Egnyte is a company that provides software for enterprise file synchronization and sharing. The technology can store files in a companyâs existing data center, as well as cloud computing storage.
Best Answer: 600mm is the minimum width only if the stair allows access to one room (normally an attic stair) If it is more than one room then the minimum width is 840mm, but 860 is more standard. These sizes ignore intrusions like stringers, skirting and newels. So from wall to handrail.
These treads are narrow on one end and wider at the other. Spiral/Circular Stairs: Have their own regulations that often stipulate the minimum width of around 6 at the smallest end of pie shaped treads, and often specify that a tread must be somewhere between 9-10 wide, measured 12 inches from the narrowest end.