After reading 50% of the negative reviews and the reason for the negative reviews on this adhesive I was wary of using it; but because of the reputation of the Elmer brand, I decided to give it a try. I'm glad I did. Yes, it's the consistency of skim milk, and yes, the label instructions say the ingredients need to be pressed for 15-60 seconds. but the instructions also state that both surfaces must be dry and free of oil, soap, wax, paint, varnish, previously used cement and other residuesβ¦