how far apart are beams in a house?
Basically, the post and beam system is a skeletal framework of decking, beams and posts supported on a foundation. It is suitable for any location. in Canada. The posts and beams are usually spaced well apart; more than 600 millimetres. by definition, but usually 1200 millimetres or more. The National Building. Code of Canada requires engineering design of all structural members spaced. more than 600 mm apart.