The polycarbonate roof panels are 100% UV protected and are treated with a unique bronze glazing to ensure just the right amount of light can get through but also offering an element of privacy. In the middle of the gazebo roof there is a decorative air vent which allows smoke and wind to escape, perfect for cooking on a BBQ or when there are high winds. This garden gazebo has been designed for easy installation by two people, with anchoring foot plates to secure the structure to the ground. Harlington 4300 Gazebo Features: 6mm Twin-Wall Polycarbonate Roof Panels Rust Resistant Powder Coated Aluminium Frame Integrated Roof Ventilation for Airflow & Smoke Dispersion Simply to assemble (2 person DIY) 10 year guarantee Anchoring and foot-pads included ” this product requires foundation pads in all applications. Please see assembly instructions for sizes. Please note: whilst marketing photographs may show this product fixed to a surface such as decking or paving, this product requires foundation pads to resist wind uplift. Please ensure that you fix this through to pads whichever final surface you choose. For more information or advice please call us on 0345 241 7182.