El Dorado direct shielding doors are manufactured with the highest quality materials and workmanship. Each door system is custom designed and fabricated to meet the requirements of your project. Features: IKO linear motion system with fully machined beam surfaces Long bearing block bodies resulting in longer linear motion system life Bearing capillary plates reducing requirements for manual lubrication Structural steel components epoxy painted and door primed for final finish Pressure sensitive leading edges and BEA presence sensors Brookfield Series 4000 Electric Operator Partial open feature standard Battery Back Up Manual override 3 year linear motion system warranty 1 year operator warranty