4-Outdoor is a top builder of prefabricated storage buildings, garages and animal shelters. We offer Duratemp® and vinyl siding on all of our buildings as well as a wide variety of colors and custom options. Some of our products include: Storage Buildings Prefab Single Car Garages Two Story Modular Garages Two Story Single Car Garages Custom Sheds Utility Sheds Rubber Mulch Garden Sheds Maryland Custom Sheds and more