"I read two reviews here before purchasing this product; both stated the very low coverage compared with what the label says. So I purchased a lot more product that the stated coverage would recommend; what I found is that I got the 200 sq ft per gallon as noted on the label. What to consider is how porous your wall is, mine was a very smooth concrete wall, and it was cool, not having been in the sun all day. I used a good quality 1/2" nap cover, and the product flowed and covered very well. Yes it's thick, and if my wall was rough and porous I think I would be spraying this stuff on. Hope this helps."