hi Fatima built a sauna 2 years ago use it twice a week to get away from the kids. there are a few books avalible and also a couple of websites from suana dealers. i had some room in an outside bathroom and didnt want to spend a lot of money since i didnt know how much we would use it. so i bought the cheapest wood i could find at home depot and built a woodstove. the most expensice thing was the chimney. it works great. my advice is dont worry use whatever you can find and dont worry about having exactly the right thing, as long as its safe.