Gustav J68A 19 ft. 6 in. x 19 ft. 6 in. multi room log building kit | Hud-1 EZ Buildings The Gustav J68A 19 ft 6 in. x 19 ft 6 in. multi room Log cabin kit is an excellent design to provide a large amount of open space also includes two 9 ft. x 6 ft 3 in. rooms and and a 19 ft x 6 ft bunk area . This building offers 456 sq. ft. of total interior space. This building is an easy quick assembly project for the D.I.Y. that needs some extra space to set up an office or some additional space for an over crowded home . The building is shipped direct to you via curbside. Roofing shingles are sold separately.