I may be the only one who worries about this but I plug the bottom drain hole and the top exhaust to prevent ants, spiders, etc. from getting inside after being attracted by smell or leftover grease. I did this with my last smoker and I started doing it on the SI. On the SI I use rolled up aluminum foil to plug the bottom and top holes. Since this is being left outside in a greenhouse there are plenty of critters roaming the ground. Unlike my grill which has a flame and burns off anything low temps don't. Am I alone in this?