News
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, by United Doors and Locks What Is Missing From Your Door Schedule: The 12 Things We Check Before Quoting
Door schedules are rarely wrong, usually incomplete. The 12-item checklist we run every schedule against, and why each omission fails in a different way.
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, by United Doors and Locks What We Need to Key Your Job
Keying is the last decision made on a project and the first thing to hold up handover. The five inputs we need to build your...
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, by United Doors and Locks Hardware Schedules and Submittals: How a Division 8 Package Works
Hardware sets, door numbering, the submittal review cycle and keying meetings — how a Division 8 package actually moves from specification to the jobsite.
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, by United Doors and Locks Hollow Metal vs Wood vs FRP: Choosing a Commercial Door
Steel gauge, core construction, moisture and fire rating — how to pick the right door material for what the opening actually has to survive.
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, by United Doors and Locks How to Measure a Door and Frame for Replacement
Nominal size, rough opening, jamb depth and handing — the five measurements that let us quote a replacement door and frame without a site visit.
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, by United Doors and Locks Overhead Stops, Floor Stops, Wall Stops: Stopping a Door Without Wrecking It
A closer controls how a door shuts, not how far it opens. Overhead, floor, wall stops and closer stop arms, and which openings justify which.
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, by United Doors and Locks Standalone Keypad, Smart Lock, or Networked Access Control?
Four tiers of access control, an order of magnitude apart in cost. The deciding factor is rarely the door: it is how often your people...
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, by United Doors and Locks Rim, Surface Vertical Rod, Concealed Vertical Rod: Choosing an Exit Device
Rim, surface vertical rod, concealed vertical rod or mortise. The door configuration decides, and a removable mullion is often the cheapest answer to a pair.
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, by United Doors and Locks Regular Arm, Parallel Arm, Top Jamb: Mounting a Door Closer Three Ways
Regular arm is the most efficient, parallel arm is the most protected, top jamb is for doors that cannot carry a closer. How to pick,...
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, by United Doors and Locks Sizing a Door Closer: Power Sizes 1 to 6 and the 5 lb ADA Limit
Closer power size comes from door width. Then the ADA opening-force and closing-speed limits have to be met at the same time. How to do...
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, by United Doors and Locks Lock Functions Explained: Passage, Privacy, Entrance, Office, Storeroom, Classroom
Function is what the lock does, not how it is built. Passage, privacy, entrance, storeroom and classroom, with the ANSI numbers and where each belongs.
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, by United Doors and Locks US Finish Codes Decoded: US26D, US32D, US10B and the Rest
US26D, 626, satin chrome: three names for one finish. A translation table for the US and BHMA finish codes you have to pick before you...
