We are moving into a new house the 15th of next month and my wife has given me permission to considerably increase my collection and my snake room size Its going to be in my basement and I have a few question for anyone else who has build a room (Or even if you haven't but know something I dont)

1. What do you do about flooring? Its in the basement and the floor is concrete and I use room heat..So I do not want to suffer really bad heat loss through the floor.

2. Ventilation..Is it more about air circulation (aka fans) or more about air filtration?

3 Finally I am building racks..Is melamine really okay (as long as it is well built) or is shelling out the $$ for xpvc worthwhile?