A. Thermal pane unit
B. Butal tape sealant
C. Aluminum retainer frame
D. PVC draft seal
E. Weeping holes
F. Butal tape sealant
G. Self-tapping screws
H. Aluminum main frame
I.N. Air seal
J. Styrofoam
K. PVC rigid vinyl thermal barrier
L. Hinge
M. Hinge bolt