system effectively shelters all movings parts overhead and away
from weather-related elements and debris, which often interfere
with bottom-rolling doors. This system also eliminates the need
for costly foundation tracks required by bottom-rolling systems.
feature time-tested Cannon Ball needle-bearing trolleys equipped
with DuPont Delrin wheels. These quiet running trolleys are corrosion
resistant and prelubricated for maintenance free operation and
are fully enclosed overhead in heavy-gauge galvanized tubular
Each 21' sliding door section is equipped with a rod-lock
assembly. The “active” section of each unit
is secured with an individually and master-keyed lockset
while the second section is easily opened from inside
the hangar to meet fire code requirements.
brushes, developed specifically for aircraft hangar doors, and
aluminum holders are used along the top, bottom and jambs of each
sliding door section to efficiently weather-seal each hangar unit.
not mandatory with sliding door hangars, 3' wide, pre-hung personnel
doors equipped with spring-loaded hinges and individually and
master-keyed deadbolts are available.