I've seen a few of the conversions and my only concern is lining the unit. The ice box I'm looking at is in great shape, but I will need to rebuild the guts and am wondering if a wood, other than spanish cedar, can be used as a lining. The ice box is expensive and don't know if I want to double the price if only spanish cedar can be used. It's a big unit...4 feet wide, 2 feet deep, 4 1/2 feet tall with 4 doors and a space on the bottom where the water would drain to for the humidification unit. :tu My wife saw it and thinks it would be great, as long as it's not too expensive.