ya you just roll it on and it should work regardless, just make sure you clean off the planks and that they are dry before applying.
for an extremely durable finish, i would do 3 coats with at least 4hrs dry time in between. just feel when its just a bit tacky and this will promote adhesion with the next coat. this should last you about 5yrs depending on usage before you would have to apply another coat.
my brother had used this on his trucks rocker panels, his backrack, his buddies truck's rocker panels and it works great.