A bottom sweep or threshold is required for a proper seal. Doors with glass inserts must be double pane-tempered glass. It is very chic to add a glass wall or all-glass door to your wine cellar.

"A passive wine cellar can still be in a separate room with a door. A lot of times we'll do the frame of glass — though the cellar is for storage, it's mainly for looks," says Audrey Frances ...