Although revolving and sliding doorways tend to be on the wide side to begin with, they’re getting wider.



Some door makers say they are expanding them by 1 or 2 feet to accommodate larger people.



The Texas-based

Horton Automatics regularly fills orders for revolving doors with compartments that are 4 feet wide (up from 3 feet).



Doors with 9-feet-wide compartments are especially popular in Las Vegas casinos.