This stuff is amazing! I bought it because I had a couple of leaks in my roof and had to put off replacing the roof until next year. I bought the six - one quart pack because I wasn't sure how much I would use, and I figured the extra cost vs. the two gallon option would be worth it since I didn't know how well the gallons would store. I planned on using a stiff brush, but I had a few 2 inch foam brushes on hand so I tried those and they worked fine. I used one full quart on asphalt shingles to cover a hole and then went over some cracking. I would say I covered 2-4 square feet, and I was using it liberally. The foam brush was spent after the quart. I wore nitrile gloves and clothes that I didn't care about getting ruined. I can't speak to what it's like trying to get it off clothes or body because I managed not to get any on myself. It was a warm day (around 75°F) and the sealant was very easy to use. The consistency is hard to describe...the foam brush had no problem dunking into the sealant, and when it came out of the jar it wanted to drip off slightly, but when I put it onto the roof (even big globs of it) it didn't run down at all. It rained about three hours later and the leaking was gone! I have found other uses for this as well. I have replaced the caulking around my tub to shower walls way too may times so I used this (very well ventilated) and it's working great. Great product. Highly recommend!