The size of the Igloo’s are either 1800 sq ft (30’ x 60’) or 2400 sq ft (30’ x 80’). They have a 12.5’-13.5’ center height. Door Sizes are 4’x8’, 8’x8’, and 10’x10’. The 10×10 are full size garage doors units. These units are made of reinforced concrete covered by dirt Our storage igloos offer clean, secure storage with consistent, mild temperatures. They do not have utilities but maintain a year-round temperature of about 45-55 F.