A. Acrylic domes
B. G. Butal tape sealant
C. Neoprene gasket
D. Aluminium retainer frame
E. PVC draft seal
F. Weeping holes
H. Self-tapping screws
I. Aluminium main frame
J. Counter flashing
K. Step flashing
L. 1.5” wooden curb by others
M. Shingles
N. Roof sheeting
O. Caulking by installer
P. PVS rigid vinyl thermal barrier
Q. Air space
R. Air tunnels