I keep and breed alot of 'bird eating spiders', and I wouldn't use the teflon stuff for them. Reason being is when they climb the glass the have the ability to climb back down again, but if you have the teflon on there, they can slip and fall, their abdomens rupture very easily. Also, in my experience, 'bird eaters' are extremely sensitive to chemicals as most of them from the pet stores :evil: come from unspoilt rainforests deep down in burrows, they just aren't used to being exposed to it. Just have a good secure lid and they can't get out, weight it down for extra secruity. If a tarantula is happy, it won't try and get out of the tank (unless it's male).
If you see a tarantula try and get out continuously it is the first indication you aren't keeping it in the condition it likes. If one of mine used to do that, I would change to a smaller tank, keep it darker or give it more humidity. I haven't had any of mine climb the glass for a long time now.