CONSTRUCTION
NO. 167
UL 90 LIGHT TRANSMITTING PANEL INSTALLATION
(Continued)

Apply tape sealer across sidelaps of 3 long pieces of "R" panel. Be sure the light transmitting panel sidelaps have a complete run of tape sealer on top of the light transmitting panel.

Install "R" panel hat section to each side of light transmitting panel with lap screws at 12" O.C. Apply tape sealer down each hat section to just downslope of exposed tape sealer running across light transmitting panel. Also apply additional tape sealer up each side of hat section aligning and sealing to the exposed tape sealer running across light transmitting panel.

Install upper metal panel in light transmitting panel run and fasten as at a normal endlap.