* The panel thickness indicated in this table is for estimating purposes only. It is based on average panel heights with a wind pressure of 20 pounds per square foot. Please consult the EPD factory for the exact panel thickness and other dimensions for your project.
Depth of Track & Tower
from Mounting Surface "C"
Door
Clear
Opening
Width
Panel
Thickness
Based on
20 PSF
Load "A"
Offset of
Track &
Tower to
Opening
Jamb
"B"
Width of
Counter-
Weight
Tower
"G"
Single
Panel
Door
"C"
Two
Panel
Door
"C"
Three
Panel
Door
"C"
Four
Panel
Door
"C"
0' to 18'
4 inches *
2-1/2"
16"
12"
12"
16"
22"
19' to 22'
5 inches *
2-1/2"
16"
12"
14"
19"
26"
23' to 26'
6 inches *
2-1/2"
16"
12"
17"
24-1/2"
32"
27' to 38'
8 inches *
3-1/2"
16"
12"
21"
30-1/2"
40"
NOTE that the overall width "F" is equal to:
20" plus the clear opening width