The 4m x 3m Edwinstone Insulated Garden Room is made with 100mm thick double skinned walls containing EcoQuilt multi-foil insulation making it fit for use all-year round. This is a perfect space to set up your garden office, guest space, or tranquil outdoor escape. The key features include:. *Free Home Installation *14mm double-glazed with 2 top-opening front windows and 2 fixed side windows *EcoQuilt insulated walls and roof *Air Tec Insulated floor *Customisable design *16mm Tongue and groove floor *Solid Sheet Board Interlocking Tongue and Groove Roof *10-year anti-rot guarantee