my paint store told me that on the can or the fine print disclamer maybe not all brands I use ppg dupont??? also Ive read of problems of seepage out of seams or not de activating good enough causing problems down the road but I am not a pro just an average joe just google it on internet read for yourself like I said I was sold on soda & almost purchased a blaster I did but used walnut it worked okay for in the driveway use just my opinion