Loop Info-Q-2-16
10
•
The same careful attention to proper installation guidelines described for saw cut loops also apply to the installation of
DoorKing 4 ft x 8 ft preformed loops.
•
Preformed loops should be imbedded 2 to 3 inches below the surface of the poured concrete pavement.
•
If installed with asphalt pavement, cover the loop with 1-inch minimum of soil or sand to protect the loop from hot asphalt.
Sand and Gravel Base
1” Minimum Depth
Hold Down Stakes
Hold Down Stakes
Styrofoam Blocks
T connector
accepts 1/2”
PVC conduit.
Poured Concrete
Asphalt
2” to 3” Depth
Loop Lead-In
Wires
T connector
accepts 1/2”
PVC conduit.
Loop Lead-In
Wires
Sand and Gravel Base
Tape
•
Wire mesh or reinforcement in concrete should be cut away a minimum of 6 inches from the perimeter of the loop.
DoorKing Preformed Loop Guidelines
Reinforcement wires, rebar and electrical wires
running at angles to the loop have less effect on the
loop than those running parallel to the loop wires.
1/2” PVC Conduit
6”
6”
6”
6”
Preformed Loop
Preformed Loop
Summary of Contents for 9409 Dual Channel
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