gasket replacement

What are all you using for gaskets for the doors on your smokers. I converted an old commercial freezer into a smoker, but I need a gasket for the door. The problem is I need a gasket to be 3/4 in thick. I love the lava lock, but they aren't thick enough. I also heard not using anything with...

I just ordered new gaskets from Pitmaker to replace on my Vault. It has been leaking really bad and after 6 years of hardcore use, I'm doing the much overdue job of putting new ones in. I cannot find any videos, and Pitamaker doesn't have any either... Has anyone here done this job? is there...