I bought a poly cooking board I plan on mounting. Thanks for the idea. (Might need trimmed down though.)
https://smile.amazon.com/gp/product/B01LZC7L5B/ref=ppx_yo_dt_b_asin_title_o01_s01?ie=UTF8&psc=1
I don't even have mine yet, but seen how the smoke comes out the lid. I bought this to remedy the issue.
https://smile.amazon.com/gp/product/B00TAJW0QE/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1