Question for those who retrofitted furniture for humidor use

[doctorcue]

Hey all,

Wasn't able to specifically find any details on this so thought I would ask.

I am getting an old china hutch from my inlaws that I am converting into a humidor (with their blessing!). So I need to build out the interior of the display space to make suitable for cigar storage. I'll probably have to gut most of the top cabinet piece to replace with wood or spanish cedar (interior obviously housing the cedar). So hoping any BOTLs can help me out with the following questions:

- For the spanish cedar, when connecting multiple boards together, what material to use for this? Glue? Nails? Screws? Unsure as the cedar will expand & contract a bit; unsure which type of fastener will work best

- To seal up the interior, is there a preferred "low-odor" silicone or other sealer that you would recommend?

- For obtaining the Spanish cedar, is there a preferred online vendor? I'm sure all of these mills with online presences don't have dedicated web teams; so getting good details from web pages is tough. As a last resort I figured I could go to a local Woodcraft store, but I assume they will be pretty expensive.

Any help on this will be appreciated. I'll try to take pics of the process. The china hutch is old in style, but I like that, keeps some of that history with a modern (or should I say current) use. Should be fun!