The Standard Model features the patented exclusive feature that made RubbAir
famous: the flexible rubber I-beam extrusions adhesive-bonded inside the door. The
Standard is the original "RubbAir" door developed by Oliver C. Eckel in 1954.
This design gives the door what is referred to in rubber technology as historisis, or
"memory": the ability of the material to flex to absorb the shock of impact and
then return to its original position or shape.
The all-flexible rubber door-body is secured to the full-height shaft, stile and
gravity-action cam and cam follower hardware with full-height aluminum mounts. This
assembly of the hardware to the door-body prevents the diagonal cracking of the door-body
and door facing at the hardware that is common with other traffic doors. Note also that
doors over 8’ high include reinforcing stiffeners inside the top of the door-body.
The rubber facings and safety-cushion nosings make the Standard Model perfect
for personnel and other safety applications. The Standard Model is for any traffic door
opening that is used frequently, especially by motorized traffic, where insulation,
durability and safety are desired.
APPLICATIONS
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