof. For example a traditional intensive green roof system for plants and grass featuring at least six layers including soil filter fleece drainage layer and vegetation is. The initial expense of green rooftops often turns away prospective clients.

The weight of a green roof caused the collapse of a large sports hall roof in hong kong in 2016. Large trees up to 15 m. Small trees up to 6 m. Green roof system weights columbia green technologies 79 se taylor st.