Mueller Snap Lock (MSL) - Manual (Page 29)

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2
3
4
5
1
1 1/2"
6 "
Mueller Snap
Lock Upper
Panel
Mueller Snap
Lock Lower
Panel
#12 x 1 1/4" Self Drill
Tek Screw with Washer
Sealant
Back Up
Channel
Back Up
Channel
Purlin
Mueller Snap Lock
Lower Panel
Mueller
Snap Lock
Upper Panel
#12 x 1 1/4" Self Drill
Tek Screw with Washer
Sealant
2" Minimum Clearance
Installation Steps:
1. Install lower panel as detailed in the installation instructions.
2. Attach the backup channel underneath the panel with clamps, align the center of the channel 4 ½” down
from the top end of the lower panel. The channel must be 2” min. from the nearest purlin as shown.
3. Install butyl tape sealer on the lower panel, centered over the backup channel 4 ½” from the upper end of
the panel. Start at the outside bottom of the female rib, extending up and over the rib, down to the pan of
the panel, across the width of the panel, and up and over the male rib as pictured.
4. Install the upper panel by snapping it over the lower panel. Fasten using five self drill screws in the fastener
sequence shown above.
ENDLAP