Are sedum roofs expensive?
At the time of writing, (January 2017) the materials for a sedum roof buildup cost around £35-£40 per square metre. Plus a bit extra for delivery. Labour is probably around £200 per person per day – depending on who you hire.
How long do sedum roofs last?
How long do Green Roofs Last? Green roofs have a life expectancy of around 40 to 50 years, giving them a lifespan that outperforms a number of alternative roofing options considerably.
Are sedum roofs good?
The sedum plants on green roofs can capture airborne pollutants and capture CO2. The temperature moderating effects of green roofs can reduce demand on power plants, and potentially decrease the amount of CO2 and other polluting by-products being released into the air.
How much maintenance does a sedum roof need?
Annual maintenance Sedum roof Inspect the Sedum roof at least twice a year for weeds and seeds (carried by the wind) and remove this unwanted vegetation manually. Do this preferably in spring and autumn. To encourage biodiversity, we do not recommend the use of chemical pesticides.
Can you walk on a sedum roof?
Yes, you can occasionally walk on a Sedum roof. For instance, when you fertilize the roof once a year, walking on the Sedum plants is not a problem. However, be careful if it freezes: it is not advisable to walk on the vegetation if the plants are frozen, you may damage them.
Can you walk on sedum roof?
Does sedum survive winter?
Sedums are very hardy succulent plants that can tolerate the cold winters. Potted sedums will survive indoors or outdoors. Prune in the spring to encourage new growth.
Do sedum roofs leak?
However, without intervention this plant encroachment can cause damage to your roof, and contribute to leaks and blockages in your home’s drainage system. If you see your sedum or any other plants growing where they shouldn’t, remove it and use it to refill areas on the green roof that lack vegetation.
Does a sedum roof need watering?
The whole principle behind sedum roofs is that they are low maintenance and virtually self-sustaining. Apart from an annual feed and an occasional weeding session, they should look after themselves. If your sedum roof turns red, but the leaves are still glossy and turgid, there’s no need to water it.
Do Sedum roofs leak?
What are the cons of green roofs?
Disadvantages of green roofs
- A greater expense than traditional roofs. Unfortunately for green roofs, they do tend to be slightly more expensive than the traditional option.
- An increase in weight load.
- Require extra maintenance.
What is a sedum roof?
Sedum roofs include any roof surface lined with plants rather than traditional roofing materials. Sedum roofs are considered a type of extensive green roof, which includes roofs planted with small shrubs and flowers that are largely self-maintaining.
What is a living green roof?
A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium, planted over a waterproofing membrane. It may also include additional layers such as a root barrier and drainage and irrigation systems.
What is a flat green roof?
A Green Roof is a roof, flat or pitched, which is covered with living vegetation of some kind. This vegetation is laid over a waterproof covering to keep the water from entering the property.