Racine, Wisconsin

Wisconsin adopts ANSI A117.1, which references ANSI/BHMA A156.10 for automatic doors. Opening force at the push plate must stay under 5 lbf. Door width clear is 32 inches minimum. Annual inspection per NFPA 80 includes sensor testing, low-energy limit verification, and timing cycles. We see Racine facilities fail on threshold height exceeding 1/2 inch or sensors that don’t cover the full swing path.

Below 0°F, closer oil thickens—a generic closer rated to -20°F slows latch speed, causing the door to bounce off the strike. EPDM weatherstripping takes compression set after three freeze cycles; that means a 1/8-inch gap at the bottom. Aluminum thresholds expand and contract roughly .001 inch per °F change, so a 6-foot threshold sees 1/16-inch movement. That eventually breaks the bond at the jamb ends. We swap to -30°F rated closers and use silicone-based lubricants that don’t gum up.

High-cycle dock doors—over 100 cycles a day—need inspection every 3–6 months: cable tension, track alignment, spring condition. Torsion springs typically last 15,000–25,000 cycles depending on balance. Storefront entries and hollow metal fire doors: annual maintenance per NFPA 80. That covers closer speed, gaskets, hinge wear, and frame anchors. We follow DASMA guidelines for sectional doors. Schedule before October 15 in Wisconsin to catch freeze-vulnerable seals.

Look at cycle count first—if a torsion spring is on its third set, the cable drums and bearings are likely worn too. Frame rust scaling over 1/8-inch thick compromises the fire rating. A missing or damaged UL label on a 3-hour fire door means insurance won’t accept it—replacement is mandatory. Also, if the bottom panel of a dock door is warped more than 1/4 inch from fork truck impact, repairs won’t hold. We test every door for square, plumb, and compliance before recommending replacement.