One car style portable garage kits - All weather shelters and portable garage kits provide the best in instant and portable protection. The welded tarp guarantees watertight protection, these instant garages are also ideal for your boat or motorcycle. Many types of sizes or style prefab building kits are available which can be installed on almost any surface within hours! Our portable storage buildings are made with steel framing and polyethylene tops. Garage building kits are designed both for snow or sun shade with easy access doors and fully supported roof structures.