A-Frame J32 19ft. x 22 ft. wood framed building kit | Hud-1 EZ Buildings The A-Frame J32 building offers 19 ft. 2 in. x 22 ft. with a 8 ft. 5 in. x 10 ft. 3 in. loft that gives this building 418 sq. ft. main level and 87 sq. ft. for the loft . The A-Frame J32 building is a great building for whatever your needs, it can be used as an ADU, a vacation getaway, as a home office, workout studio with it's unique design and the clear glass front view makes it perfect for what ever you need.