Applied AR350 in mid October 2020 in Southern Illinois on a 3 year old stamped patio (800sqft). Used 3/8" nap rollers. 2 coats. Used 4.5 gallons out of the 5 gallon container. Take your time and the results will reflect this. Whether your project is big or small you will still need a window of 5 good weather days for great results. Plan accordingly! Follow the application tips for great results!