Assuming the curing temperatures are above 60 degrees and it is still
rubbery, you are hosed, it will never become hard and will get sticky
and nasty in hot weather... Plan on grinding it away... Consider a wire
brush mounted on a healthy drill motor (1/2") and lots of elbow
grease...
MAS is a fine product, I went through a couple of gallons on the past
month when I ran low on WEST...
denny - who has had every problem possible with epoxy...