A guest post from Cosy Garden Rooms on one of the most popular features of garden offices and garden rooms.
A green roof is a living roof, that is partially or completely covered with plants and vegetation. There are many different types of plant that can be used including meadow flowers, sedum, moss and herbs. Turf roofs are also an option but are not often used because they are heavy and need a lot of maintenance otherwise they become messy.
All green roofs are made up of multiple layers, including a waterproofing membrane, growing medium, and plants. At Cosy Garden Rooms, we use sedum roofs in our garden room designs. A green roof is a generic term for any living roof, while a sedum roof specifically features low-growing succulents, a type of plant species. We use sedum-based living roofs because they are low-maintenance, durable, and can provide year-round visual interest.
Benefits of green and sedum roofs include
- Thermal and acoustic insulation
- Supports a wonderful ecosystem for birds and insects
- Offers a softer, more natural look compared to traditional roofing materials, especially when viewed from higher levels
- Green roofs, including sedum roofs, act as natural sponges by absorbing and retaining rainwater, reducing runoff, preventing flooding, filtering pollutants, and easing the strain on drainage systems around garden rooms
When installing a green or sedum roof, one of the most important considerations is the structural strength of the garden room. Green roofs are heavier than standard roofing materials, especially when wet, as they hold both plants and substrate.
While green roofs in general may require some maintenance, sedum roofs are particularly low-maintenance, making them a popular choice. Sedum plants are drought-tolerant, needing little to no watering once established, and they don’t require frequent feeding. A light application of fertilizer once a year is typically sufficient to keep the plants healthy. Additionally, sedum roofs don’t need mowing, making them an easy-care option for homeowners. Occasional weeding or trimming might be necessary, but overall, they are a practical, fuss-free choice for anyone looking to incorporate a living roof into their garden room.
A green roof is an additional cost. Your garden room will function perfectly well without one. However, people like them, and they are becoming popular. As a basic guide price, they cost £50 per square meter plus trims and fitting if the roof is strong enough for the additional weight.
Pictured below is a green roof delivery.
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