- Frame steel
- 14-gauge tube for standard leaves, 11-gauge to 3/16 in where a long or tall leaf has to hold its line
- Base protection
- G90 hot-dip galvanizing or a zinc-phosphate and e-coat base goes on before any color
- Topcoat
- TGIC polyester powder coat at 3 to 5 mils, oven cured, picked from physical samples
- Post footings
- 24 to 36 in deep and 10 to 12 in wide, poured in 3,000 to 4,000 PSI concrete, checked against the soil found on site
- Hinges
- Ball-bearing pairs rated from 500 to more than 1,500 lbs, matched to the weight of the finished leaf
- Operators
- 24V DC brushless motors with battery backup, sized to leaf weight, length and duty cycle
- Entrapment safety
- Monitored photo eyes and edge sensors
- First responder entry
- Knox key switch, Opticom receiver or siren sensor, set to whatever the local fire authority calls for
- Picket spacing
- 3.5 to 3.875 in between pickets, our own spec; 1.5 to 2 in puppy pickets on request
- Gate clearance
- Grade is shot across the full swing or slide path, and bottom rail clearance is set from that measurement
- Entry devices
- Video intercom, keypad, phone app, remote or vehicle loop, wired or solar with a 10 to 30W panel
- Bronze and flat tops
- Flat-top rails and brown or bronze finishes are stocked for neighborhoods whose design rules bar spear points or black