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Hello. The "paint" they put on those is really cheap. The absolute best option is to wire brush the entire smoker back to bare metal and the respray with several coats of good quality heat resistant paint, but that just silly. You aren't going to put that much time and money into a cheap smoker. I think I have a solution for you. Get a fire going in the firebox and bring the smoker up to around 300 then wipe, or spray veg oil on the entire interior. And some wood chips to the fire to help get the flavor going and see where the smoker leaks smoke. Mark those leaks so that you can seal them later. Also, a tip I learned here ( thanks Stan ). After you cook your fine meal and when the smoker is JUST cool enough to touch safetly, wipe it down with paper towels and veg oil. Needs to be done while the smoker is still pretty hot so the "pores" ( I don't know the scientific terms ) of the metal are still open. After it really cools wipe it down again to take off any excess oil. Now when you fire it up again it may smoke a bit but it doesn't hurt the food inside. Do this a several times and soon you can just wipe it down after every 3-4 smokes just to keep the outter surface protected. You would think the paint would not allow the oil to penetrate but so long as it is hot/warm the oil will do it's thing. Rain will just bead up and run off. Hope this helps. Keep Smokin!