We offer a 10 year guarantee on our roof cover. We work with the best materials on the market which consist of recycled Caucho and the final cover is made of cork a renewable and eco-friendly material coming from Spain. You can choose the colour of your dome from a wide variety of colours. All of our dome models come with insulation. The basic model includes 5cm of wood fiber insulation which can be extended to 15cm depending on the climatic requirements.