Wood Doors | Interior & Exterior Wooden Doors | Garage Doors| Buy Doors Online | Quickship Doors. Since 1977, Nick''s Building Supply has sold interior and exterior wood and garage doors. Nick''s ships everywhere in the USA & Canada.. exterior wood doors, interior wood doors, rustic interior doors, rustic exterior doors, rustic wood doors, wood garage doors, interior french doors, entry doors, copper doors, wood entrance doors, exterior front doors, double doors, craftsman style doors, knotty alder doors, oak doors, mahogany doors, prehung doors, pre-hung doors, clearance doors, discounted doors, wholesale doors, fire rated doors, distressed doors, wood overhead doors, cedar garage doors, wood garage doors, custom made doors