Magna-loc, Vented ridge over open framing – Metal Sales Magna-Loc Installation User Manual
Page 68

© Metal Sales Manufacturing Corporation / Subject to change without notice 6/12
MAGNA-LOC
68
VeNted rIdGe OVer OpeN FrAMING
INstALLAtION NOtes
1. Once panels have been installed, slide Back-Up Channel under the upper edge of panels. Position Back-Up Channel to
allow for proper installation of vented ridge assembly. Use C-clamps to hold Back-Up Channel in place.
2. Apply a row of Double Bead Tape Sealant across panel, up and over all ribs approximately 0"-2" from panel end on both
sides of ridge.
3. Install Magna-Loc End Dams over Tape Sealant. Before continuing make sure End Dam placement will accommodate
Vented Ridge Cover.
4. Once closure is set in Tape Sealant, fasten through End Dam, Tape Sealant, Magna-Loc panel, and into Back-Up Channel
with (5) #12-14 x 1" SD N/W per panel. C-clamps may be removed once Closures have been fastened.
5. Once all End Dams have been installed, place a row of Double Bead Tape Sealant across top of End Dams on both sides of
ridge. Tube Sealant must be used to fill any and all gaps left around End Dams.
6. Install Vent Drip, Vent Material, and Offset Cleat (in order) and fasten to top leg of End Dam with #14 Dekfasts at 1'-0"o.c.
7. Apply a row of Double Bead Tape Sealant across outer leg of Offset Cleat.
8. Install Vented Ridge Cover and secure to outer leg of Offset Cleat with Pop Rivets at 1'-0"o.c.
9. If two or more flashings are required, lap the flashing over the previously installed flashing by a minimum of 2" placing a
bead of Tube Sealant between the flashings and securing with Pop Rivets 2.5"o.c.
Double Bead Tape Sealant
Clip W/ (2)
1
/
4
"-14 x 1
1
/
2
" SD N/W
Vented Ridge Cover
Magna-Loc Panel
Vent Material
End Dam
#12-14 x 1" SD N/W (see below)
1
/
8
" x
3
/
16
" Pop Rivet (1'-0" o.c.)
#14-13 x 2" Dekfast (1'-0" o.c.)
Vent Drip
Offset Cleat
Back-up Channel
1'
CL
1"
#12-14 x 1" SD NW
1
3
2
5
4
FASTENING PATTERN
1
/
2
:12 slope
Minimum