Galvanized lintels for openings in masonry walls. No rust – at least for a very long time if ever.
Support brackets on foundation wall verses ground resting equipment.
Aluminium sopport brackets. (for the AC equipment, eg) NO rust
Contractors and subs list with contact info, printed on electrical panel.
Montreal exterior stairs (iron) and rear balconies, fire escape stairs all in aluminum. NO rust.
Original blog post on ActiveRain: Link to Blog Post