£1,475.00£1,229.17 – £1,899.00£1,582.50Price range: £1,475.00£1,229.17 through £1,899.00£1,582.50 incl. VATexcl. VAT
A complete green roof kit for garages and small flat roofs.
The Sedum Roof Kit for Flat Roofs provides a simple, reliable way to install an extensive green roof on garages and other small flat roof structures. Built using proven Knauf Urbanscape components, the system is designed to support effective rainwater management, healthy plant establishment and long term roof performance when installed on a suitable structure.
Sedum green roofs help manage rainfall at source by retaining and slowing runoff, while also improving the appearance of flat roofs and supporting biodiversity. The Sedum Roof Kit for Flat Roofs combines drainage, water retention, growing media and vegetation layers into a coherent system designed specifically for smaller roof areas.
The pre grown sedum blanket provides instant coverage using plant species well suited to extensive green roofs. Sedum is resilient, low maintenance and tolerant of dry conditions once established, making it an ideal choice for domestic flat roofs.
This kit is well suited to garages, bin stores, cycle shelters and similar structures where a lightweight green roof solution is required. Structural suitability and waterproofing should always be confirmed before installation.
Images are rendered for illustrative purposes only. Final appearance may vary.
Each Sedum Roof Kit for Flat Roofs includes the following system components:
A pre grown sedum mix blanket forms the visible green roof surface, providing instant green coverage with no additional planting required.
A lightweight growing medium supports root development and contributes to water retention across the roof without adding unnecessary load.
A profiled drainage layer manages excess water while retaining moisture for plant use, helping to reduce runoff during rainfall and support healthy growth.
A geotextile layer protects the waterproofing beneath and prevents fine particles from blocking the drainage layer, supporting long term system performance.
Supporting items such as sedum conditioner and compatible system components are included as part of the complete kit.
The Lightweight Green Roof Kit is suitable for a range of small‑scale green roof projects, including:
The system is ideal where improving rainwater management, visual appearance and biodiversity are key project drivers.
When fully saturated, the Sedum Roof Kit for Flat Roofs has an approximate saturated weight of up to 49 kg per square metre. You should always confirm that the roof structure can safely support this load, along with any additional loads such as snow, maintenance access and edge details.
Yes. The kit includes a pre grown sedum blanket, so no additional plants are required.
The system has an approximate saturated weight of up to 49 kg per square metre. Structural suitability and waterproofing should always be confirmed before installation.
Many customers install sedum roof kits themselves on small, accessible flat roofs. Professional installation is recommended where access, height or structural complexity is a concern.




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