A few humidor questions

[David Lucas]

Hi Guys,

Just found this forum - great site with some very talented people! I'm going to build a humidor for a friend of mine who is graduating med school this year. Ive done some reading on how to build a humidor but have a few questions I was hoping you could answer.

I'm going to build the box out of curly maple with wenge accents.

Here are a few questions I have:

1. How thick do you recommend making the spanish cedar lining?

2. Do you finish the inside of the box at all (I know to leave the cedar natural)? I'm just wondering if you do a spit coat of shellac on the inside.

Thanks in advance!
Dave