Welcome to Exterior Concepts Exterior Concepts is a professional contracting company located in Nanaimo British Columbia Canada. We specialize in Hardie Plank, Cedar and Vinyl Siding, Soffit, and Rain Screen Systems as well as Windows, Doors, Garages, Sheds, Suites, Decks, Railings, Stairs, Fencing, Gates, Arbours, Trellis and Custom Projects. more... See more text