Hi . Looking to start smoking meats. Living in the NYC area I am looking to build a smoke house thats not to big and using propane. My idea is a 3 foot square by 4 foot high with 2 doors. Looking to handle temps up to 350. Want to us 3/4" plywood all around and what ever other materials I need. I know I need to line the fire box not sure what to use, read people using cement tiles and ceramic tile would like to know whic is better. Looking to smoke all year hot and cold. Is this a viable option for me. Would rather have the satisfaction of making it myself than buying one. Have alot of time on my hands.