for cylinder
SA=2hpir+2pir^2
r=4
h=8
SA=2*8*pi*4+2*pi*4^2
SA=64pi+32pi
SA=96pi
SA≈301.44in²
for 1500 boxes
times 1500
452160 in²
divide by 144 to convert to squaer feet
3140 square feet
aprox is 310.44 square inches
amount needed total is 3140 square feet (for 1500 boxes)