The most repeated claim about ADA doors is wrong. The 5 pound maximum opening force does not apply to exterior hinged doors. Under the 2010 ADA Standards, Section 404.2.9 sets 5 pounds maximum for interior hinged doors and for sliding and folding doors, exempts fire doors to the minimum force the authority having jurisdiction allows, and specifies no maximum at all for exterior hinged doors. The US Access Board says so directly, because wind loading, weatherstripping and positive closure routinely push exterior doors past 5 pounds. What does apply everywhere is the hardware rule and the closer timing rule, and those are where Houston buildings actually fail. We adjust a lot of commercial closers across Houston, from Downtown and the Medical Center out to Sugar Land, Katy, Spring and Conroe. Here is what genuinely matters.
What the ADA requires of door hardware
Section 404.2.7 covers operable parts. Hardware on an accessible door must allow one-hand operation, avoid tight grasping, pinching, or twisting of the wrist, operate with 5 pounds of force maximum, and be mounted 34 to 48 inches above the floor.
- Lever handles are generally appropriate because they can be operated without grasping and twisting.
- Round knobs, tight thumbturns, and latches that must be held while pulling are frequent problems.
- The 5-pound limit for operating the hardware is separate from the force required to push the door open.
The opening-force rule, stated correctly
- Interior hinged doors: 5 pounds maximum opening force
- Sliding and folding doors: 5 pounds maximum opening force
- Fire doors: Minimum force allowed by the authority having jurisdiction
- Exterior hinged doors: No maximum specified by the 2010 ADA Standards
The exterior exception reflects wind, gasketing, and the positive closure needed for a door to latch reliably. It is not permission to leave a primary entrance unreasonably difficult to use. Where force cannot come down without compromising closing and latching, a power operator is often the correct solution.
The closer timing rule almost nobody checks
From 90 degrees open, a door must take at least 5 seconds to move to a point 12 degrees from the latch. Spring hinges have a separate minimum of 1.5 seconds from 70 degrees to closed. A healthy closer can often be corrected with proper sweep, latch-speed, and backcheck adjustment; a closer with failed seals needs replacement.
Texas adds its own layer: TAS
A door can be code-compliant only when it both opens accessibly and closes and latches reliably.
Texas administers the Architectural Barriers program through the Texas Department of Licensing and Regulation. Projects with total estimated construction costs of $50,000 or more must be registered with TDLR; the standard project filing fee is $175. A hardware-only service call to adjust a closer does not itself trigger registration, but a tenant improvement or entrance renovation may.
When the honest answer is not new hardware
If the door is out of alignment, hardware will not fix accessibility. A dragging slab or racked frame raises the opening-force reading before closer settings even matter.
If the entrance needs a power operator, say so early. Weakening a closer until the door will not close and latch creates a security problem and, on a rated opening, a fire-code problem.
If it is a fire door, do not chase 5 pounds. Fire doors are subject to the minimum force the authority having jurisdiction permits because they must close and positively latch.
Frequently asked questions
Does the 5-pound ADA opening-force rule apply to exterior hinged doors? No. The 2010 ADA Standards set 5 pounds for interior hinged and sliding or folding doors; no maximum is specified for exterior hinged doors.
Are doorknobs allowed on accessible commercial doors? Hardware must operate with one hand and without tight grasping, pinching, or twisting. A round knob generally cannot satisfy that test.
How slowly must an ADA closer close? From 90 degrees open, at least 5 seconds to reach a point 12 degrees from the latch.
Get your closers measured
Precision Lock & Key of Texas adjusts, repairs, and replaces commercial door hardware and closers across Houston, Spring, and The Woodlands. Call (346) 670-2818 or reach us through plktexas.com.
This is general information, not a compliance certification or legal advice. Consult a TAS registered accessibility specialist for a specific building or project.
Related reading
Related services
Sources
U.S. Access Board: Doors and Gates and Texas Department of Licensing and Regulation: Architectural Barriers FAQs.
