Mueller Pre-Fab - Manual (Page 71)

www.muellerinc.com E-25
Ul 90 lIGHT TRansMITTInG Panel InsTallaTIon
Install roof panels, leaving the light-transmitting panel run open, except for lower light transmitting
panel run panel . Install sealant tape to panel sidelaps and across panel width as normal .
Lay light transmitting panel in place overlapping lower metal panel 12” . Do not install any fasteners
at this time . Install sealant tape down light transmitting panel side laps . Apply double run of sealant
tape across light transmitting panel width at lower and middle purlins . Sealant tape should align
with beginning and ending edge of top flange of purlin . At the upslope end of light transmitting
panel, apply double run of sealant tape for endlap .
Install 3” long pieces of “R” panel over light transmitting panel at the lower and middle purlins .
Attach to purlins with six fasteners per piece of “R” panel . Fasteners must go between the two
runs of sealant tape that were installed previously .
Slope
Sealant Tape
R-Panel
Slope
Sealant Tape
R-Panel