Although not Canadian, this is one of the topics that crosses the border seamlessly. Canadians have access to all the hardware and tools needed, not to mention an abundance of wood to use in the project.
This video stems from an appearance on Doomsday Preppers season 2 and is the best instructional piece I have ever seen on the subject. So, with no further adue, and with thanks to Cameron from 7 Trumpets Prepper, enjoy!
This video is presented with permission from 7 Trumpets Prepper.