Grilling Porch . Place the smoker box over top of the far left or right burner. Is it safe to grill on a porch? Outdoor Grilling Station With Pergola HGTV from photos.hgtv.com You should be prepared to say goodbye to the grass underneath the grill, though. Grills cannot be used on a porch, balcony or deck with a roof, overhang or wall (other than the exterior of the. With the char broil patio bistro infrared grills, anybody can enjoy the benefits of outdoor cooking.