Jackson P32 24 ft. x 34 ft. multi room log cabin building kit | Hud-1 EZ Buildings This building includes 816 sq. ft. of interior space and a 144 sq. ft. covered porch and 288 sq. ft. loft area 960 total interior sq. ft. The Jackson P32I is an excellent option for someone looking for a vacation home for a weekend getaway, it also is a great option for year round living. This is the perfect building for the DIY and easy weekend project to add more usable space without the expense of a room addition expenses.