Fixed ridge, Ridge screw sequence – Mueller Snap Lock (MSL) User Manual
Page 21

21
FIXED RIDGE
Installation Steps: (use only with floating eave and valley)
Note: On this application the ridge purlins must be set by manufacturing to accommodate the standard ridge
trim or the ridge trim must be custom made wider to fit the standard ridge purlin spacing.
1. Install the butyl tape sealer across the flat of the panel, aligned over the top purlin.
2. Fasten end dam through butyl tape sealant and panel to purlin using #12 x 1 ¼ self drill screws on 4” centers.
3. Use butyl caulk to seal the ends of the end dam.
4. Apply butyl tape sealant to the top of the end dam.
5. Fasten Ridge trim to end dam using #14 x 7/8 lap screws on 6” centers.
Ridge Screw Sequence
Clip
Mueller Snap
Lock Panel
Tape
Sealant
Tape
Sealant
Tube Sealant on
Vertical Edges
Ridge Trim
End Dam
#14 x 7/8" Lap
Tek Screw
6"
6"
2"
#10 x 1" Pan Head
Self Drilling Screw