Somerset, Wisconsin

Wisconsin adopts the 2010 ADA Standards plus the state's SPS 362 amendments. Automatic doors in Somerset retail and municipal buildings must meet clear width of 32 inches minimum, opening force under 5 pounds, and low energy or power-assisted operators that don't require more than 15 pounds of pull. Sensors must detect the full path. If you're retrofitting an existing door, you'll need a licensed contractor to verify compliance — we do that on site.

Standard hydraulic closers like the LCN 4040 lose fluid viscosity below -10°F, causing doors to slam shut — that's a safety hazard and damages the frame. EPDM thresholds compress and take a set after two or three freeze cycles, leaving gaps big enough to see daylight. Aluminum thresholds expand and contract, sometimes cracking at the anchor points. We see this every winter in Somerset. Replace seals every 2-3 years and use closers rated for -30°F in unheated bays.

For a dock door cycling 50 times a day – like at a food distribution facility – lubricate hinges and rollers with dry PTFE spray every 90 days. Torsion springs have a rated life of 10,000 to 25,000 cycles; after 15,000 cycles, inspect for cracks near the winding cone. Storefront automatic operators need sensor and battery checks twice a year. Schedule a full inspection before October 15 in Wisconsin — we catch close-speed drift and cracked weatherstrip before the freeze hits.

Look for frame damage: cracks in the frame jamb or floor anchors mean replacement, not repair. If a 3-hour fire-rated door has missing UL labels or the core is delaminating, that's a compliance failure — repair won't pass audit. For hollow metal doors, if the bottom rail is rusted through or the door sags more than 1/4 inch, replace it. Sectional door panels with broken end hinges or cracked center stiles are cheaper to replace than repeatedly fix. Cycle count matters: springs past 25,000 cycles should be let go.