A minimum of 5 feet of clearance is required at the front and rear of the castle, as well as 3 feet on either side, to allow for access and operation of the blower. Please ensure that all garden decorations, such as toys, swings, slides, patio furniture, rubbish, and anyother items are removed from the area inwhich the castle will be placed.Furthermore,please make sure that the area is free of animal excrement. Most of our castle are 10x13ft.