All American Panel walk-ins are 100% foamed in place, edge to edge insulated, have a cam-lock panel lock system and a full perimeter foamed in place gasket for a true airtight seal without additional sealants or caulk. All walk-ins are built and foamed in house, then fully assembled in the factory to ensure quality. Every walk-in and panel is custom designed to fit exact specifications. American Panel walk-ins feature the exclusive IC or IC+ controller for door heater, light, alarm control and intelligent temperature setting. Notification features are available on the IC+, all set up through the IC+ setup app.