One more thing. You mention the outgassing during sawing, working etc. When putting the rack together, obviously I have to drill and put screws which will generate heat. Afterwards, will a simple rinse with water get rid of any harmful release from that?
Oh yes, you said you used komacel for beardie enclosures. Have you used it for racks? I can get the 13mm thick stuff and it seems quite stiff. Do you think it is stiff enough to have a rack with two 32 qt tubs across on each level with snakes in without significant sagging? I would prefer NOT to have support in between the tubs on each level.
Are they rigid enough to use as the sides and back if I were to make an "economy" rack without the entire sides and back, but just"pillars" say 2 - 4 inches wide, front and back?