STEP 3 SQUARES: Add Fill
Next, remove turf squares and add 1" to 1-1/4" of additional Paver Base material (half of 50# bag for 20" paver pictured or about (5-6) 12" squares per 50# bag) in the spaces to raise the finished turf pile height. (Ideally turf to be +/-1" higher than the paver) You can substitute this step with SubTurf Foam Squares.
Place SubTurf Foam Square in place, if applicable
Spread evenly by hand or tool
Lightly spray with water, if available, and lightly compact with a hand tamper being careful not to crack any paver edges.
Approximate: (1) 50# Bag Paver Base to every (2) 20" x 20" Turf Squares