Green Roof Weight

Large trees up to 15 m.

Green roof weight.

Green roof system weights columbia green technologies 79 se taylor st. Because green roofs require professional design careful structural analysis and multiple layers and systems even extensive green roofs usually start at 8 per square foot significantly more expensive than the 1 25 per square foot for built up roofs burs source. Shrubs up to 3 m. The initial expense of green rooftops often turns away prospective clients.

It is a good growing medium and ensures good water absorption and tenacity. As such they don t require such deep soils or growing media. 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. Perennials and low shrubs up to 1 5 m.

Substrate roll is a lightweight green roof substrate manufactured from long mineral wool fibres. 3 drainage including filterfleece 11 20 mm. Small trees up to 6 m. 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.

This is because we use specially engineered blankets for water management and the plant species used in the matting are very shallow rooted. In the wake of the disaster numerous other green roofs around the territory were removed. 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. 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.

If you re looking for a lighter option to green roof enviromat green roof is lighter in weight than a wildflower roof. Green roof vegetation type. 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 system structure.

Weight loading kg m 2 low herbaceous succulents and grasses 10 2. When preparing a green roof calculations must always be based on the water saturated weight of the total structure. Medium trees up to 10 m. What contributes to green roof weight.