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Aisle End Doors – Which design is best?

An important element to containment is closing the end of the aisle with a door system. The question most asked is which aisle? The answer lies in the design of the room and the natural property of the air. For the most part, hot exhaust air
naturally rises after exhausting from the computer. In most cases the hot air requires partitioning above the rack and into a return plenum. The cold aisle or supply aisle is the area that requires a closed end of aisle. This is because cold air is denser. It tends to pool around the floor. As a result the cold air can spill out from the aisle into the ambient room. Thus the number
one use of the aisle end door is the cold aisle.

Aisle End Doors


Sliding Door
The SubZero Sliding door is a tilt-up door that comes fully assembled in a box. The door is designed to install at the end of the rack row with minimal intrusion to the rack. Simply tilt up, install bolt to the floor and two turnbuckles to the top of the cabinet and door is ready for operation. The no-threshold design is one of the most important features. The all aluminum door supports twin sliding doors that bridge an aisle from 24” to 96” wide. The SubZero sliding door system is built strong with heavy gauge aluminum. The silver aluminum and black molding complement most rack systems.



Installation is Easy

Installation is easy. The door comes fully assembled. Merely tilt the door up into place. Attach two bolts on each side of the threshold into the raised floor. Next attach the wired turnbuckles at the top of the door onto the top of the aisle end cabinet.
The door is designed to support the weight on the two threshold stanchions. In a short while the SubZero aisle end door will prevent thousands of dollars of cold supply air from spilling into the room.

Strip Doors

A low cost solution

One low cost option for closing the end of the aisle is the SubZero strip door. It attaches to the ceiling on the same aluminum track system as does the Rack Hat™ partition system. The fire resistant clear vinyl hangs down from the ceiling to the floor. The strip doors can be used in a variety of applications so as to create a partition and still allow access.

Hinged Doors
The SubZero hinged doors are designed with the same material as the sliding door system. This door system has no floor threshold so as to cause a tripping hazard. The door has a swing radius of 4 feet. Doors can be ordered to either swing left or right. Bolt to raised floor and attach the top with turnbuckles to the aisle end racks.






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