That's about what I've used. To passify wifely concerns I had to line the inside of the 22'X11' 'carport' with painters plastic worked well with all of the mosquitos noseeums and whatever other critters that what to end their lives on a freshly sprayed surface. No dog hair cat pawprints bird crap neighborly eyes, code enforcement types. With a little forethought a standalone a/c unit made it a great clubhouse for a few days