Shed installation service. due to high demand our installation service is temporarily unavailable. asgard shed installation: asgard metal sheds feature an integral metal base so can be bolted down to a concrete base as an added security measure. if the shed base is built to the exact size of the shed and you attempt to bolt the shed down. Elephant metal shelters offers metal building kits, steel carports, garage plans, storage buildings, shed kits, and metal sheds online. build your own metal shelters including metal garages. free delivery and installation!.