Step 6: Bed preparation.

Picture of Bed preparation.
I then installed (2) 2x6x8 and (2) 2x8x12 to the inside of the 4x4 s for the above ground outside frame. Since i used pressure treated for the floor and sides i needed a barrier to separate the soil with the treated wood . So i double up 2 layers of 8mm plastic sheeting as my barrier between the soil and wood.