Sally Port doors on correctional facilities are known
for repeated opening and closing cycles.
As many as 200 to 300 times
a day. That’s why EPD's Four-Fold and Bi-Fold
Doors have been so popular. You can depend on their
operation for over two million cycles with minimal preventive
doors last 20 to 30 times longer than conventional
Correctional facilities in 47 states have installed
EPD's security doors since 1990.
always a possibility of vehicle and door damage on high
usage doors. EPD's four-fold and bi-fold doors reduce
the likelihood of these problems by rapidly moving the
door panels in a sideways direction keeping the door
panels in the sight-line of the driver. The quick two-feet-per-second
opening and closing speed also reduces the chances of
Doors can have a variety of custom designed panels to
make them match the design of any building:
or pre-formed steel
or round rods
doors for correctional facilities can include a variety
of automated controls and locking systems.
EPD has worked closely with the Federal Bureau of Prisons
to develop and manufacture automatic attack-resistant
locking mechanisms designed to meet security and riot