Wendy J68 998 sq. ft. multi room D.I.Y log home building kit | Hud-1 EZ Buildings The Wendy J68 offers 860 sq. ft. of interior space with a 138 sq. ft. covered porch area this multi room floor plan log home D.I.Y. Log cabin. This multi room floor plan offers a great layout for anyone looking to build whether it's a final home, vacation home or an A.D.U. the design includes 7 different rooms with a large open room area of 235 sq ft and includes a 138 sq. ft covered porch. This split roof design gives a higher vaulted ceiling for the largest open room area.