Walls:

Dressed Field Stone: Cultured Stone 
This will be used to skirt the foundation, and to build the fireplaces.
Siding: CEM Plank cement fibre-board siding.
Tudor Look: ABT Co. cement fibre board panels and timbers for Tudor framing.
Doors: We are still deciding the front and mudroom doors, but the rest will be Therma-Tru Fibre-glass or steel, wood grain doors.
Garage Doors: Still deciding.