The words “Proprietary” and “Non-proprietary” elevator components and parts and the costs associated with them can be a a bit cloudy depending on who you are talking to. Of course, big companies that provide non-proprietary parts are for them, and people that aren’t, see all the flaws. So what are the real differences between the two?
The best place to start with any question like this is with a definition of terms. In this instance, the definition of non-proprietary is the following, taken from an elevator spec sheet calling for a non-proprietary solution. Find out what the spec sheet says and why proprietary is evil here!
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Elevator Schmelevator 
Everyone needs to know this before considering their install Thanks for sharing PME.
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